from Chapter II of Spatial Analysis of Ecological Factors Related to Grasshopper Population Dynamics in Wyoming
Additional Fig. Spatial distribution of rangeland grasshopper outbreaks in Wyoming from 1980 to 1989 (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; black = state and county borders).
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