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Fisheries — dictionary
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1. The fraction of a fish population which lives in regions where it is susceptible to fishing during a given fishing season. This fraction receives recruits from or becomes mingled with the non-available part of the stock at other seasons, or in other years. (Any more or less completely isolated segment of the population is best treated as a separate stock.)
2. Catch per unit of effort.

Оригинал статьи 'availability' на сайте Словари и Энциклопедии на Академике