Guadiana River (2003) Banana Island (adults) Bosco della Fontana (Site 2, adults) Canal de Vergières Cañaveroso stream Sirch River Rispana Kurupelit The Ecological Register
Onychogomphus (odonate): 8 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.