A geographic information system improves aerial sketch mapping for the spruce budworm
A. Steven Munson, Bruce Warren Morse, William B. White, Nicolet National Forest (Wis.), United States. Forest Pest Management. Methods Application Group, Nicolet National Forest (Agency : U.S.)
U.S. Dept. of Agriculture, Forest Service, Forest Pest Management, Methods Application Group, 1985 - Science - 9 pages
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Abies balsamea aerial sketch mapping aerial survey and/or annual aerial Aspen-White Spruce Balsam Fir Birch Balsam Fir-Aspen Collins color coded damage surveys delineate eastern spruce budworm evaluation Figure final map Fir-Norway Spruce White flight lines Forest Pest Management forest recreation map geographic information system GIS generated maps GIS produced map glauca Host types inch individual stand located Map Overlay mortality National Forest Type Nicolet National Forest nonhost observer navigation Overlay and Statistical Paper Birch Balsam pest activity pest damage pilot and observer Poletiraber 40-69 polygon poorly defined areas recorded Sawtimber over 70 sketch mapping survey spruce budworm defoliation Spruce White Spruce-Balsam Spruce-Balsam Fir-Norway Spruce stand boundaries stand data theme stand identification number stand maps STAND TYPE stands contained stands susceptible Statistical System MOSS Stocking Density Surface water features survey for spruce susceptible stands susceptible to spruce timber stand tool tree USDA Forest Service WELUT white spruce White Spruce-Balsam Fir-Norway Wisconsin