R2VEG USER GUIDE -- DRAFT 4/15/2003

Table of Contents

Delineation

Attributing

Maintenance Requirements

Generic GeoDataBase Editing Setup

Specific Instructions to Edit R2Veg

Creating a Subset of Data to Edit

Sample Query of the R2Veg Database

Other Tables R2Veg Links To

Calculated Tables

Delineating Vegetation (R2VEG) Polygons

Overview

This chapter describes the process for mapping existing vegetation
(current as of the inventory or change date). Existing vegetation is
what currently exists on a site as compared to potential natural
vegetation (PNV) that exists when successional sequences are completed
(climax). If successional sequences are complete on a particular site,
potential and existing vegetation are the same.

Existing vegetation is mapped and attributed in R2VEG as individual
vegetation polygons. The Vegetation Unit layer is a map of existing
vegetation data in a geographic information system. Individual polygons
are generally homogeneous in dominant lifeform, species composition,
percent crown cover, size, vertical and horizontal structure, and tree
condition and occassionaly other features indicative of vegetation
change such as a major break in slope.

Objective of the Vegetation Layer

The vegetation unit layer is corporate geodatabase, which was made to
meet the following objectives:

• Existing vegetation and other ground cover is described on the
landscape.

• Basic information on existing vegetation is provided in a common
format using standard terms, definitions, and measurements. The
vegetation unit layer is consistent throughout the Rocky Mountain Region
and is compatible with Forest Service National systems.

• Guidelines, hierarchy, and structure for mapping all existing
vegetation and ground cover is provided.

• The geodatabase and associated tools can be exported to a personal
geodatabase for distribution to others.

Desired Product

The vegetation unit layer shall be developed at a 1:24,000 map scale
following minimum standards that:

1\. Delineate existing vegetation as it actually occurs on the landscape
irrespective of non-vegetative boundaries such as ownership or
administrative boundaries.

2\. Contains polygons that accurately describe the existing vegetation
resource and other ground cover current as of the date of survey.

3\. Stores both the vegetation spatial and tabular data in a
geodatabase.

4.  Delineations cover 104/14/20030% of the project area.

There are hierarchical levels of map information. The vegetation layer
is composed of basic vegetation information mapped at 1:24,000 scale.

By definition, the vegetation unit layer is dynamic. Existing vegetation
characteristics are constantly changing due to successional processes
and disturbance events. Both natural and artificial disturbance events
influence changes in vegetation. The vegetation unit layer is updated
periodically as management activities and natural processes occur and as
new information becomes available.

Steps for Developing the Vegetation Unit Layer

The following list outlines the steps to follow in developing the
vegetation unit map layer. It is not traditional to create the map
first, and then attribute as a second step, but is much more efficient
and consistent.

1.  The first step is photo delineation of polygons. Existing maps,
    aerial photographs, and local knowledge of the area are combined in
    an effort to accurately delineate polygons representing uniform
    conditions with respect to existing lifeform, dominant species,
    crown cover, size, vertical and horizontal structure, and tree
    condition. If the available photo set does not have effective area
    delineated on it, this must be done prior to delineating polygons.

2.  The polygons are transferred to a registered map base that is ready
    for scanning or transferred to registered Digital Ortho Quads using
    on screen digitizing.

3.  The maps are scanned, edited and a coverage is assembled; or in the
    case of screen digitizing, a coverage is assembled and edited.
    Additional integration with watersheds or other partitions is done
    in the GIS environment. When the final gis map is complete, all
    polygons are numbered within watersheds or other partitions using an
    automated numbering system.

4.  Once a final GIS map has been prepared and polygons have been
    identified, vegetation polygons are interpreted. Each polygon is
    attributed by one of more lines describing lifeform, species, layer,
    size, and cover percent. This information is entered into the
    corporate data base.

Quality Control

The purpose of quality control is to maintain consistent and accurate
polygon delineations that are as homogeneus as practical. These are some
steps used to insure quality in the photo delineation:

Photo interpreters are expected to be adequately trained, experienced
with photos and photo interpretation procedures, and knowledgeable of
the vegetation in the area that will be delineated.

An initial field overview shall be done as each interpreter encounters
new vegetation characteristics or areas. Interpreters visit the area to
visually recognize delineation criteria as it appears on the photo.

Photo interpreters shall work closely together and review each others
polygon delineations to calibrate to each other. Prior to completion of
each quad map, delineations are reviewed by the project leader. Areas
where interpreters disagree are redelineated or settled by consensus.

Vegetation Unit Delineation Procedures

Vegetation unit polygons depict existing vegetation covering a specified
area in a specific period of time. The polygon is generally uniform in
vegetation characteristics (delineation criteria) and is based on
physical, observable, largely quantifiable, features and attributes.
Some polygons may be void of vegetation but should still be homogeneous
in terms of rock outcrops or other physical characteristics observable
via stereoscopic interpretation. Non-vegetated polygons are identified
by their ground surface (GSC) cover type. Some examples of non-vegetated
polygons are rock slides, quarries, glaciers, and wide roads. Water
polygons are also mapped (Note that when possible water polygons are
concident with the NRIS water polygon coverage which was derived from
the CFF coverage). Where non-vegetated areas (all GSCs, including water
areas) are less than the minimum mapping size, they are considered
inclusions within the polygon and are assigned a cover percent. The
initial delineation will delineate 100% of the area within the project
boundary with polygons covered by vegetation, polygons covered by some
other ground surface characteristic or polygons covered by water. The
integration of any other lines such as watersheds or other partitions
will automated as part of the GIS work. Attributing will not start until
the final map has been prepared and numbered.

Delineation Criteria

Vegetation polygons are delineated based on identifiable changes in
vegetation characteristics as seen on project imagery, generally
1:24,000 scale natural color aerial photos. Aerial photos are
interpreted using tonal contrasts or colors, texture, and patterns.
Polygon boundaries are drawn around homogenous vegetation conditions and
obvious changes in the delineation criteria. Delineation criteria can be
subtle, but most often are readily seen on a stereo view of the photo.
Occasionally, a major break in slope or other subtle factor can indicate
a vegetation change dependant on knowledge of the area.

The vegetation characteristics always used for delineation criteria are
lifeform, species, percent crown cover, size, vertical structure and
tree condition. For a particular polygon, each criterion may be the
dominant condition, may be the only condition, or may occur more than
once. A description of the delineation criteria in the order that they
are generally used follows below.

Lifeform

This is the growth habit of the vegetation according to shape and
structure (usually Family). The lifeforms used are trees, shrubs, forbs,
and grasses. For the purposes of IRI, grasses include members of the
family Poaceae (Gramineae) and grass-like plants. Grass-like plants are
members of the Cyperaceae (sedge) and Juncaceae (rush) families that
vegetatively resemble a true grass of the Gramineae family. Within this
*Guide*, when the term grass is used, it also refers to these grass-like
plants. Vegetation of similar lifeforms are delineated as a group. For
example, an area with a mixture of treeland and shrubland would
generally be delineated into separate polygons if each group meets the
minimum polygon size criteria and the the two lifeforms were not well
integrated. Areas not covered by vegetation are delineated based on
their ground surface cover.

Species

Distinct changes in species composition require further delineation.
Species determination is optional for shrubs, grasses, and forbs; since,
species identification for these species are difficult to determine from
aerial photos. However, additional information and field calibration can
be used to determine species, especially for shrub species. Common and
abundant shrubs with a taller growth form should be identified by
species.

Crown Cover

Significant, easily observable differences in crown cover require
additional polygon delineation. Generally, this is about a 20 percent
difference. Delineations are based on groupings of similar crown cover
patterns or density patterns.

Size

Changes in vegetation size require delineating a new polygon for tree
and shrub lifeforms. The size classes for trees are established
(seedling), small, medium, large, and very large, based on diameter of
the stem at breast height. The size classes for shrubs are small,
medium, and large, based on height. The size of shrubs is often
difficult to observe from aerial photos; therefore, the size of shrubs
must be obvious to be used as a delineation factor.

Vertical Structure

This is the layering of vegetation occurring in tree and shrub
lifeforms. Where both lifeforms exist, layering is considered
separately. A layer should generally have 10 percent or more crown cover
within a horizontal component in order to be recognized. Layering is
difficult to see on aerial photographs for grass and forb lifeforms and
is not a delineator for those lifeforms.

Tree Condition

For tree stands, tree condition is a delineator for tree lifeforms and
may be an indicator of stand maturity. It consists of two classes, the
presence or absence of declining crowns or standing dead trees.
Declining crowns are those that have dead or dying, flattened, or
unusually large branched tops. In some tree species these conditions are
easily recognized, but in other they are more obscure; so this factor is
used when the condition is very obvious. To delineate a separate
polygon, 15 percent or more of the trees in the polygon must be
affected. For example, an isolated tree or two with declining crowns or
a few scattered standing dead trees does not require a new polygon to be
delineated.

Delineation Standards

The minimum standards are based on the scale of photography that is
generally used for initial project planning and Forest Planning
(1:24,000 scale). Minimum standards imply that differences within the
criteria must be broken out at least to these standards. For example, it
is not acceptable to not delineate a 5 acre tree polygon within the
center of a 30 acre grass polygon. However, sometimes it is useful to
delineate a polygon smaller than the minimum standard recognizing that
one acre or a 1 mm width is about the smallest unit that is reasonable
at 1:24000 scale. Experience has demonstrated that a properly delineated
diverse National Forest of about 2 million acres in size will be
represented by approximately 50,000 existing vegetation polygons.

The minimum standards for delineating vegetation polygons are:

1\. Polygons are generally homogeneous in lifeform, species, crown
cover, size, vertical structure, and tree condition.

