Changes in catchability of cod, haddock, and whiting associated with the Scottish seine-net fleet
- 1 January 1985
- journal article
- research article
- Published by Oxford University Press (OUP) in ICES Journal of Marine Science
- Vol. 42 (2) , 171-178
- https://doi.org/10.1093/icesjms/42.2.171
Abstract
The catchability coefficient, Q, of cod, haddock, and whiting associated with the Scottish seine-net fleet is examined. Cod and haddock show increasing catchability for the period 1963–1979. The rise in Q is related to the spatial distribution of the fleet as vessels increasingly fish in areas of higher fish abundance. Additionally, for haddock, catchability is related to year-class strength. The utility of catchability trends in the prediction of fishing mortality is discussed.Keywords
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