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Northern Prairie Wildlife Research Center

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Regional Trends of Biological Resources — Grasslands


Figure 1 --- Potential vegetation types in the central grasslands.
Figure 2 --- Extent of historical prairie grasses of the Great Plains.
Figure 3 --- Tall-grass prairie.
Figure 4 --- Mixed-grass prairie in Nebraska Sandhills.
Figure 5 --- Short-grass prairie in Laramie Plain, Wyoming.
Figure 6 --- Importance of coevolution between grazing and native prairie bird distributions and abundances.
Figure 7 --- Prairie wetlands, showing the zonation of wetland plant communities.
Figure 8 --- The prairie pothole region of the northern Great Plains.
Figure 9 --- Upper California Crossing, Oregon Trail, Fort Sedgewick (Ovid), Colorado 1900(a) and 1990(b).
Figure 10 -- Fire plays a major role in prairie dynamics.
Figure 11 -- The Dakota skipper, a rare prairie butterfly.
Figure 12 -- The prairie mole cricket an unusual and rare prairie species.
Figure 13 -- A mountain plover, an endemic bird species of the short-grass prairie.
Figure 14 -- Distribution and trends of selected grassland bird species in the U.S. and Canada.
Figure 15 -- A bison herd in southwestern South Dakota.
Figure 16 -- Priority landscapes of biological significance in the Great Plains.
Figure 17 -- Confluence of the turbid waters of the Yellowstone and the clear waters of the Missouri.
Figure 18 -- Black Hills: Cathedral Spires, South Dakota.
Figure 19 -- Arikaree River, Colorado.
Figure 20 -- Rainwater Basin, Nebraska.
Figure 21 -- Upper Cimmaron Mesas: Lasa, Mesa de Maya, Colorado, Cobert Mesa.
Figure 22 -- Texas Hill Country; San Marcos River, Texas.
Figure 23 -- Platte River with sandhill cranes.

Tall-grass Prairie Butterflies and Birds:

Duck Plague: Emergence of a New Cause of Waterfowl Mortality:

Population Trends for Prairie Pothole Carnivores:

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