2.  The minimum size for non-riparian vegetation polygons is five acres
    and at least 160 feet wide (2 mm at 1:24,000).

3.  A two acre minimum and 80 foot width (1mm at 1:24,000) is applied to
    polygons with riparian vegetation along streams or wet areas. Any
    change in delineation standards that is equal to or larger than
    these minimum sizes determines when a separate polygon is
    delineated. Vegetation unit polygons that are designated as riparian
    (eg. riparian polygons) must have riparian vegetation species that
    contribute 50% or more of the total crown cover for the polygon.

4.  A one acre minimum and 80 foot width (1mm at 1:24,000) is applied to
    water polygons. Water polygons have relatively permanent water
    cover, not marshes, and are to be delineated at the high water mark.

5.  Vegetation unit polygons can generally be located on the ground.

6.  Polygons, at a minimum, should logically close past the project
    boundary. The project boundary must be completely within the
    vegetation unit mapping area.

7.  Political boundaries are never used for delineation criteria.

### 

# Attributing Vegetation (R2VEG) Polygons

## 

## 

The R2VEG Polygon Data form and corresponding instructions specify how
to attribute R2VEG polygons either in the field or in the office. There
are two general levels of data quality (EVENT TYPE);

PI (Photo Interpretion in the Office)

FV (Field Verification)

## Field Collected Data (FV)

When collecting Field Data and using the crown method, crown cover
percent should add up to 100% for the polygon. The intent of the polygon
survey is to not collect the same level of detail as you would with a
point survey such as a range cover/frequency or ocular plot, but to
describe the general "makeup" of the polygon. This means to code all of
the tree species and the major shrub species. The dominant grass or forb
species depending on the need and the standard set for the Forest. Any
species used to identify cover type or habitat type should also be
coded. For "CROWN" cover methods 100% of the cover must be accounted for
with "FV" surveys but not all of the cover for shrubs, grass and forbs
has to be identified by species.

## Photo Interpreted Data (PI)

When collecting data from photo interpretation in the office, only the
total crown cover of the what you can see needs to be accounted for. The
"CROWN" cover method is always used for photo surveys and what you can
see may not add up to 100%. However, it must never exceed 100%. For
example, if the life form is trees then the total crown of trees needs
to be accounted for. If it is not such important calculated items as
wildlife habitat structural stage will be in error. With Photo
Interpretation, it is ok to assign the dominant species to that total
lifeform crown cover if that is all you can see. What you can see
generally amounts to enough to "throw" the polygon into the correct
cover type, size class, and density class.

When doing photo interpretation and using R2Veg you can only record what
can be seen on the photo. For example, you cannot see under the top
layer of trees unless the trees are sparse in the top layer. You may be
able to make a good guess of what is under the top layer based on local
knowledge and that is ok.

### The IRI-CVU experience has been for people to estimate more cover data than what can be reasonably estimated using PI. What you can enter using photo interpretation is limited to what you can see on the photo. The flexibility is there because when in the field you can get a more complete description of the polygon. 

Filling out the R2Veg species form is not difficult. Most people are
used to photo interpreting cover type, size class and density and it
does not have to be any harder than that. The following is a guide for
interpreting these same items using the R2Veg species form. This guide
is an example of entering the information in its most simplistic form.
If you can realistically see more on the photo, then what you can see
should be entered.

## Sample Guide to Photo Interpretation Shortcuts

Data to Enter for R2Veg Species Table

+-----+------------------------------+-----+-----+------+-----+-----+
| *   | #### Description             | *   | **L | **S  | **  | *   |
| *Sa |                              | *LF | AYE | PECI | SIZ | *CO |
| mpl |                              | _GS | R** | ES** | E** | VER |
| e** |                              | C** |     |      |     | %** |
|     |                              |     |     |      | **C |     |
| **  |                              |     |     |      | LAS |     |
| Pol |                              |     |     |      | S** |     |
| y** |                              |     |     |      |     |     |
+-----+------------------------------+-----+-----+------+-----+-----+
| 1   | Ponderosa Pine, Large, 60%   | T   | 1   | P    | L   | 60  |
|     | crown cover                  |     |     | IPOS |     |     |
+-----+------------------------------+-----+-----+------+-----+-----+
| 2   | Aspen, Mediun, 75% crown     | T   | 1   | P    | M   | 75  |
|     | cover                        |     |     | OTR5 |     |     |
+-----+------------------------------+-----+-----+------+-----+-----+
|     |                              |     |     |      |     |     |
+-----+------------------------------+-----+-----+------+-----+-----+
| 3   | Ponderosa, very large and    | T   | 1   | P    | V   | 40  |
|     | open 40% crown with          |     |     | IPOS |     |     |
|     | regeneration of seed saps    | T   | 2   |      | S   | 20  |
|     | 20% crown                    |     |     | P    |     |     |
|     |                              |     |     | IPOS |     |     |
+-----+------------------------------+-----+-----+------+-----+-----+
| 4   | Ponderosa pine, very large   | T   | 1   | P    | V   | 50  |
|     | 50% with patches of oak (not |     |     | IPOS |     |     |
|     | sure on size) amounting to   | S   | 1   |      | M   | 30  |
|     | 30% cover                    |     |     | QUGA |     |     |
+-----+------------------------------+-----+-----+------+-----+-----+
| 5   | Spruce/fir, very large       | T   | 1   | PIEN | V   | 80  |
|     | dominated by spruce, 80%     |     |     |      |     |     |
|     | cover                        |     |     |      |     |     |
+-----+------------------------------+-----+-----+------+-----+-----+
| 6   | Spruce/fir, large dominated  | T   | 1   | ABLA | L   | 70  |
|     | by fir, 70% tree cover. I.E. |     |     |      |     |     |
|     | since photo interp, labeled  |     |     |      |     |     |
|     | all of the tree cover by the |     |     |      |     |     |
|     | dominant species. This is OK |     |     |      |     |     |
|     | since all we can really see  |     |     |      |     |     |
|     | is cover type and either     |     |     |      |     |     |
|     | ABLA or PIEN will calculate  |     |     |      |     |     |
|     | to a Spruce/fir cover type.  |     |     |      |     |     |
+-----+------------------------------+-----+-----+------+-----+-----+
| 7   | Grass/Forb meadow, 90%. Note | F   |     |      |     | 90  |
|     | the assumption used is that  |     |     |      |     |     |
|     | most of our grass/forb       |     |     |      |     |     |
|     | stands are dominated by      |     |     |      |     |     |
|     | Forb. We cannot see the      |     |     |      |     |     |
|     | other 10% so only account    |     |     |      |     |     |
|     | for 90% of the cover.        |     |     |      |     |     |
+-----+------------------------------+-----+-----+------+-----+-----+
| 8   | Bare ground 100%             | B   |     |      |     | 100 |
+-----+------------------------------+-----+-----+------+-----+-----+
| 9   | Large Spruce/fir dominated   | T   | 1   | PIEN | L   | 60  |
|     | by spruce but with patches   |     |     |      |     |     |
|     | of Medium Aspen. Total tree  | T   | 1   | P    | M   | 20  |
|     | cover is 80%, aspen patches  |     |     | OTR5 |     |     |
|     | amount to 20%. Note the      |     |     |      |     |     |
|     | flexibility in this example  |     |     |      |     |     |
|     | . . . we do not have a cover |     |     |      |     |     |
|     | type code for Spruce with    |     |     |      |     |     |
|     | Aspen, but if you can see    |     |     |      |     |     |
|     | it, you can describe it with |     |     |      |     |     |
|     | very little extra effort.    |     |     |      |     |     |
+-----+------------------------------+-----+-----+------+-----+-----+
| 10  | A pond                       | W   |     |      |     | 100 |
+-----+------------------------------+-----+-----+------+-----+-----+
| 11  | Gambel Oak, think its medium | S   | 1   | QUGA | M   | 60  |
|     | or average size with 60%     |     |     |      |     |     |
|     | cover.                       |     |     |      |     |     |
+-----+------------------------------+-----+-----+------+-----+-----+
| 12  | A cut over ponderosa stand   | F   |     |      |     | 90  |
|     | that is now 90% grass/forb   |     |     |      |     |     |
|     | Note that in RMRIS this      |     |     |      |     |     |
|     | would be coded as ponderosa  |     |     |      |     |     |
|     | pine, nonstocked. To reflect |     |     |      |     |     |
|     | the nonstocked condition     |     |     |      |     |     |
|     | code previously trees as Y   |     |     |      |     |     |
|     | for yes in the polygon       |     |     |      |     |     |
|     | table.                       |     |     |      |     |     |
+-----+------------------------------+-----+-----+------+-----+-----+

## R2VEG GeoDataBase Data Sheet

*Only two R2Veg tables (R2Veg_poly and R2Veg_species) are populated by
the user. Optionally, R2Veg_local may be entered by the user. The
remaining tables are calculated by the R2Veg system*.

It the data has been verified based on field collected data, then it
should be flagged as a FV. If not, then it should be coded PI. The
method used for field verification may vary, but the distinction is an
important break for determining the accuracy of the data.

