*Second Annual Symposium*

Research Insights in

Semiarid Ecosystems

RISE

Recent research at the USDA-ARS Walnut Gulch Experimental Watershed
(WGEW) and the University of Arizona Santa Rita Experimental Range
(SRER)

![](media/image1.jpeg){width="6.124305555555556in"
height="2.5520833333333335in"}

RISE Program

 

**University of Arizona, Tucson, Marley Building, Rm. 230**

**Saturday, 8 October 2005, 9:00 AM to 2:30 PM**

**Lunch and Poster Session, 11:00-1:00 PM**

**Registration Fee: \$5 Students; \$15 All Other (includes lunch)**

** **

Purpose:  The objectives of the symposium are to share recent results of
scientific research at WGEW and SRER, to encourage future research
activities at the WGEW and the SRER, and to promote the WGEW and the
SRER as outdoor scientific laboratories.

+--------+-----------------+------------------------------------------+
| *      |                 |                                          |
| *2^nd^ |                 |                                          |
| Re     |                 |                                          |
| search |                 |                                          |
| In     |                 |                                          |
| sights |                 |                                          |
| in     |                 |                                          |
| Se     |                 |                                          |
| miarid |                 |                                          |
| Ecos   |                 |                                          |
| ystems |                 |                                          |
| (RISE) |                 |                                          |
| Sympo  |                 |                                          |
| sium** |                 |                                          |
|        |                 |                                          |
| #####  |                 |                                          |
| ### 8  |                 |                                          |
| Octobe |                 |                                          |
| r 2005 |                 |                                          |
+--------+-----------------+------------------------------------------+
|        |                 |                                          |
+--------+-----------------+------------------------------------------+
| ## M   |                 |                                          |
| arley  |                 |                                          |
| Buildi |                 |                                          |
| ng, Ro |                 |                                          |
| om 230 |                 |                                          |
+--------+-----------------+------------------------------------------+
|        |                 |                                          |
+--------+-----------------+------------------------------------------+
| 8:3    | # Registration  |                                          |
| 0-9:00 |                 |                                          |
+--------+-----------------+------------------------------------------+
| 9:0    | # Mit           | RISE Welcome                             |
| 0-9:10 | ch McClaran and |                                          |
|        |                 |                                          |
|        | # Susan Moran   |                                          |
+--------+-----------------+------------------------------------------+
| 9:1    | **Pierre        | ####### Reproductive a                   |
| 0-9:30 | Deviche,**      | daptations of Sonoran desert passerine b |
|        |                 | irds to irregular precipitation patterns |
|        | **Thomas        | : A story of constraints and flexibility |
|        | Small,**        |                                          |
|        |                 |                                          |
|        | **Peter         |                                          |
|        | Sharp,**        |                                          |
|        |                 |                                          |
|        | **and Kazuyoshi |                                          |
|        | Tsutsui,**      |                                          |
|        |                 |                                          |
|        | **ASU SLS, RIS, |                                          |
|        | HUJ**           |                                          |
+--------+-----------------+------------------------------------------+
| 9:3    | # H             | ####### Land management and s            |
| 0-9:50 | eather Throop a | oil carbon pools: patterns and processes |
|        | nd Steve Archer |                                          |
|        |                 |                                          |
|        | **UA SNR**      |                                          |
+--------+-----------------+------------------------------------------+
| 9:50   | **Dave Womack   | Rangeland health, state and transition   |
| -10:10 | and Dan         | models and site descriptions for         |
|        | Robinett**      | sandyloam, deep ecological site in       |
|        |                 | Southern Arizona                         |
|        | **USDA NRCS**   |                                          |
+--------+-----------------+------------------------------------------+
| 10:10  | **Debra Peters, | Long term vegetation change at the       |
| -10:30 | Kris Havstad,   | Jornada: importance of spatial processes |
|        | Jin Yao, and    | and landscape context                    |
|        | Bob Gibbens**   |                                          |
|        |                 |                                          |
|        | **USDA ARS      |                                          |
|        | JER**           |                                          |
+--------+-----------------+------------------------------------------+
| 10:30  | # Poste         | *Poster teasers provided by poster       |
| -11:00 | r introductions | authors*                                 |
+--------+-----------------+------------------------------------------+
| 11:0   | #               | ##                                       |
| 0-1:00 |  Poster Session | ##### Authors will be with their posters |
|        |                 |  in the hall outside the conference room |
+--------+-----------------+------------------------------------------+
| P1     | # M. Nichol     | Geomorphic change along the Walnut Gulch |
|        | s and C. Shipek | Channel                                  |
|        |                 |                                          |
|        |                 | #######                                  |
+--------+-----------------+------------------------------------------+
| P2     | # B. Yu         | ####### Ma                               |
|        | ill, M. Nichols | pping Bed Texture Evolution to Explain V |
|        | , M. Schmeeckle | ariations in Observed Sediment Transport |
+--------+-----------------+------------------------------------------+
| P3     | # M.            | ####### S                                |
|        | Nearing, A. Kim | patial patterns of soil erosion and depo |
|        | oto, M. Nichols | sition in two small, semiarid watersheds |
|        |  and J. Ritchie |                                          |
+--------+-----------------+------------------------------------------+
| P4     | # R. Bryant     | ####### LIDA                             |
|        | amd D. Goodrich | R resolution, vegetation filters and pre |
|        |                 | servation of topographic discontinuities |
+--------+-----------------+------------------------------------------+
| P5     | **J. Finely, D. | #######                                  |
|        | Sammataro, P.   |  Field Testing Protein Supplements for S |
|        | Segura and G.   | trengthening European Honey Bee Colonies |
|        | Wardell**       |                                          |
+--------+-----------------+------------------------------------------+
| P6     | # T. Small      | ####### Rapid reproductive res           |
|        |                 | ponse of male Rufous-winged Sparrows to  |
|        |                 | increased rainfall: a role for termites? |
