St. Catherine's Monastery (fall) Burullus Ringing Station (Autumn 2005) Azraq Wetland Reserve Antikythira Island (spring 1998) Grindul Lupilor Hohenau-Ringelsdorf Portalban (Wald) Gbelce Tonqani Lake Kuyucuk Bird Ringing Station The Ecological Register
global
North America
United States
South America/Africa
Europe
Eurasia
Africa/Australasia
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Acrocephalus arundinaceus (bird): 10 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.