Delta Waterfowl Research Station Fort Necessity National Battlefield North of Madison Churchill (1952) Birds Hill (Plot 1, 1979) Prince Albert Model Forest Upper Susitna River Basin Glenn Dale Bald Range (old growth) Patuxent Wildlife Research Refuge Durham County MacIntyre Development (forest habitats) LaBiche River Valley The Ecological Register
global
North America
United States
South America/Africa
Europe
Eurasia
Africa/Australasia
•
•
•
•
•
•
•
•
•
•
•
•
•
Microtus pennsylvanicus (rodent): 13 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.