Cazorla (fruitless season) Cazorla (fruiting season) El Viso St. Catherine's Monastery (spring) Azraq Wetland Reserve Antikythira Island (spring 1998) Piémanson Beach Mumao The Ecological Register
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Sylvia cantillans (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: Herzog et al. 2003 (ER 1261)