rate of natural increase

instantaneous rate of surplus production (equal to rate of growth plus rate of recruitment less rate of natural mortality - all in terms of weight and on an instantaneous basis. In a balanced or equilibrium fishery, this increment replaces what is removed by fishing, and rate of surplus production is numerically equal to rate of fishing (Ricker, 1975))

Dictionary of ichthyology. 2009.

Look at other dictionaries:

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