Sandrock Cliff (spring) Sandrock Cliff (fall) William Trelease Woods (gap, spring) Calling Lake (treatment) Calling Lake (control) Clayhead Preserve The Ecological Register
global
North America
United States
South America/Africa
Europe
Eurasia
Africa/Australasia
•
•
•
•
•
•
Oporornis agilis (bird): 6 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.