TABLE 3.

Morphological characteristics of caged mussels.

Site	CF	SFT	GSI	DGI	Lethality time (days)
OVF1	0.57 0.04	0.15 ± 0.01	0.23 ± 0.05	0.144 ± 0.02	11 ± 4
OVF2	0.55 0.02	0.18 ± 0.005	0.155 ± 0.007	0.121 ± 0.007	7 ± 1.3
UPS	0.53 0.03	0.17 ± 0.007	0.16 ± 0.01	0.11 ± 0.004	9.3 ± 2
DOWNS	0.54 0.03	0.20 ± 0.01*	0.27 ± 0.04	0.14 ± 0.01	8.4 ± 2

CF, condition factor; SFT, soft tissue weight ratio; GSI, gonadosomatic index; DGI, digestive gland index. *statistically significantly different from the upstream site