Fisheries dictionary

SPAWNING STOCK BIOMASS

spawning stock biomass: translation

(SSB)
The total weight of all sexually mature fish in the population. This quantity depends on year class abundance, the exploitation pattern, the rate of growth, fishing and natural mortality rates, the onset of sexual maturity and environmental conditions.

  1. spawning stock biomass—spawning stock biomass translationthe total weight of the fish in a stock that are old enough to spawn the biomass of all fish beyond the age or size class in which of t...Dictionary of ichthyology