Lagos Lagoon (1004 estate area) Etang de Berre (station 19, October 1972) Etang de Berre (station 19, January 1973) Etang de Berre (station 19, March 1973) The Ecological Register
Mytilus (clam): 4 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.