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Title

Spear fishing in the Balearic Islands (west central Mediterranean): species affected and catch evolution during the period 1975–2001

AuthorsColl, Josep ; Linde, Marta ; García-Rubies, Antoni ; Riera, Francesc; Grau, Antoni Maria
KeywordsTemporal evolution
Overfishing
Spear fishing
Rocky littoral fisheries
Catch per unit of effort
Issue Date2004
PublisherElsevier
CitationFisheries Research 70 : 97–111 (2004)
AbstractCatch and effort records of spear fishing competitions since 1975, in the Balearic Islands, have been used as a tool to study the temporal evolution of rocky littoral fishery resources. Competition spear fishing affected over 30 species, among which the most abundant were Diplodus sargus, Symphodus tinca, Labrus merula and Mugilidae. A decreasing trend over time for the mean CPUE (kg fisherman−1 h−1) was shown. Epinephelus marginatus was a key species in the evolution of the CPUE, since individuals weighing more than 4 kg diminished drastically after 1987. The species recorded as largest specimens clearly changed since this date, showing a serial depletion process. These results taken as a whole describe a situation of overfishing for some target fish inhabiting rocky bottoms between 0 and 40 m. Both recreational and competition spear fishing seem to have had an important effect on these resources and probably contributed to the lack of profitability of some traditional and highly selective fishing gears.
Description15 páginas, 5 tablas, 6 figuras
Publisher version (URL)http://dx.doi.org/10.1016/j.fishres.2004.05.004
URIhttp://hdl.handle.net/10261/136155
DOI10.1016/j.fishres.2004.05.004
ISSN0165-7836
Appears in Collections:(CEAB) Artículos
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