Analysis of size spectra off northwest Africa: a useful indicator in tropical areas? | Zendy

Kim Stobberup | Zendy; C. Inejih | Zendy; Sory Karim Traoré | Zendy; Carlos Augusto de Figueiredo Monteiro | Zendy; Patrícia Amorim | Zendy; Karim Erzini | Zendy

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Analysis of size spectra off northwest Africa: a useful indicator in tropical areas?

Author(s) -

Kim Stobberup,

C. Inejih,

Sory Karim Traoré,

Carlos Augusto de Figueiredo Monteiro,

Patrícia Amorim,

Karim Erzini

Publication year - 2005

Publication title -

ices journal of marine science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 117

eISSN - 1095-9289

pISSN - 1054-3139

DOI - 10.1016/j.icesjms.2005.01.014

Subject(s) - cape verde , fishing , demersal zone , geography , tropics , environmental science , oceanography , fishery , ecology , biology , geology , history , ethnology

Changes in the size spectra of demersal fish communities off Cape Verde (1988, 1994), Guinea (1985-1995), and Mauritania (1987-2001) were studied. Intercepts and slopes showed opposite trends for Guinea and Mauritania, but were relatively stable in spite of a strong increase in landings per unit area. For Cape Verde, there were marked changes in size structure, seemingly inconsistent with the more moderate fishing pressure there. Changes in size structure do not seem to be suitable indicators of the effects of fishing in areas characterized by faster growth rates, small sizes, high species diversity, and complex interrelationships, such as the tropics. (c) 2005 International Council for the Exploration of the Sea. Published by Elsevier Ltd. All rights reserved

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