instantaneous rate of growth
The natural logarithm of the ratio of final weigl1t 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.

Fisheries — dictionary. . 2004.

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  • 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 …   Dictionary of ichthyology

  • instantaneous rate of growth — The natural logarithm of the ratio of final weigl1t 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 …   Fisheries — dictionary

  • 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… …   Fisheries — dictionary

  • 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… …   Fisheries — dictionary

  • 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… …   Dictionary of ichthyology

  • instantaneous rate of recruitment — Number of fish that grow to catchable size per short interval of time, divided by the number of catchable fish already present at that time. Usually given on a yearly basis: that is, the figure just described is divided by the fraction of a year… …   Fisheries — dictionary

  • instantaneous rate of recruitment — Number of fish that grow to catchable size per short interval of time, divided by the number of catchable fish already present at that time. Usually given on a yearly basis: that is, the figure just described is divided by the fraction of a year… …   Fisheries — dictionary

  • instantaneous rate of recruitment — number of fish that grow to catchable size per short interval of time, divided by the number of catchable fish already present at that time. Usually given on a yearly basis, i.e. the figure just described is divided by the fraction of a year… …   Dictionary of ichthyology

  • 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… …   Dictionary of ichthyology

  • average annual instantaneous size-specific growth rate — a method for comparing growth rates of fish of equivalent size instead of equivalent age. The average annual instantaneous growth rate (the average of individual log fork length at age n + 1 minus log fork length at age n) is plotted against the… …   Dictionary of ichthyology

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