Mangrove oyster (Crassostrea spp.) (Sacco, 1897) extractivism in Cananéia estuary (São Paulo, Brazil) from 1999 to 2006: capture and management evaluation

Brazilian Journal of Biology

Jt. Mendonça²  Ic. Machado¹ 

[1] ,Secretaria da Agricultura e Abastecimento do Estado de São Paulo Instituto de Pesca Cananéia SP ,Brazil

关键词: Crassostrea spp.;    mangrove oyster;    CPUE;    extractivism;    fishery co-management;    Crassostrea spp.;    ostra de mangue;    CPUE;    extrativismo;    comanejo pesqueiro;   

DOI  :  10.1590/S1519-69842010000100010

来源: SciELO

【 摘 要 】

The oyster Crassostrea spp. is one of the main fisheries resources in the southern portion of São Paulo State. This paper aims to evaluate the extractivism of that resource, supplying subsidies to the implementation of management regulations. This study was developed in Cananéia, from February 1999 to December 2006. The oyster production data in dozens was obtained through weekly or monthly interviews. The annual and average CPUE in dozens per day was analysis to verify significant differences along years. There are no regulations that limit the fishing effort or organize the admission in the fishermen. The admission is controlled by the condition of the market and there is a risk of increasing the fishing effort above the sustainable yield, which demands measures that control the number of fishermen enganged in the activity. Those measures, to be effective, must be created in discussion with the fisheries sector, based on technical information.

【 授权许可】

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