The polygon data sheet is used to evaluate the polygon cover by species
and other attributes. The individual polygons are attributed as
continuous or patchy. Each polygon is attributed by lifeform, species,
size, layer, and cover percent. The method for determining the cover
percent is documented in the cover method field. For example a pine/oak
stand might have the following composition using the "CROWN" cover
method:

**Species Attributes**

+----------------+-----------+------------------+--------+-----------+
| >              | > **\     | > **\            | ###    | > **%     |
|  **Lifeform/** | > Layer** | > Species**      | # Size | > Cover** |
| >              |           |                  |        |           |
| > **GSC**      |           |                  |        |           |
+----------------+-----------+------------------+--------+-----------+
| > T            | > 1       | > PIPO           | > L    | > 70      |
+----------------+-----------+------------------+--------+-----------+
| > T            | > 2       | > PIPO           | > E    | > 5       |
+----------------+-----------+------------------+--------+-----------+
| > S            | > 1       | > QUGA           | > S    | > 18      |
+----------------+-----------+------------------+--------+-----------+
| > G            |           |                  |        | > 5       |
+----------------+-----------+------------------+--------+-----------+
| > RS           |           |                  |        | > 2       |
+----------------+-----------+------------------+--------+-----------+

The horizontal diversity of the polygon must be determined as a measure
of patchy or continuous. A patch is generally a significant homogeneous
component at least 1/4 of an acre in individual size. Twenty percent or
more of this polygon is not in patches, so it is considered "continuous"
(code C).

When collectiong the R2VEG data in the field, the procedure for
completing the form is consistent with the office photo interpretation
procedure with the exception that you have more information when on the
ground. Once the composition of the vegetation has been observed in the
field this form is filled out by using a field stereoscope and photo
interpreting the polygon with field notes in hand. When using the
"CROWN" method, the total crown cover percent must add to 100. Record
the following information for each polygon:

+------------------------+---------------------------------------------+
| > **Field Name**       | > **Description and Action to be Taken**    |
+------------------------+---------------------------------------------+
| > **POLYGON            |                                             |
| > IDENTIFICATION**     |                                             |
+------------------------+---------------------------------------------+
| > Veg_link             | > This is the unique ID for each polygon.   |
|                        | > When entering data with the Visual Basic  |
|                        | > form, the user will not have to code      |
|                        | > this. When editing using the table        |
|                        | > editor, the user will have to code this.  |
|                        | > This field needs to be exactly 22 digits  |
|                        | > long with the partition number or name    |
|                        | > left justified and spaces between the     |
|                        | > polygon id which is right justified. This |
|                        | > is difficult to type in correctly so best |
|                        | > to use the visual basic form when editing |
|                        | > R2Veg data.                               |
+------------------------+---------------------------------------------+
| > Partition Type       | > Valid Codes for Partition Type are:       |
|                        | >                                           |
|                        | > **WATERSHED**, ALLOTMENT, LOCATION,       |
|                        | > COMPARTMENT,                              |
|                        | >                                           |
|                        | > DISTRICT, FOREST, and GRASSLAND. When     |
|                        | > using the table editor must only be       |
|                        | > filled in on the r2veg_poly table. This   |
|                        | > will be filled in on the other tables by  |
|                        | > calculation.                              |
+------------------------+---------------------------------------------+
| > Partition Number or  | > Record the appropriate R2VEG watershed    |
| > Name                 | > alias or other partition identification   |
|                        | > (16 characters maximum). When using the   |
|                        | > table editor must only be filled in on    |
|                        | > the r2veg_poly table. This will be filled |
|                        | > in on the other tables by calculation.    |
+------------------------+---------------------------------------------+
| > Poly_ID              | > Record the unique up to six-digit         |
|                        | > sequential number of the polygon within   |
|                        | > the watershed. Please recognize that      |
|                        | > currently only a 4 digit number will work |
|                        | > with FSVEG_LINK. When using the table     |
|                        | > editor must only be filled in on the      |
|                        | > r2veg_poly table. This will be filled in  |
|                        | > on the other tables by calculation.       |
+------------------------+---------------------------------------------+
| > **DATA RECORDER**    |                                             |
+------------------------+---------------------------------------------+
| > Recorder             | > A simple unique name. Use the pull down   |
|                        | > menu to select the proper name such as    |
|                        | > "Sally Zwisler".                          |
+------------------------+---------------------------------------------+
| > Entered_by,          | > However, if using the table editor, these |
| > Entered_date,        | > items must be entered once and only in    |
| > Modified_By, and     | > the R2Veg_poly table. These will be       |
| > Modified_date are    | > calculated (by the veg coordinator) for   |
| > all calculated items | > the other tables. Entered_by uses the     |
| > using system names   | > same domain ad recorder.                  |
| > and dates when using |                                             |
| > the visual basic     |                                             |
| > form.                |                                             |
+------------------------+---------------------------------------------+
| > **SAMPLE FOR         |                                             |
| > POLYGON**            |                                             |
+------------------------+---------------------------------------------+
| > Event Type           | > PI -- Data collected primarily using      |
|                        | > photos                                    |
|                        | >                                           |
|                        | > FV -- Data based on field ancillary data  |
|                        | > or field visit                            |
+------------------------+---------------------------------------------+
| > Sample Date          | > Record the month,day, and year of the     |
|                        | > attribute data collection in the format   |
|                        | > MM/DD/YYYY. For example, October 9,1996   |
|                        | > is recorded as \"10/09/1996\". This is    |
|                        | > recorded in the sample date field in IDS. |
+------------------------+---------------------------------------------+
| > Delineation Source   | > Record the main source that was used to   |
|                        | > delineate the polygon. This will          |
|                        | > generally be \"PH\" for photograph.       |
+------------------------+---------------------------------------------+
| > Attribute Source     | > Record the main source that was used to   |
|                        | > attribute the polygon.                    |
+------------------------+---------------------------------------------+
| > Cover Method Tree    | > Record the appropriate cover method:      |
| > (method_t)           | >                                           |
| >                      | > CROWN = Crown Cover Percent, CANOPY =     |
| > Cover Method Shrub   | > Canopy Cover PC                           |
| > (method_s)           | >                                           |
| >                      | > COMP = Percent Composition, FREQ =        |
| > Cover Method         | > Frequency Method. Only Crown and Canopy   |
| > Grass/Forb           | > are valid for Cover Method Tree.          |
| > (method_g_f). All    |                                             |
| > must be filled.      |                                             |
+------------------------+---------------------------------------------+
| > **PHOTO COVERAGE     |                                             |
| > ID**                 |                                             |
+------------------------+---------------------------------------------+
| > Photo Project        | > Record the symbol or code for the         |
| > (Required)           | > mission, flight, or project when the      |
|                        | > photos were taken. This will be           |
|                        | > consistent for the entire photo flight.   |
+------------------------+---------------------------------------------+
| > Photo Roll           | > Enter the number that identifies the      |
| > (Optional)           | > roll.                                     |
+------------------------+---------------------------------------------+
| > Photo Frame          | > Enter the number that identifies the      |
| > (Optional)           | > exposure or print of the photo with the   |
|                        | > majority of the polygon delineation on    |
|                        | > it.                                       |
+------------------------+---------------------------------------------+
| > Photo Date           | > Record the Date that the photo was taken. |
| > (Optional)           | > Sample format = 04/14/2003                |
+------------------------+---------------------------------------------+
| > **POLYGON            |                                             |
| > ATTRIBUTES**         |                                             |
+------------------------+---------------------------------------------+
| > Horizontal Diversity | > Record a "P" if 20% or more of the        |
|                        | > polygon area is in patches. Otherwise     |
|                        | > record a "C". Refer to the diagrams below |
|                        | > for examples.                             |
+------------------------+---------------------------------------------+
| > Tree Condition       | > Record a tree crown condition for the     |
|                        | > polygon:                                  |
|                        | >                                           |
|                        | > P -- Signs of declining crowns or         |
|                        | > scattered dead trees present. At least 15 |
|                        | > percent of the polygon area has declining |
|                        | > live trees with dead tops, broken tops,   |
|                        | > or flat crowns.                           |
|                        | >                                           |
|                        | > A -- Signs of declining crowns are        |
|                        | > absent.                                   |
|                        | >                                           |
|                        | > S -- Significanty amount of dead trees    |
|                        | > present (over 50%)                        |
|                        | >                                           |
|                        | > D -- Dead present in 15- 50% of trees     |
+------------------------+---------------------------------------------+
| > FSVeg Link           | > 12 character full field linking to FSVeg  |
| > (Optional)           | > Data where it exists                      |
+------------------------+---------------------------------------------+
| > Terra Link           | > The link to a classification or a point   |
| > (Optional)           | > sample id or cn in Terra is recoreded     |
|                        | > later as an office proceedure.            |
+------------------------+---------------------------------------------+
| > Formerly_Range       | > Y (or Null) Rangeland/shrubland polygons  |
|                        | > that are currently dominated by trees, or |
|                        | > are undergoing shrub or softwood          |
|                        | > conversion, or should be included in the  |
|                        | > capable or suitable rangeland base.       |
+------------------------+---------------------------------------------+

+------------------------+---------------------------------------------+
| > Formerly_Trees       | > Y (or Null) If the polygon does not       |
|                        | > currently have a total of 25% crown cover |
|                        | > of trees, but was previously tree cover   |
|                        | > but is currently not stocked due to a     |
|                        | > recent harvest or burns, enter "Y" for    |
|                        | > yes. Otherwise leave blank. These         |
|                        | > polygons are included in the capable      |
|                        | > timber base.                              |
+------------------------+---------------------------------------------+
| > Field Habitat        | > Record the habitat structural stage as    |
| > Structural Stage     | > observed in the Field                     |
|                        | >                                           |
|                        | > 1T Grass-Forb, Previously Trees           |
|                        | >                                           |
|                        | > 1M Grass-Forb, Not Previously Trees       |
|                        | > (Natural Meadow)                          |
|                        | >                                           |
|                        | > 2T Shrub-Seedling, Previously Trees       |
|                        | >                                           |
|                        | > 2S Shrub-Seedling, Not Previously Trees   |
|                        | >                                           |
|                        | > 3A Sapling-Pole, Crown cover percent \<   |
|                        | > 40                                        |
|                        | >                                           |
|                        | > 3B Sapling-Pole, Crown cover percent \>=  |
|                        | > 40 and \< 70                              |
|                        | >                                           |
|                        | > 3C Sapling-Pole, Crown cover percent \>=  |
|                        | > 70                                        |
|                        | >                                           |
|                        | > 4A Mature and Over Mature, Crown cover    |
|                        | > percent \< 40                             |
|                        | >                                           |
|                        | > 4B Mature and Over Mature, Crown cover    |
|                        | > percent \>= 40 and \< 70                  |
|                        | >                                           |
|                        | > 4C Mature and Over Mature, Crown cover    |
|                        | > percent \>= 70                            |
|                        | >                                           |
|                        | > 5 Old Growth, Forest Criteria and         |
|                        | > Documentation usually determined by a     |
|                        | > scoring system                            |
+------------------------+---------------------------------------------+

**Recording Delineation Source**

Use one of the following codes to indicate the primary source of the
polygon delineation.

