ASPEUTS OB STRESS IN THE TROPICAL U R I N E ENVIRONMENT
247
0
10
20
30
.301
Ternperature-'C
FIO. 27. Relation to temperature of the ooeffloient of variation of the peroentage of
growth ooourring after sexual maturity.
by McMillan (Weymouth and McMillan, 1931) for Siliqua patula. Miss
H. D. Albertson (personal communication) has shown that stress
associated with low salinity increases the coefficient of variation of the
upper thermal death point of Nassariw vibex. However, Stevenson and
Dickie (1964) found that i n P b p e c t e n magellanicus the coefficient of
0
10
20
30
.4
Temperature -OC
Fro. 28. Relation to temperature of the ooeffloient of variation of the growth rate
of bivalves.