Blackbeard Island Cumberland Island East of Arapaho Prairie Arapaho Prairie Welder Wildlife Refuge (open chaparral) Welder Wildlife Refuge (1985) Purple Springs Grazing Reserve A Purple Springs Grazing Reserve B Purple Springs Grazing Reserve C The Ecological Register
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North America
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Europe
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Canthon pilularius (scarab beetle): 9 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.