Fig. 5From: The clam sipho as indicator for growth indices in the soft-shell clam Mya arenaria Gompertz growth model (GGM) for fresh-weight of M. arenaria. The parameters were estimated by computer regression (Statistica 6.0) as well as from data obtained from Figs. 3a and 5. Both estimates were equal. For details, see textBack to article page