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GIS Data Layers
Insect Outbreak Data:
Use policy. These digital maps of historical
forest insect outbreaks are provided freely for the use of researchers.
In the event that the maps themselves or maps derived from them
or analytical results using the maps are used in published works,
we ask two things:
First, please acknowledge use of the maps through citation of our
original publication containing them: D.W.
Williams & R.A. Birdsey. 2003. Historical patterns of spruce
budworm defoliation and bark beetle outbreaks in North American
conifer forests: an atlas and description of digital maps. USDA
Forest Service, Northeastern Research Station, General Technical
Report NE-308, 33 pp. Note that this publication is available
on the Northeastern Research Station web site:
www.fs.fed.us/ne/newtown_square/publications/technical_reports/pdfs/2003/gtrne308.pdf
(This make take a while)
Second, please send us reprints of any publications resulting from
use of the maps. Contact Dr. David Williams with reprints and questions
at USDA APHIS, Pest Survey, Detection & Exclusion Laboratory,
Building 1398, Otis ANGB, MA 02542; david.w.williams@aphis.usda.gov
508-563-9303.
All files are Arc Info Grid/Interchange Files. There are 3 sets
of Data:
Dataset
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Data Files (*.zip)
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Metadata
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Preview Image
(grid data only)
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Eastern
Spruce Budworm (Esbw) Defoliation in Eastern North America 1945-1988
(~5km res.): |
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Mountain
Pine Beetle (Mpb) Outbreaks in Washington Oregon, Idaho, and
Montana 1980-1995 (~2km res.): |
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Western
Spruce Budworm (Wsbw) Defoliation in Washington Oregon, Idaho,
and Montana 1977-1993 (~5km res.): |
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