Detection of bias in observer-based estimates of retained and discarded catches from a multi species trawl fishery

Author: Liggins G.W.   Bradley M.J.   Kennelly S.J.  

Publisher: Elsevier

ISSN: 0165-7836

Source: Fisheries Research, Vol.32, Iss.2, 1997-11, pp. : 133-147

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Abstract