+------------+---------------------------------------------------------+
| > **CODE** | > **DESCRIPTION**                                       |
+------------+---------------------------------------------------------+
| > AM       | > Activity map                                          |
+------------+---------------------------------------------------------+
| > CF       | > Cartographic Features File (CFF)                      |
+------------+---------------------------------------------------------+
| > ED       | > Ecodata                                               |
+------------+---------------------------------------------------------+
| > FM       | > Fire map                                              |
+------------+---------------------------------------------------------+
| > LC       | > Landsat image, classified                             |
+------------+---------------------------------------------------------+
| > LU       | > Landsat image, unclassified                           |
+------------+---------------------------------------------------------+
| > OS       | > Other source                                          |
+------------+---------------------------------------------------------+
| > PH       | > Aerial photograph                                     |
+------------+---------------------------------------------------------+
| > RM       | > Range analysis map                                    |
+------------+---------------------------------------------------------+
| > RS       | > RIS map                                               |
+------------+---------------------------------------------------------+
| > SC       | > SPOT or other digital image, classified               |
+------------+---------------------------------------------------------+
| > SE       | > Stand exam point layer                                |
+------------+---------------------------------------------------------+
| > SM       | > Sale area map (timber/other wood products)            |
+------------+---------------------------------------------------------+
| > SU       | > SPOT or other digital image, unclassified             |
+------------+---------------------------------------------------------+
| > WM       | > Wetland/riparian map                                  |
+------------+---------------------------------------------------------+

If there are identified riparian polygons within the R2VEG coverage be
sure to code this WM.

**Recording Attribute Source**

Use one of the following codes to indicate the primary source of the
polygon attributes. If the data was based on field information the code
should be in sync with the code for event type. For example, a code here
of TD would indicate that the event type should have been FV. The
percentage of FV compared to PI should give us an indication of how
accurate the R2VEG data is.

+------------+---------------------------------------------------------+
| > **Code** | > **Description**                                       |
+------------+---------------------------------------------------------+
| > AM       | > Attributed from Activity map                          |
+------------+---------------------------------------------------------+
| > CF       | > Attributed from Cartographic Features Files           |
+------------+---------------------------------------------------------+
| > ED       | > Attributed from Ecodata plot data                     |
+------------+---------------------------------------------------------+
| > FM       | > Attributed from Fire map                              |
+------------+---------------------------------------------------------+
| > FV       | > Attributed from field verification                    |
+------------+---------------------------------------------------------+
| > LC       | > Attributed from Landsat, classified                   |
+------------+---------------------------------------------------------+
| > LU       | > Attributed from Landsat, unclassified                 |
+------------+---------------------------------------------------------+
| > OC       | > Attributed from ocular estimate                       |
+------------+---------------------------------------------------------+
| > OS       | > Attributed from other source                          |
+------------+---------------------------------------------------------+
| > PI       | > Attributed from aerial photo                          |
+------------+---------------------------------------------------------+
| > RD       | > Attributed from range data                            |
+------------+---------------------------------------------------------+
| > RM       | > Attributed from range map cover types                 |
+------------+---------------------------------------------------------+
| > RS       | > Attributed from RMRIS photo interpreted cover types   |
+------------+---------------------------------------------------------+
| > SC       | > Attributed from SPOT or other digital image,          |
|            | > classified                                            |
+------------+---------------------------------------------------------+
| > SM       | > Attributed from sale area map                         |
+------------+---------------------------------------------------------+
| > SU       | > Attributed from SPOT or other digital image,          |
|            | > unclassified                                          |
+------------+---------------------------------------------------------+
| > TD       | > Attributed from timber stand exam and regeneration    |
|            | > exams                                                 |
+------------+---------------------------------------------------------+
| > WD       | > Attributed from riparian data                         |
+------------+---------------------------------------------------------+
| > WM       | > Attributed from wetland/riparian data                 |
+------------+---------------------------------------------------------+

**Recording Horizontal Diversity**

Vegetation information is attributed to a site based on a delineated
polygon which is homogeneous as possible given the size constraints of
1:24000 resource photography. Some polygons represent natural mosiacs
consisting of patchy polygons. If the patches make up at least 20
percent of the polygon, then the polygon is considered to be patchy and
not continuous.

**Continuous**

The continuous polygon has vegetation or other cover that is uniformly
or consistently distributed throughout. An example of a continuous (C)
polygon composed of two tree species, such as spruce and fir as shown in
the figure on the left below. Both species are evenly distributed
throughout the stand.

The figure on the left below shows a polygon with spruce-fir
continuously distributed throughout the stand.

**Patchy**

A patchy polygon has vegetation that is discontinuous throughout the
stand, occurring in clumps that may or may not vary in size. An example
of a patchy (P) polygon is shown below. The stand is dominated by one
species, lodgepole pine, but contains patches of aspen. For the polygon
to be coded as patchy, at least 20 percent of the area must be in
patches. Patchiness may sometimes be linear such as a powerline too
small to delineate that goes across the polygon.

The figure on the right below shows a polygon with lodgepole pine
continuously distributed throughout the stand and containing patches of
aspen.

![](media/image1.wmf){width="2.7604166666666665in"
height="1.8347222222222221in"}![](media/image2.wmf){width="2.748611111111111in"
height="1.85in"}

*CONTINUOUS PATCHY*

## Recording Species Attribute Information

Each polygon is described based on existing vegetation observed in the
field (at the time the site was visited). The following table shows the
required attributes for each polygon, based on lifeform or ground
surface cover type, as required for photo interpretation.

+----------------+----------+---------+--------+---------+------------+
| >              | > *      |         |        |         |            |
| **Attributes** | *Lifefor |         |        |         |            |
|                | m/Ground |         |        |         |            |
|                | >        |         |        |         |            |
|                |  Surface |         |        |         |            |
|                | >        |         |        |         |            |
|                |  Cover** |         |        |         |            |
+----------------+----------+---------+--------+---------+------------+
|                | > Tree   | > Shrub | >      | > Forb  | > Ground   |
|                |          |         |  Grass |         | > Surface  |
+----------------+----------+---------+--------+---------+------------+
| > Lifeform/GSC | > r      | > r     | > r    | > r     | > r        |
+----------------+----------+---------+--------+---------+------------+
| > Layer        | > r      | > r     |        |         |            |
+----------------+----------+---------+--------+---------+------------+
| > Species      | > r      | > r     | > o    | > o     |            |
+----------------+----------+---------+--------+---------+------------+
| > Cover %      | > r      | > r     | > r    | > r     | > r        |
+----------------+----------+---------+--------+---------+------------+
| > Size         | > r      | > r     |        |         |            |
+----------------+----------+---------+--------+---------+------------+

r = required field o = optional field

**Lifeform Subtype**. This item is calculated -- do not enter when using
the table editor. You will not see it when using the visual basic form.

**Lifeform/Ground Surface Cover.** You can record more than one lifeform
for each polygon. At a minimum, record the dominant lifeform or ground
surface cover, using one of the codes listed in the following Table in
the lifeform/GSC field. Use those lifeform codes for vegetation
lifeforms and nonvegetated ground surface cover types. For nonvegetated
ground surface types, record the ground surface cover to the level that
can be accurately interpreted. Codes listed under Barren are specific
barren types.

