North of Stillwater (heavily grazed grassland, March) Seymour (1939, Plot A) The Ecological Register
global
North America
United States
South America/Africa
Europe
Eurasia
Africa/Australasia
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Microtus ochrogaster (rodent): 2 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.