Welder Wildlife Refuge (open chaparral) Charles Darwin Ecological Refuge (open habitat) Charles Darwin Ecological Refuge (forest habitat) North of Caldwell (open pasture, 1979) Santa Rosa Minimum Critical Size of Ecosystems Project (10 ha forest fragment) Highland Road Observatory Park (March) The Ecological Register
global
North America
United States
South America/Africa
Europe
Eurasia
Africa/Australasia
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Pseudocanthon (scarab beetle): 7 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.