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Grasshoppers of Wyoming and the West

Precipitation

Ecological Factor Maps

Precipitation

from Chapter III of Spatial Analysis of Ecological Factors Related to Grasshopper Population Dynamics in Wyoming

Vegetation Map | Precipitation Map | Elevation Map | Evapotranspiration Map | Soil Map


Fig. 3. Mean annual precipitation map of Wyoming, adapted from Marston (1990)

Fig. 3. Mean annual precipitation map of Wyoming, adapted from Marston (1990). Dark Blue = >100 cm; light blue = 50-100 cm; Green = 40-50 cm; Yellow = 30-40 cm; Tan = 20-30 cm; Orange = 10-20 cm; black = state and county borders.


Fig. 1 (Updated from the 1960-93 map) Spatial distribution of rangeland   grasshopper outbreaks in Wyoming from 1944 to 1994

Fig. 1 (Updated from the 1960-93 map) Spatial distribution of rangeland grasshopper outbreaks in Wyoming from 1944 to 1994, with no data for 1982, 1983 or 1984 (Schell 1994). White = no recorded infestations; light shading = 1-2 yr infested; dark shading = 3-4 yr infested; purple = 5 yr infested; blue-green = 6-7 yr infested; red = 8-9 yr infested; orange =10-11 yr infested; yellow = 12-21 yr infested; black = state and county borders.


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Scott Schell

Room #9, Agriculture Bldg.

Phone: (307) 766-2508

Email: insectid@uwyo.edu

1000 E. University Ave. Laramie, WY 82071
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