yield per recruit
The expected lifetime yield per fish of a specific age (e.g., per age 2 individual). For a given exploitation pattern, rate of growth, and natural mortality, an expected equilibrium value of Y/R can be calculated for each level of F.

Fisheries — dictionary. . 2004.

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  • yield-per-recruit — the expected lifetime yield per fish of a specific age (or the average recruit), e.g. per age 2 individual. Abbreviated as Y/R. For a given exploitation pattern, fishing regime, rate of growth and natural mortality, an expected equilibrium value… …   Dictionary of ichthyology

  • yield per recruit — The expected lifetime yield per fish of a specific age (e.g., per age 2 individual). For a given exploitation pattern, rate of growth, and natural mortality, an expected equilibrium value of Y/R can be calculated for each level of F …   Fisheries — dictionary

  • yield-per-recruit analysis — analysis of how growth, natural mortality, and fishing interact to determine the best size of the fish at which to start fishing them, and the most appropriate level of fishing mortality. The yield per recruit models do not consider the… …   Dictionary of ichthyology

  • yield-per-recruit analysis — Analysis of how growth and natural mortality interact to determine the best size of animals to harvest; e.g. it may be more beneficial economically for fish to be caught when they are young and plentiful, or when older and larger but reduced in… …   Fisheries — dictionary

  • maximum yield-per-recruit — maximum expected lifetime yield per fish recruited in the stock …   Dictionary of ichthyology

  • fecundity-per-recruit — the total fecundity, e.g. number of eggs, produced of a cohort (or age class) during its entire lifespan, or by a total stock in one year, divided by the number of recruits to that stock or at the origin of the cohort. Obtained from an analytical …   Dictionary of ichthyology

  • High-yield investment program — A High Yield Investment Program (HYIP) is a type of Ponzi Scheme, which is an investment scam. At one time, HYIP was used in the financial services sector to refer to an investment program which may have offered a high return on investment. The… …   Wikipedia

  • F0.1 — F 0.1;(F zero point one) the fishing mortality rate at which the marginal yield per recruit, i.e. the increase in yield per recruit in weight for an increase in one unit of fishing mortality, is only 10 percent of the marginal yield per recruit… …   Dictionary of ichthyology

  • Overfishing — Atlantic cod stocks were severely overfished in the 1970s and 1980s, leading to their abrupt collapse in 1992 Overfishing …   Wikipedia

  • F0.1 — The fishing mortality rate at which the increase in yield per recruit in weight for an increase in a unit of effort is only 10 percent of the yield per recruit produced by the first unit of effort on the unexploited stock (i.e., the slope of the… …   Fisheries — dictionary

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