+-------------------+--------------------------------------------------+
| > **Lifeform/GSC  | > **Description**                                |
| > Codes**         |                                                  |
+-------------------+--------------------------------------------------+
| > T               | > Trees are woody plants possessing at maturity  |
|                   | > a well-developed stem, are generally at least  |
|                   | > 3 inches in diameter at DBH or DRC, a definite |
|                   | > formed crown of foliage, and generally a       |
|                   | > height of at least 16 feet. Examples are       |
|                   | > lodgepole pine and aspen.                      |
+-------------------+--------------------------------------------------+
| > S               | > Shrubs are plants with persistent woody stems, |
|                   | > a relatively low growth habit, and generally   |
|                   | > produce several basal shoots instead of a      |
|                   | > single well developed stem. Shrubs also differ |
|                   | > from trees by their low stature and            |
|                   | > nonarborescent form, and are usually less than |
|                   | > 16 feet tall at maturity. Examples are big     |
|                   | > sagebrush and Gamble oak.                      |
+-------------------+--------------------------------------------------+
| > G               | > A member of the family Poaceae (Gramineae).    |
|                   | > For the purposes of IRI, this code also refers |
|                   | > to grass-like plants, such as sedge or rush.   |
+-------------------+--------------------------------------------------+
| > F               | > Any herbaceous plant other than those in the   |
|                   | > Poaceae (grass), Cyperaceae (sedge), and       |
|                   | > Juncaceae (rush) families.                     |
+-------------------+--------------------------------------------------+
| > W               | > Water                                          |
+-------------------+--------------------------------------------------+
| > B               | > Barren areas with unknown composition, lacks   |
|                   | > vegetation                                     |
+-------------------+--------------------------------------------------+
| > BS              | > Bare soil                                      |
+-------------------+--------------------------------------------------+
| > RS              | > Rock and soil, soil with significant surface   |
|                   | > rock(not distinguishable from one another on   |
|                   | > photo)                                         |
+-------------------+--------------------------------------------------+
| > RO              | > Rock, all sizes                                |
+-------------------+--------------------------------------------------+
| > LD              | > Litter/duff                                    |
+-------------------+--------------------------------------------------+
| > WO              | > Wood                                           |
+-------------------+--------------------------------------------------+
| > IC              | > Permanent ice/snow                             |
+-------------------+--------------------------------------------------+

**Layer.** Determine the number of canopy layers present within the
lifeform (eg. layers within all trees and/or layers within all shrubs);
then record the layer number that the line entry of trees or shrubs
falls in. Use codes in the table below. Tree and shrub lifeforms must
have a minimum of one layer and not more than three layers. A layer must
contain at least 10 percent of the crown cover within the component.
(eg, If three layers are visible and the trees in the middle layer do
not equal 10 percent crown cover, the middle height trees should be
placed in the layer that is closest to its height.) If there is less
than 10 percent crown cover for a tree species and no other layers of
that same species, record information for that layer.

+---------------------+------------------------------------------------+
| > **Code**          | > **Layer**                                    |
+---------------------+------------------------------------------------+
| > 0                 | > Unknown (SHRUBS ONLY)                        |
+---------------------+------------------------------------------------+
| > 1                 | > Top layer                                    |
+---------------------+------------------------------------------------+
| > 2                 | > Middle layer                                 |
+---------------------+------------------------------------------------+
| > 3                 | > Bottom layer                                 |
+---------------------+------------------------------------------------+

**Species**. Record the NRCS plant species code for each species. Use
codes in NRIS-TERRA or NRIS-FSVEG.

Record all shrub species with unobscured crown cover (this refers to
shrubs which occur in openings and would be visible from an aerial
photo, not understory species). All species must be accurately
identified on the data sheet. If species is unknown, identify to genus.
Grass and forb *species* are not required to be listed. The field
observer should include all grasses which occur into one data entry
coded by lifeform (*G*) and all forbs into a separate line entry coded
by lifeform (*F*). Cover percent must add up to 100 percent for the
polygon when the cover method is specified to be "CROWN".

**Cover Percent.** Record a cover percent for each line based on the
cover method used.

**Size.** Record the sizes of tree and shrub lifeforms, using either the
tree or shrub lifeform size classes in the Table below. The diameters
associated with each size class are interpreted from the height and
crown structure, unless measured in the field. Shrub size classes are
based on actual heights. Do not include seedlings unless they are the
dominant vegetation or make up a significant portion of the crown cover.
The diameter of woodland tree species, including pinyon pine and juniper
is estimated at root collar. Size class U (unknown) for shrubs should
not be used for new surveys.

+---+------------+---+--------------------------------------------+---+
| > |            | > |                                            |   |
|   |            |   |                                            |   |
| * |            | * |                                            |   |
| * |            | * |                                            |   |
| T |            | D |                                            |   |
| r |            | e |                                            |   |
| e |            | s |                                            |   |
| e |            | c |                                            |   |
| > |            | r |                                            |   |
|   |            | i |                                            |   |
| S |            | p |                                            |   |
| i |            | t |                                            |   |
| z |            | i |                                            |   |
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|   |            | * |                                            |   |
| C |            | * |                                            |   |
| l |            |   |                                            |   |
| a |            |   |                                            |   |
| s |            |   |                                            |   |
| s |            |   |                                            |   |
| * |            |   |                                            |   |
| * |            |   |                                            |   |
+---+------------+---+--------------------------------------------+---+
| > |            | > |                                            |   |
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+---+------------+---+--------------------------------------------+---+
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+---+------------+---+--------------------------------------------+---+
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+---+------------+---+--------------------------------------------+---+
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|   |            | a |                                            |   |
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|   |            | u |                                            |   |
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|   |            | d |                                            |   |
|   |            | > |                                            |   |
|   |            |   |                                            |   |
|   |            | a |                                            |   |
|   |            | t |                                            |   |
|   |            | > |                                            |   |
|   |            |   |                                            |   |
|   |            | t |                                            |   |
|   |            | h |                                            |   |
|   |            | e |                                            |   |
|   |            | > |                                            |   |
|   |            |   |                                            |   |
|   |            | r |                                            |   |
|   |            | o |                                            |   |
|   |            | o |                                            |   |
|   |            | t |                                            |   |
|   |            | > |                                            |   |
|   |            |   |                                            |   |
|   |            | c |                                            |   |
|   |            | o |                                            |   |
|   |            | l |                                            |   |
|   |            | l |                                            |   |
|   |            | a |                                            |   |
|   |            | r |                                            |   |
|   |            | . |                                            |   |
+---+------------+---+--------------------------------------------+---+
|   | > **Shrub  |   | > **Description**                          |   |
|   | > Size     |   |                                            |   |
|   | > Class**  |   |                                            |   |
+---+------------+---+--------------------------------------------+---+
|   | > S        |   | > Small. Shrubs are less than 2.5 feet     |   |
|   |            |   | > tall.                                    |   |
+---+------------+---+--------------------------------------------+---+
|   | > M        |   | > Medium. Shrubs are 2.5-6.4 feet tall.    |   |
+---+------------+---+--------------------------------------------+---+
|   | > L        |   | > Large. Shrubs are greater then 6.4 feet  |   |
|   |            |   | > tall.                                    |   |
+---+------------+---+--------------------------------------------+---+

R2VEG Polygon Data Sheet

Polygon Identification Sample Information

<table>
<colgroup>
<col style="width: 11%" />
<col style="width: 13%" />
<col style="width: 7%" />
<col style="width: 8%" />
<col style="width: 12%" />
<col style="width: 9%" />
<col style="width: 9%" />
<col style="width: 8%" />
<col style="width: 9%" />
<col style="width: 9%" />
</colgroup>
<tbody>
<tr class="odd">
<td><blockquote>
<p><strong>Partition</strong></p>
<p><strong>Type</strong></p>
</blockquote></td>
<td><blockquote>
<p><strong>Partition</strong></p>
<p><strong>(Watershed)</strong></p>
</blockquote></td>
<td><blockquote>
<p><strong>Poly</strong></p>
<p><strong>#</strong></p>
</blockquote></td>
<td><blockquote>
<p><strong>Event</strong></p>
<p><strong>Type</strong></p>
</blockquote></td>
<td><blockquote>
<p><strong>Survey Date</strong></p>
<p><strong>mm/dd/yyyy</strong></p>
</blockquote></td>
<td><blockquote>
<p><strong>Delin.</strong></p>
<p><strong>Source</strong></p>
</blockquote></td>
<td><blockquote>
<p><strong>Attrib.</strong></p>
<p><strong>Source</strong></p>
</blockquote></td>
<td><blockquote>
<p><strong>Tree</strong></p>
<p><strong>Cover</strong></p>
<p><strong>Meth</strong></p>
</blockquote></td>
<td><blockquote>
<p><strong>Shrub</strong></p>
<p><strong>Cover</strong></p>
<p><strong>Meth</strong></p>
</blockquote></td>
<td><blockquote>
<p><strong>G/F</strong></p>
<p><strong>Cover</strong></p>
<p><strong>Meth</strong></p>
</blockquote></td>
</tr>
<tr class="even">
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
</table>

**Data Recorder Photo ID**

+------------------------+----------+-----------+----------+----------+
| > **Name**             | > *      | > **Photo | > *      | > *      |
|                        | *Photo** | > Roll**  | *Photo** | *Photo** |
|                        | >        |           | >        | >        |
|                        | > **P    |           | > *      | >        |
|                        | roject** |           | *Frame** | **Year** |
+------------------------+----------+-----------+----------+----------+
|                        |          |           |          |          |
+------------------------+----------+-----------+----------+----------+

**Polygon Attributes and Links**

+-----+-----+--------+---------+-------------+------------+--------+
| >   | >   | >      | >       | > **Fsveg   | > **Terra  | > *    |
| **H |  ** | **Form |  **Form | > Link**    | > Link**   | *Hab** |
| ori | Tre | erly** | erely** |             |            | >      |
| z** | e** | >      | >       |             |            | > **S  |
| >   | >   | > **R  | > **    |             |            | tage** |
| > * | >   | ange** | Trees** |             |            |        |
| *Di |  ** |        |         |             |            |        |
| v** | Con |        |         |             |            |        |
|     | d** |        |         |             |            |        |
+-----+-----+--------+---------+-------------+------------+--------+
|     |     |        |         |             |            |        |
+-----+-----+--------+---------+-------------+------------+--------+

**Cover Attributes**

+----------------+-----------+------------------+---------+------------+
| >              | > **\     | > **\            | ##      | ##         |
|  **Lifeform/** | > Layer** | > Species**      | ## Size | ## Percent |
| >              |           |                  |         |            |
| > **GSC**      |           |                  | ##      | #### Cover |
|                |           |                  | # Class |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+
|                |           |                  |         |            |
+----------------+-----------+------------------+---------+------------+

Draft R2VEG Form 11/12/2002

Maintenance Requirements

**[Policy]{.underline}**

*The Forest R2Veg GeoDataBase shall be maintained regularly and
consistently so that it reflects the most recent sample of existing
vegetation type and condition available. It is the responsibility of
users of vegetation data to participate in updating the database and/or
coverage when they become aware of either actual changes on the ground
or errors in the data. At a minimum, field personnel shall complete
R2Veg-FV forms during field vegetation surveys for input of more
accurate data. It is expected that the majority of users will
participate in the tabular and spatial maintenance processes. Since
R2Veg is a GeoDataBase, the tabular and spatial are generally edited
together and the system maintains the 1:1 correspondence.*

Forests shall establish an R2Veg maintenance team, consisting of a GIS
coordinator/team member and a R2Veg data steward or stewards who are
responsible for coverage and database maintenance, delegating the work
as necessary. Other personnel who use R2Veg information must be aware of
the process involved in layer maintenance, data collection and updating.
The Regional Office will develop and provide R2Veg maintenance training.
All R2Veg users will keep management apprised of the need and value of
timely, consistent, accurate data maintenance.

