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U.S. Forest Service
Caring for the land and serving people

United States Department of Agriculture

GIS & Spatial Analysis

Data and Application Development

In addition to maintaining a national IDS spatial database, the GIS and Spatial Analysis program frequently develops or sponsors the construction of datasets that aid FHP Regions and Field Office personnel in conducting assessments of forest health. Examples of these data include the production of GIS layers depicting forest attributes, such as basal area (BA) (done in collaboration with FHAAST’s Remote Sensing and Image Analysis program, and the development of a soil drainage and productivity index for determining the relative amount of water and nutrients available to plants.

With the growing need to conduct complex spatial analysis and manage large datasets, the GIS and Spatial Analysis program has developed applications to aid in data management, analysis, and distribution.

2013-2027 National Insect and Disease Composite Risk Map by Subwatersheds Map

2013-2027 National Insect and Disease Composite Risk Map by Subwatersheds Map

Our Applications

Forest Pest Conditions screen capture

Forest Pest Conditions

Explore county level maps of major forest insect and disease conditions throughout the United States.

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Forest Disturbance Monitor screen capture

Forest Disturbance Monitor

View, threshold, and download recent forest disturbance maps.

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Forest Health Advisory System screen capture

Forest Health Advisory System

Explore forest health in places of interest to you such as National Forests and Parks, Tribal Lands, and U.S. Fish and Wildlife units.

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National Insect and Disease Risk Map screen capture

National Insect & Disease Risk Map

View layers from the National Insect and Disease Risk Map (NIDRM).


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Individual Tree Species Parameter Maps screen capture

Individual Tree Species Parameter Maps

View individual tree species parameter layers that were generated for use as base data for the NIDRM 2013-2027 product.
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Soil Drainage Index and Productivity Index screen capture

Soil Drainage and Productivity Indexes

Identify soil wetness and productivity as a potential indicator of tree stress and thus risk to various forest insects and diseases.

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IDS Explorer screen capture

IDS Explorer

The IDS Explorer application has been retired for now but the IDS Data is available for download.

View IDS Data

Data Summaries screen capture

Data Summaries

Review, query, and download tables with acre summaries from the Insect and Disease Survey (IDS) database.

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AFPE Database screen capture

AFPE Database

Track state and county level reports of non-native forest insect and diseases.

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Early Detection Rapid Response screen capture

Early Detection Rapid Response

Create, edit and query the (EDRR) database which is designed to detect non-native bark and ambrosia beetles.

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