Guadiana River (1999) Kushiro Marsh (Quadrat F1) River Ray Bosco della Fontana (Site 2, adults) Castel Porziano Kurupelit The Ecological Register
Sympetrum striolatum (odonate): 6 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.