Size distributions and sex ratios of sharks caught by Oman's artisanal fishery

作者: A C Henderson , J L McIlwain , H S Al-Oufi , S Al-Sheile , N Al-Abri

DOI: 10.2989/AJMS.2009.31.2.11.883

关键词:

摘要: Oman's fishery resources are exploited by artisanal and industrial fisheries, but the former accounts for almost 90% of landings. Within fishery, sharks have traditionally been harvested their flesh, development a valuable export market shark fin has led to increased utilisation this resource, anecdotal information suggests that abundance decreased in recent years. Whereas management is desirable, biological socio-economical data on which base any plan lacking. The present study was undertaken collect size frequency sex ratio from species most commonly encountered landings, namely Carcharhinus falciformis, C. limbatus, macloti, sorrah, lago omanensis, Loxodon macrorhinus, Rhizoprionodon acutus Sphyrna lewini. occurrence large female combined with high proportion juveniles certain species, species-specif...

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