+--------+-----------------+------------------------------------------+
| P7     | # M. McC        | ####### Organic ca                       |
|        | laran D. Marten | rbon stocks in relation to grass, mesqui |
|        | s, and S. Marsh | te, and land use in the Desert Grassland |
+--------+-----------------+------------------------------------------+
| P8     | **B. Collins,   | The Effects of a Temporal Belowground    |
|        | M.              | Resident, Manduca sexta, on Soil         |
|        | Pavao-Zuckerman | Microbial Communities, Soil Nutrients,   |
|        | and T. Huxman** | and Plant Growth                         |
+--------+-----------------+------------------------------------------+
| P9     | # D.            | #######                                  |
|        |  Ignace, D. Pot | The role of a native and non-native gras |
|        | ts, E. Yepez-Go | s species in ecosystem CO2 and H2O excha |
|        | nzalez, J. Cabl | nge across two contrasting soil surfaces |
|        | e, M. Mason, A. |                                          |
|        |  Eilts, J. Welt |                                          |
|        | zin, D. William |                                          |
|        | s and T. Huxman |                                          |
+--------+-----------------+------------------------------------------+
| P10    | # J. Cable, D.  | ####### Controls on ecosyste             |
|        | Potts, R. Scott | m respiration in a semi-arid watershed:  |
|        | , M. Pavao-Zuck | seasonality and woody plant encroachment |
|        | erman, D. Willi |                                          |
|        | ams, D. Goodric |                                          |
|        | h and T. Huxman |                                          |
+--------+-----------------+------------------------------------------+
| P11    | # M             | ####### M                                |
|        | . Pavao-Zuckerm | esquite cover mediates soil community st |
|        | an, J. Cable, E | ructure response to precipitation pulses |
|        | . Yepez, D. Pot |                                          |
|        | ts, T. Huxman,  |                                          |
|        | and D. Williams |                                          |
+--------+-----------------+------------------------------------------+
| P12    | # J.            | ####### D                                |
|        |  Eilts, T. Huxm | ensity dependant competition for water b |
|        | an, D. Williams | etween exotic and native grass species.  |
|        |  and J. Weltzin |                                          |
+--------+-----------------+------------------------------------------+
| P13    | # C             | ####### Cover-biomass re                 |
|        | . Huang, S. Mar | lationships in woody plants: effects of  |
|        | sh, M. McClaran | fire and implications for remote sensing |
|        | , and S. Archer |                                          |
+--------+-----------------+------------------------------------------+
| P14    | # A. Tyler,     | ####### Selfing reduces photosynthetic   |
|        | G. Barron-Gaffo | function in Datura wrightii (Solanaceae) |
|        | rd, J. Bronstei |                                          |
|        | n, G. Davidowit |                                          |
|        | z and T. Huxman |                                          |
+--------+-----------------+------------------------------------------+
| P15    | # J. G          | ####### Summer flowering phenology in t  |
|        | raber, J. Brons | he foothills of the Santa Rita Mountains |
|        | tein, G. Davido |                                          |
|        | witz, T. Huxman |                                          |
|        |  and R. Alarcon |                                          |
+--------+-----------------+------------------------------------------+
| P16    | **H.J.**        | Monitoring Riparian and Semi-Arid Upland |
|        | **Kim,** **A.R. | Vegetation Using Vegetation and Water    |
|        | Huete, P.**     | Indices from the MODIS Satellite Sensor  |
|        | **Nagler, E.**  |                                          |
|        | **Glenn, W.**   |                                          |
|        | **Emmerich,     |                                          |
|        | R.L. Scott**    |                                          |
+--------+-----------------+------------------------------------------+
| 12:0   | # L             | Provided by RISE                         |
| 0-1:00 | unch w/ Posters |                                          |
+--------+-----------------+------------------------------------------+
| 1:0    | **Neil Cobb,**  | The importance of the greater Grand      |
| 0-1:20 |                 | Canyon-Peaks ecosystem for the Arizona   |
|        | **Amy           | Ecological Transect                      |
|        | Whipple,**      |                                          |
|        |                 |                                          |
|        | **Tom           |                                          |
|        | Whitham,**      |                                          |
|        |                 |                                          |
|        | **Bruce         |                                          |
|        | Hungate,**      |                                          |
|        |                 |                                          |
|        | **and Jane      |                                          |
|        | Marks**         |                                          |
|        |                 |                                          |
|        | **NAU MPCER**   |                                          |
+--------+-----------------+------------------------------------------+
| 1:2    | **David         | Lessons learned from mapping soil        |
| 0-1:40 | Thoma,**        | moisture with radar remote sensing at    |
|        |                 | WGEW                                     |
|        | **Susan         |                                          |
|        | Moran,**        |                                          |
|        |                 |                                          |
|        | **Ross          |                                          |
|        | Bryant,**       |                                          |
|        |                 |                                          |
|        | **Magfur        |                                          |
|        | Rahman,**       |                                          |
|        |                 |                                          |
|        | **Chandra       |                                          |
|        | Holif           |                                          |
|        | ield-Collins,** |                                          |
|        |                 |                                          |
|        | **and Susan     |                                          |
|        | Skirvin**       |                                          |
|        |                 |                                          |
|        | **USDA ARS      |                                          |
|        | SWRC**          |                                          |
+--------+-----------------+------------------------------------------+
| 1:4    | # Bill Emmerich | Shrub and grass land ecosystem water use |
| 0-2:00 |                 | efficiency on the Walnut Gulch           |
|        | #####           | Experimental Watershed                   |
|        | # USDA ARS SWRC |                                          |
+--------+-----------------+------------------------------------------+
| 2:0    | # Wa            | A synopsis of geologic and geomorphic    |
| 0-2:20 | ite Osterkamp a | studies in the Walnut Gulch Watershed,   |
|        | nd Scott Miller | southeast Arizona                        |
|        |                 |                                          |
|        | **USGS & U.     |                                          |
|        | Wyoming**       |                                          |
+--------+-----------------+------------------------------------------+
| 2:2    | # Discussion    | All speakers and poster authors will be  |
| 0-2:30 |                 | in attendance                            |
+--------+-----------------+------------------------------------------+

