Hanson La Salle Creek Bog Biological Station Rybachy Rancho Santa Elena Missouri Ozark Forest Ecosystem Project (1998) China Creek Park Tantramar Marshes Podocarpus National Park The Ecological Register
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Spinus (bird): 8 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.
Current reference: Shotwell 1968 (ER 3992)