Stock assessment

Stock assessment means the process of collecting and analyzing biological and statistical information to determine the changes in the abundance of fishery stocks in response to fishing, and, to the extent possible, to predict future trends of stock abundance. Stock assessments are based on resource surveys; knowledge of the habitat requirements, life history, and behavior of the species; the use of environmental indices to determine impacts on stocks; and catch statistics. Stock assessments are used as a basis to assess and specify the present and probable future condition of a fishery (as is required by the Magnuson-Stevens Act), and are summarized in the Stock Assessment and Fishery Evaluation or similar document.


50 CFR § 600.10

Scoping language

Unless defined otherwise in other parts of Chapter VI, the terms in this chapter have the following meanings:

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