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### 2012 National Insect & Disease Risk Maps/Data
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### Overview
The links below provide access to key data products: • Zip files with downloadable GIS raster data (ArcINFO GRID format) • Information on how to access NIDRM map and image services • Downloadable tabular summaries (MS Excel format)
download report 

### GIS Data Downloads Within each zip file * is an ArcINFO workspace that includes the relevant raster data (GRID format), a README file that explains the file naming conventions, and layer files for default symbolization. Each raster dataset includes embedded metadata. The Data Dictionary describes these datasets. * Please keep your web browser window open and allow extra time when downloading large zip files. DATA DICTIONARY 50 KB CONTIGUOUS US PREVIEW ZIP Hazard by agent-Eastern pests 32 KB 295 MB Hazard by agent-Western pests 32 KB 213 MB Hazard by agent- Pests that span L48 32 KB 140 MB Composite hazard from all pests 13 KB 97 MB Hazard by host tree species 36 KB 181 MB Treed area, Total basal area 13 KB 87 MB ALASKA ZIP All NIDRM GIS raster datasets 50 KB 68 MB HAWAII ZIP All NIDRM GIS raster datasets 25 KB 8 MB 

### Map and Image Services Map services provide ready to use map layers with fixed symbology while image services provide a wider range of flexibility such as data downlo ad and customizable symbology. For an overview of these map and image services including instructions for their access please download the Map & Image Services Intro/Overview file. MAP & IMAGE SERVICES INTRO/OVERVIEW 2.6 MB 

### Tabular Data Downloads Click links below to download Excel workbooks that summarize NIDRM 2013 – 2027 outputs by National Forests and National Parks. 2012 National Insect & Disease Risk Maps/Data
2012 National Insect & Disease Risk Map Viewer
Insect and Disease Aerial Detection Surveys (ADS) National Forest Damage Agent Range Maps
Forest Pest Conditions SPB Hazard Maps Invasive Pest Risk Maps 

## Page 1 of 2 FHTET Products - 2012 National Insect and Disease Risk Maps

12 / 3 /201 4 htt p ://www.fs.fed.us/foresthealth/technolo gy/nidrm2012.shtmlNational Forest Summaries 725 KB National Park Summaries 732 KB 

### Watershed Summaries Click links below to download Ar cGIS 10.1 file geodatabases that summarize NIDRM 2013-2027 outputs by 6th level (12-digit) Hydrologic Unit Code (HUC) watersheds. The geodatabase tables summarize composite hazard, as well as breakouts by individual insect or disease and by host tree species that can be joined to the included 6th level HUC watershed polygons Note: This summary is based on a 2010 version of the 6th level HUC watershed dataset and tables will not properly join to more recent 6th level HUC versions. CONTIGUOUS US PREVIEW ZIP Geodatabase with HUC 12 polygons 55 KB 592 MB ALASKA ZIP Geodatabase with HUC 12 polygons 54 KB 65 MB HAWAII ZIP Geodatabase with HUC 12 polygons 32 KB 1.3 MB CONTIGUOUS US & ALASKA OVERVIEW XLSX An Excel spreadsheet summarizing NIDRM risk and surveyed pest damage for HUC6 watersheds (2010 version) intersecting US National Forest units is available below. NFS Subwatersheds 14 KB 3 MB return to top 

### Contact

Frank Krist GIS & Spatial Analysis Program Manager Email: fkrist@fs.fed.us return to top

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## Page 2 of 2 FHTET Products - 2012 National Insect and Disease Risk Maps

12 / 3 /201 4 htt p ://www.fs.fed.us/foresthealth/technolo gy/nidrm2012.shtml