Regional Trends of Biological Resources — Grasslands
Tables
Table 1 -- Summary of Prairie Grass
Areas and Decline
Table 2 -- Reptiles and Amphibians
by Habitat
Table 3 -- Population Changes in Grassland
Birds
Wetland Birds in the Northern Great Plains:
- Table 1 -- Densities of Breeding Wetland Birds
- Table 2 -- Breeding Bird Populations in North Dakota
- Table 3 -- Trends from the U.S. Geological Survey for the Central Region
Waterfowl in the Prairie Pothole Region:
- Table 1 -- Breeding Population Estimates for Prairie Pothole Ducks
- Table 2 -- Breeding Populations of 10 Prairie Pothole Duck Species
Duck Plague: Emergence of a New Cause of Waterfowl Mortality:
- Table 1 -- Classification of Waterfowl Involved in the Duck Plague
- Table 2 -- Status of Duck Plague in the United States
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