+------------------------------+---------------------------------------+
| **RISE Organizing            | # Acronyms:                           |
| Committee:**                 |                                       |
|                              | ARS: Agricultural Research Service    |
| Mark Heitlinger, Mitch       |                                       |
| McClaran, Susan Moran        | ASU: Arizona State University         |
|                              |                                       |
| <markh@Ag.arizona.edu>       | HUJ: Hiroshima Univ., Japan.          |
|                              |                                       |
| <mcclaran@u.arizona.edu>     | JER: Jornada Experimental Range       |
|                              |                                       |
| <smoran@tucson.ars.ag.gov>   | MPCER: Merriam-Powell Center for      |
|                              | Environmental Research                |
|                              |                                       |
|                              | NAU: Northern Arizona University      |
|                              |                                       |
|                              | NRCS: Natural Resources Conservation  |
|                              | Service                               |
|                              |                                       |
|                              | RIS: Roslin Institute, Scotland       |
|                              |                                       |
|                              | SLS: School of Life Sciences          |
|                              |                                       |
|                              | SNR: School of Natural Resources      |
|                              |                                       |
|                              | SWRC: Southwest Watershed Research    |
|                              | Center                                |
|                              |                                       |
|                              | UA: University of Arizona             |
+------------------------------+---------------------------------------+