The GIS data manager on each Forest will be responsible for developing
appropriate security procedures, so that only assigned individuals will
have the ability to make changes to the ArcSde feature class. Privileges
for updating the ArcSde Oracle Database will be assigned by the Forest
GIS Coordinator or delegate.

The R2Veg inventory contains basic data and summary calculations from
the basic data. Each supplemental R2Veg data collection will also
consist of basic data and summary calculations, whether from an activity
or a field inventory. The R2Veg coverage must be updated annually as a
minimum, and may be updated more frequently if necessary for specific
projects or circumstances. Updates should reflect changes due to
vegetation treatment, natural changes, or new inventories, and may
include such items as timber harvests, fires, insect and disease
effects, blow down, etc. Updates include field verified information, and
may simply result in changes in the polygon attributing, as opposed to
polygon boundary changes.

The intent is to maintain R2Veg within the bounds of the delineating and
attributing specifications. R2Veg is intended to be current and
applicable to the Forest-wide analysis scale and project scale. Updates,
at a minimum, will be commensurate with the Forest-wide scale of
resolution. Forests shall make updates at a finer scale for individual
project resolution. Minimum acreage parameters are listed in the
delineation chapter of the R2Veg User Guide. The way that water polygons
or riparian polygons were implemented may vary somewhat across the
Region.

As a minimum, an archive copy of the R2Veg will be made:

-   when completed and released on the Forest or Grassland

-   annually.

Initially the R2Veg geodatabase may be archived to a personal
geodatabase (MDB). Eventually we will probably deal with history as a
"version" in ArcSde. The MDB will include all of the Oracle tabular and
spatial data and can be created via a drag and drop from ArcCatalog.

#### [Coincidence]{.underline}

The specifications for R2Veg require, tracking coincidence with water
polygons 2 acres and larger. This is tracked in the Delineation Source
field. Coincidence with water polygons is important since we do not
expect trees to grow in the bottom of a lake. The delineation source
field may be used to indicate other concidence that should be maintained
such as riparian.

**[Polygon Shape Updates]{.underline}**

GIS changes are designed to incorporate new polygon boundaries in the
existing polygon set. Updating the R2Veg polygon feature class means
deciding which lines to keep or replace and how to number the resulting
polygons. In most cases, it will be best to have a unique temporary
coverage to represent the polygons that will be used to update R2Veg,
unless those polygons are on another GIS coverage, such as RMACT_A. The
temporary coverage could have, for example, delineations from fires or
corrected delineations from field verification.

Close coordination between the GIS coordinator and R2Veg data steward
will be essential for synchronizing the updates in the geodatabase. The
Forest GIS coordinator will assign version names to be used for
updating. The GIS coordinator and R2Veg data steward will resolve any
conflicts when reconciling a version.

**There are certain rules that pertain to the R2Veg coverage:**

-   Maintain existing delineation and attributing source codes related
    to coincidence

-   Coincidence to the partitions used to number polygons must be
    maintained

-   Coincidence to water polygons must be maintained at the level
    initially implemented

-   There may not be duplicate poly_ids within a watershed

-   There may not be polygons numbered as "0"

-   Data is always checked/edited whenever a polygon shape is altered or
    a new polygon is created

Refer to the R2Veg geodatabase chapter for details on editing your data.
Refer to Exhibit 1 for generalized flowchart related to maintenance of
R2Veg.

####### EXHIBIT 1-- R2VEG MAINTENANCE FLOWCHART

The following events create a new to update R2Veg polygons, data or
both:

######  ACTIVITIES NEW DATA COLLECTION CHANGE DETECTION

  ----------------------- ----------------------- -----------------------
  Harvest Cuts 5 acres or Stand Exam, FSVEG fuel  Periodically (every 5
  larger would generally  surveys, range surveys, or 10 years), the
  require the creation of or any survey requiring Forest will receive new
  new polygons.           a R2Veg FV form to be   resource photos or new
                          completed will result   DOQs. These should be
                          in an update to the     reviewed for changes in
                          Oracle database.        the vegetation not
                                                  picked up by activity
                                                  tracking systems.

                                                  

  Activities less than 5  All of the activities   New Forest inventories
  acres would not         in the left column that will require a review
  necessarily create new  cause a polygon change  of the existing
  polygons, but would     will also need a        delineations and data.
  require the polygon     corresponding update to 
  data to be updated.     the Oracle database.    

                                                  

  Natural burns,          R2Veg polygon           New Forest Plans will
  prescribed burns or     delineation should be   require a review of the
  other similar activites checked prior to        existing delineations
  may cause polygon       collecting field data.  and data.
  updates if they change  Any needed changes in   
  the character of the    polygon delineation     
  vegetation according to should be done prior to 
  the R2Veg delineation   field data collection.  
  standards.              The end result of field 
                          data collection could   
                          require both polygon    
                          and data updates        

                                                  

  Tornados, windstorms,                           
  and other events can                            
  result in R2Veg                                 
  polygons needing                                
  updates.                                        

                                                  

  Any recorded activity                           
  in RMACT or other                               
  systems that has an                             
  accurate spatial                                
  boundary may be used                            
  for R2Veg updates.                              
  ----------------------- ----------------------- -----------------------

Generic GeoDataBase Editing Setup

*Qualifier -- This general setup for editing geodatabases has been
copied from the Noxious Weed User Guide training example prepared by
Mark Applequist, San Juan NF. The steps in this guide are geared towards
editing a personal geodatabase but are also applicable to a versioned
SDE geodatabase.*

###### [Introduction.]{.underline} Before you begin editing your own personal project work, be sure that you make a backup copy of the theme(s) you are going to edit. This will give you a safety net in case you make mistakes while editing, or if you need to compare your editing work with the original, or the electricity goes off for a while. Also, remember that ArcMap is a PC program meaning that all of your work exists only on your desk, and you will be storing your work in the GIS directory structure on your PC. You need to make backup copies of your important GIS work on the server (or write them to a CD) so that you will not lose anything if your computer crashes. 

Additionally, www.esri.com has a vast store of information about
problems and issues regarding ESRI products. It is a safe bet that any
problem you have has been encountered before and recorded on the ESRI
web page. Sometimes, when we encounter problems with ESRI software, we
are timid about explaining the problem to other GIS folks or the ESRI
support team. We all need to get over this shyness and seek answers,
because some of the problems are not user error, but rather software
bugs which may be fixed in future versions. The search engine (***SEARCH
THE KNOWLEDGE BASE***) does a good job of locating resourceS in the
discussion forums, technical articles, ArcScripts, and downloads of
fixes or additional tools.

###### [ArcMap Features.]{.underline} For ArcView users, the transition to ArcMap will entail learning to look for the same functionality you enjoyed in ArcView, but in different places. Some of the functionality of ArcView now resides in ArcCatalog, the sister module of ArcMap within the ArcGIS suite of modules. It is best to run ArcMap by itself, and open ArcCatalogue only when necessary to perform certain operations.

A lot of the functionality that was contained in dropdown menus in
ArcView is now located in right click menus in ArcMap. During your edit
session, if you are having a hard time finding some functionality, try
the right click. If you are working in ArcGIS, and do not know what a
button does, place your mouse pointer over the button, and it will tell
you. Like ArcView, these hints will also be found at the bottom left
corner of the ArcMap session. Many of the functions of ArcGIS appear in
more than one place, usually buttons and dropdown menus.

###### [Editing Concepts.]{.underline} ArcMap allows you to edit coverages, shapefiles, geodatabases, and CAD products. We do not deal with CAD products, and experience has taught us that ArcMap is not a good editor for coverages. ESRI is evolving the coverage into the geodatabase, and this replacement is not too far in the future. Geodatabases can be either personal, on your PC, or corporate, meaning that they will reside on the server in the SDE environment. Personal geodatabases can be exported into the SDE environment, and vice versa. 

**WARNING: ArcMap is NOT recommended for editing coverages.**

###### [Getting Setup for Editing]{.underline}

**Activate the *[Editor]{.underline}* toolbar.**

1.  Start ArcMap.

> 2\. Under ***Tools*** on the Main menu, select the top choice to
> activate the tool bar. You will immediately see a new tool bar on your
> ArcMap interfact with the ***Editor*** menu at one end.

**TECH TIP** You can also activate the ***Editor*** toolbar by clicking
the third button from the right end on the top row of buttons. You can
also go to ***Tools*** ***Customize*** on the main menu.

**REFERENCE** You can edit in either the ***Data*** view or the
***Layout*** view, but we will do all of your editing in the ***Data***
view to prevent confusion. See Diagram 1 for the location of those
buttons.

