- G
-
instantaneous rate of growth (a measure of the weight increase, the natural logarithm of the ratio of final weight to initial weight of a fish in a unit of time, usually a year. When applied collectively to all fish of a given age in a stock, the possibility of selective mortality must be considered (Ricker, 1975). The formula is g(Ln(Wt) - Ln(W0))/(t1-t0) where Wt is the weight of the fish after t1 days and W0 is the initial weight)1) G2) gram(me) (0.0022 lb)
Dictionary of ichthyology. 2009.