Welder Wildlife Refuge (open chaparral) Welder Wildlife Refuge (1985) The Ecological Register
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Onthophagus shaefferi (scarab beetle): 2 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.
Current reference: Sainz-Borgo 2016 (ER 2762)