**Docking the *Editor* toolbar.**

> 4\. Dock the ***Editor*** toolbar where you find it the most
> convenient to use. It is recommended to
>
> dock it right above the mapped area. To dock, you need to grab the
> toolbar by the small ridge on the end of the toolbar and drag it to
> where you want. It will change from vertical to horizontal depending
> on where you put it. See [Diagram 1]{.underline} below for one
> configuration.

###### Diagram 1

![](media/image3.png){width="5.375694444444444in"
height="4.039583333333334in"}

**REFERENCE:** Everybody makes mistakes, encounters unexpected results,
or needs to go back to the preceding step. In **Diagram 1** above, the
***Undo*** and ***Redo*** buttons are circled, and you can also find
these at the top of the menu under ***Edit*** on the main menu.

**Selecting the edit layers.**

> 5\. Under *Editor* on the *Edit* toolbar, choose *Start Editing*. You
> will get a menu of choices indicating which of the directories or
> geodatabases in which your are going to edit. By highlighting each
> directory on the top half, you can see which layers are included.

6.  Select **the geodatabase to edit (MDB).**

7.  Select the ***Target*** feature class to edit within the
    geodatabase. Set your project to select features from the theme you
    are editing. On the ***Selection*** dropdown menu on the Main menu,
    select the ***Set Selectable Layers*** and uncheck everything but
    the theme you are editing.

**WARNING:**

**If your selectable layer is not set to your *Target* edit theme, you
can accidentally select features from multiple layers. If you hit the
delete button, you are deleting features in layers you did not intend to
edit. Future versions of ArcMap may correct this.**

**Familiarize yourself with edit *Tasks* and the *Edit* Select tool.**

9**.** Left click on the arrow at the right of the ***Task*** window.
You will see the following options for

> tasks you can select for your Editing and what those tasks accomplish.

  --------------------- -------------------------------------------------
  Create New Feature    Create a new point, polygon or line

  **Auto Complete       **Create a new polygon using an existing edge.**
  Polygon**             

  Select Features using Select features by drawing a line through them,
  a line                using Sketch tool.

  Select Features using Select features by drawing a line around them,
  an Area               using Sketch tool.

  Extend/Trim Features  Extend or Trim lines based on a line you draw
                        with the Sketch tool.

  Mirror Features       Mirror selected features based on a line you draw
                        with the Sketch tool.

  Modify Features       Modify features by dragging line or polygon
                        vertices.

  Reshape Features      Reshape features based on a line you draw with
                        the Sketch tool.

  Cut Polygon Features  Cut polygon features based on a line you draw
                        with the Sketch tool.
  --------------------- -------------------------------------------------

8.  Select a feature using the ***Select Edit button*** (the black
    arrowhead). This select tool is for editing only. Diagram 2 below
    shows the location of all three select tools. The ***Select
    Features*** button is used to select features when not editing. The
    ***Select Elements*** button is used to select map objects during
    map making.

**WARNING: Only use the "Auto Complete Polygon" tool tool for R2Veg
edits. You may also use "Merge" off of the edit toolbar menu. You may
split polygons using autocomplete. Never use any of the other tools or
you will damage polygon topology. Be very careful to not move
polygons.**

**Diagram 2 Location of the three different Select Tools.**

![](media/image4.png){width="4.872916666666667in"
height="3.779166666666667in"}

**[Setting Snapping Tolerance]{.underline}**

When you are editing, the snapping environment is very important, and
can greatly increase your efficiency. Snapping tolerance refers to your
ability to create features which snap to existing vertices, ends, or
edges if it is within a certain distance of that feature. The best way
to become comfortable with how snapping tolerances act in the real
world, is to play around with different settings.

###### 

1.  Under ***Editor*** on the ***Edit*** toolbar, select ***Options***.

2.  In the ***Editing Options*** window, change the *Snapping Tolerance*
    from 5 Map Units to 3 meters.

3.  Click ***OK*** to apply this setting and close the window.

4.  Under ***Editor*** on the ***Edit*** toolbar, select ***Snapping***.

5.  In the ***Snapping Environment*** window, which appears, check
    ***Vertex***, and ***Edge*** for nox_poly.

6.  Drag nox_poly to the top of the list so it is in first priority for
    snapping. Compare to Diagram 3.

7.  Click the **"X"** in the upper right hand corner to close and apply
    these settings.

**Diagram 3** -- **Snapping Environment**

![](media/image5.png){width="2.9541666666666666in"
height="2.2159722222222222in"}

######## Calculate Acres

After adding activity polygons or changing the shapes of any existing
polygons it will be necessary to update the Area (ACRES) field required
for some reports. The following is the procedure to populate the acres
field of the R2Veg feature class table.

-   open the table in ArcMap and start editing

-   right click on the acres column title and select calculate values

-   say yes to the prompt asking about clearing space for new calcs

-   type in or load the acre calculation from a file and click OK

-   (the acre calculation from meters is

> \[shapearea\] \* .000247105

-   after acres are calculated for each GIS feature save your editssto

-   stop editing

# Specific Instructions to Edit R2Veg 

This section assumes that all editing is done using a personal
geodatabase on the PC. All background covers must reside on the PC for
this to be efficient (see the recommended PC structure for doing GIS
work) or they must reside in ArcSde.

Since the R2Veg cover contains 100% coverage of adjacent polygons it is
very important to maintain topology. The best way to do this is by
sticking to the correct editing tools.

1.  Only use two editing tools:

    -   autocomplete polygon (split polygons and create new polygons)

    -   merge

2.  Never use any of the other available editing tools.

3.  Never move a polygon. This can easily happen by accident when you
    have a polygon selected. If it does happen do not try to move it
    back. Use edit/undo.

4.  When merging a polygon, the one selected first will retain the data.
    The first one selected also show in the table editor if that is
    open. This is a good double check.

5.  When splitting a polygon, both polygons will end up with the same
    data that the original polygon had. There are some choices to make
    after splitting:

    -   Do you want to redo the polygon and species data

> a\) Before opening any links with the table editor, change the polygon
> identity. This will delete the linked data. If it does not, perform a
> save and this will clear the links.

-   Do you want to retain the polygon and species data and edit it for
    the "new" polygon

    a.  Open the links to the polygon and species data

    b.  Change the veg_links to the new one in all 3 tables; feature
        class, polygon and species (only the species records you want to
        change).

    c.  Save your changes

    d.  Alter the remaining data

    e.  Never delete a species or polygon record with the original
        number as it will be deleted for the original link (the other
        polygon). Think!

-   Do you want to retain and alter the polygon and species data for the
    one polygon that keeps the identity of the original polygon?

    a.  Simply edit the polygon and species records leaving the veg_link
        alone.

    b.  Delete species records that no longer apply.

6.  Do not cross partition boundaries

7.  New polygon numbers should be obtained using the following method.

    -   stop editing (or don't be in an editing session)

    -   open the R2veg feature class table

    -   use the options tab to select the partition that the polygon
        lies in

        a.  Such as \[veg_link\] like 'WDOLXX\*'

        b.  Right click on veg_link and select summarize

        c.  Be sure to check the box to use only selected.

        d.  Add the resulting table to your project, open and review the
            list

        e.  You may pick a number larger than the largest number or one
            in-between that is not being used.

        f.  Note that the count should never exceed 1 which would
            indicate you have duplicate polygons.

8.  Always consider using the following for background when editing
    R2Veg:

    a.  DOQs resident on the PC or in ArcSde

    b.  Dissolved Partitions (can create on the fly)

    c.  Activity layer

9.  Never point to a layer that resides on the server directly (i.e. the
    j: drive). This will bottleneck the entire process. If a layer is
    used that resides on the server, it must be accessed via ArcSde so
    that the performance will be adequate.

10. Always make a copy of your MDB prior to editing and after a series
    of major change.

11. Your edits should be performed on a subset of the geodatabase
    (ideally a "checked out" version from ArcSde).

12. Always use the TABLE editor to make changes to the data. Never open
    the tables any other way to edit them.

If the above rules are followed your editing experience with R2Veg
should be positive. When you make a mistake that is difficult to correct
use the undo or stop editing without saving.

**[Polygon Split using Autocomplete Polygon.]{.underline}**

Note: When splitting always start outside the desired polygon to split
and end outside.

Before --

![](media/image6.png){width="1.6027777777777779in"
height="1.1298611111111112in"}

After --

![](media/image7.png){width="3.1013888888888888in"
height="1.6479166666666667in"}

Data After -- everything is the same except for the object id

![](media/image8.png){width="3.263888888888889in"
height="1.0444444444444445in"}

![](media/image9.png){width="2.85in" height="1.8902777777777777in"}

Objective -- Keep data for one highlighted and re-enter for other one

Notice that when you click on the veg_link that the polygon highlights.

There is a group of ID's available from 2531-2681.

![](media/image10.png){width="3.9770833333333333in"
height="1.4430555555555555in"}

Change the poly_id portion of the veg_link ID to 2531 (carefully keeping
the number right justified in the field).

![](media/image11.png){width="3.975in" height="1.2368055555555555in"}

Now when opened, there are no related tables (no plus signs)

![](media/image12.png){width="3.7270833333333333in"
height="2.3194444444444446in"}

The user must create the related data for the polygon table and then the
species table (the ToVegPoly and ToSpec relationship classes. Some
Forests may have optional data in the local table (ToPolyLocal) that may
also have to be entered. Do not change data in the other tables since
those are for calculated data only.

Right click on ToVegPoly and select add new and notice the new object id
of 46454.

![](media/image13.png){width="1.6020833333333333in"
height="1.3854166666666667in"}

Click on the object id to see the empty table and start entering data
via the pulldown selections (i.e. click on Nul to see a list of valid
selections for most items). Type in partition and poly_id to match the
appropriate portions of the veg_link field.

![](media/image14.png){width="3.1222222222222222in"
height="3.317361111111111in"}

All required items are filled in:

![](media/image15.png){width="3.725in" height="3.63125in"}

This is a new data set, so the modified_by and modified_date are left
blank. The photo Project can be more specific to identify an individual
photo, or can identify a GIS layer of photo centers for a spatial
reference. In this example, the layer is identified and the individual
photo information is left blank.

The FSVeg link must be filled in if it exists. The number in this case
is based on the RIS data for older surveys since the old and new
boundaries are reasonably matched. It may be based on the watershed
alias and R2Veg polygon number for new surveys (ie, in this case
WDOLXX253113 if there was a new survey). Remember that there is only one
polygon record and do not add a second for the same polygon.

Next Fill in the species data. There may be several species records for
the same polygon. In this case, the CROWN cover method is used and the
cover percents should add to 100% or less. Since this is a photo survey,
less than 100% may be accounted for as long as 100% of the dominant life
form is accounted for.

Now code the species records. We have two lines to record, so right
click on the ToSpec relationship class and select add new twice.

![](media/image16.png){width="1.8520833333333333in"
height="1.8159722222222223in"}

Complete the data for each species record using the pull down menus.

Do not fill in partition_type, partition, poly_id, entered_by,
entered_date, modified_by, or modified_date since this will be
calculated by the coordinator based on the information you entered for
the polygon prior to merging with the master data set.

Do not fill in distribution percent as this is just a carry over field
from CVU. The first record looks like the following:

![](media/image17.png){width="3.8493055555555555in"
height="2.4611111111111112in"}

Now complete the 2^nd^ record following the rules in the attributing
section of this guide:

![](media/image18.png){width="3.85in" height="2.3208333333333333in"}

Lifeform_Subtype is redundant, but necessary if using the table editor
rather than the VB form. There are some advantages of ArcGis subtypes
but they have to be defined as numeric fields. Thus in the background,
LF_SUBTYPE is just a conversion of LF_GSC to a numeric subtype code that
takes place in the background.

The other polygons would also need to be edited and corrected. The key
is to always leave the original number with the polygon that matches the
original data best. For this polygon, add the modified_by and
modified_date to the polygon table. Modify any values in the polygon
table as appropriate. Delete any species records that are not needed
(right click, delete) and modify the data for the remaining species
records as needed.

Save your edits!

######## Polygon Merge

First determine which polygon that you want to delete the species and
polygon data. In this case select polygon 2531, right click on the data
for the ToVegPoly relationship and delete it. Do the same for the two
records in the ToSpec relationship. If you do not do this it could be
cleaned up later since there will be records in the polygon and species
table that do not have a match in the feature class table. R2Veg defines
"simple" relationship classes to allow easy use of the ArcCatalog data
loader tool, but "composite" relationships could have been defined which
would have resolved this minor inconvenience.

For this example, lets merge the two polygons that we just created by
splitting back to the original polygon. The data for the merge is
dependant on which polygon was selected first so in this case we want to
select the polygon with the original veg_link identity first. Select
polygon 2261 first.

![](media/image19.png){width="2.3506944444444446in"
height="1.9555555555555555in"}

The hold the shift key and select polygon 2531.

![](media/image20.png){width="3.225in" height="2.4in"}

Be sure that the one with the data is shown on top of the list with the
table editor (2261).

Right click on the editor and select merge.

![](media/image21.png){width="2.4125in" height="2.6951388888888888in"}

Save Edits.

Note: Do not combine polygons from two different Partitions. The
partition boundaries are firm unless changed by Forest decision.

**[Adding a New Polygon coincident to a Watershed.]{.underline}**

Note: When adding a new polygon, always start inside an existing polygon
boundary and end inside an existing polygon boundary.

Since the Existing Vegetation cover always consists of contiguous
polygons, adding a new polygon means adding a polygon to the outside
boundary. When doing this, the watershed boundary, or whatever is being
used for partitions becomes important since it is not obvious from the
numbering system where the boundaries are.

The example R2Veg feature class used huc5 and huc6 boundaries to define
the partitions (blue being the HUC6 background).

![](media/image22.png){width="1.8506944444444444in"
height="1.6472222222222221in"}

Start Editing and set snapping to both huc6 Vertex and Edge.

For the watershed edge only, set the snapping tolerance to 30 meters
(reset this back to 3 meters when done with polygons next to the
watershed boundary. Zoom in close.

Start from inside an existing R2Veg polygon, draw your line to the
watershed boundary, carefully follow that boundary past the edge of the
existing R2Veg polygon and double click inside the existing R2Veg
polygon to close. Note how the line will snap to the HUC6 line. Below is
the new polygon perfectly coincident to the watershed line.

![](media/image23.png){width="1.2798611111111111in"
height="1.382638888888889in"}

Add your data for the new polygon as in the previous example. Be sure to
reduce your snapping distance for creation of the inside polygons.

Creating a Subset of Data to Edit

Versioning to a personal geodatabase will not be available until ArcGis
8.3 is releaased for Forest Service use. In lieu of that, a procedure is
described in this chapter that enables the coordinator to set up a
subset of the data for an individual to edit. It is not good to give out
a copy of the entire R2Veg database to edit since errors can be made
that extend beyond the scope of the area to be edited.

To follow this procedure requires that you have a populated R2Veg Master
dataset and an empty R2Veg geodatabase. Both much match in terms of
domains and relationship classes. *If created from the original R2Veg
repository, it becomes necessary to re-type the local domains*.

**[Step 1]{.underline}**

Create a project boundary that covers the extent of the area you want to
edit.

**[Step 2]{.underline}**

Make a copy of the empty R2Veg geodatabase and rename it to something
meaningful such as the person's name who will be doing the edits such
as:

r2veg_scott.mdb

**[Step 3]{.underline}**

Open ArcMap and add the project boundary and then a copy of the master
R2Veg. This could also be the master ArcSde version of R2Veg accessed
from the fs_public connection. Note that the project boundary (for the
purposes of editing) should be a single polygon (not multiple polygons).

**[Step 4]{.underline}**

Select by location

![](media/image24.png){width="4.0159722222222225in"
height="2.3618055555555557in"}

You must use a method of spatial selection that results in whole
polygons. The outside boundary of the edit polygon data set must not be
changed at all so that it can be merged into the master. Therefore you
may want to buffer.

After selecting the polygons, open up the table for the r2veg_feature
class and bring the selected records to the top. Under options, open
both the polygon and species tables for the related records and bring
the selected to the top. The related tables are identified by
"ToVegPoly" and "ToSpecies".

**[Step 5]{.underline}**

Export the layer, the poly table, and the species table into the
r2veg_scott.mdb geodatabase and call the layer temp_veg, the polytable
temp_poly and the species table temp_species. Export only the selected
records.

The working MDB should look like:

![](media/image25.png){width="2.6805555555555554in"
height="2.073611111111111in"}

![](media/image26.png){width="1.5972222222222223in" height="1.10625in"}

**[Step 6]{.underline}**

Open up ArcCatalog and navigate to r2veg_scott.mdb

![](media/image27.png){width="1.8229166666666667in"
height="2.920138888888889in"}

Right click on the R2Veg feature class and select load data

Next

Navigate to temp_r2veg and add it

Next all the way to the finish screen.

**[Step 7]{.underline}**

Do the same for the R2Veg Poly table (loading the data from temp_poly)
and for the R2Veg_Species table loading the data from temp_species.
Loading should proceed smoothly since there is an exact match between
tables.

**[Step 8]{.underline}**

Right click on the TEMP layer and 2 tables in ArcCatalog and delete
them.

**[Step 9]{.underline}**

Confirm that all looks ok by querying up the edit area in ArcMap

**[Step 10]{.underline}**

Distribute the MDB for editing. Log that a version of an area has been
checked out to Scott Wagner in this example for editing. Be sure that
the editor knows not to alter the outside boundary of edit area. The
coordinator will be deleting the polygons from a copy of the master for
the same area when bringing the data back in and reversing the process
used to export to a subset MDB. The coordinator will also need to update
the Acres and fill in the missing fields at the top of the species table
via calculation from the R2Veg Poly data.

![](media/image28.png){width="5.0159722222222225in"
height="4.179166666666666in"}

Notice that there are the same number of records in the polygon table as
in the R2Veg feature class. There are 3054 records in the species table
or about 7 species records per polygon. If you start editing the pull
down menus should still exist (domains). Polygon and species
relationship classes should still work. The calculated tables may be
ignored for the editing process.

Sample Query of the R2Veg GeoDataBase

For this example we will perform a query that could not be done (easily)
using the old IDS-CVU system. We would like to query all polygons that
have OAK coded in the species table.

Open the species table to where you can see the species column.

![](media/image29.png){width="5.763888888888889in"
height="3.027083333333333in"}

Under options select by attribute and apply.

![](media/image30.png){width="3.4305555555555554in"
height="2.584722222222222in"}

Show selected and you will note there are 16,530 records. But also note
that no polygons show as selected on the polygon map. Under options,
related tables, select the ToPCov relate (to polygon coverage).

![](media/image31.png){width="5.013888888888889in" height="3.8125in"}

Other Tables R2Veg Links To

Need to add info on how to link to the RMSTAND_POLY_SUMMARY table once
that has been fixed.

Calculated Tables

Two draft chapters currently exist for R2Veg GIS calculations (slope,
aspect and elevation) and for the species calculations (cover type, hab
struct stage, etc) and those will be included once the Visual Basic
routines are complete. The calculations work by selecting a data set to
calculate and then pushing the calc button.

For edit projects, it will be important to be able to reproduce the
selection that produced the subset for editing.