Manejo Pesquero Sostenible de Ucides occidentalis (“punche”), recurso hidrobiológico de la Cuenca Baja del Río Lempa, Bahía de Jiquilisco, departamento de Usulután
Keywords:
El Salvador, Usulután, Jiquilisco, Bay, natural, mangrove, ecosystem, Lempa river, artisanal, fisheries, Ucides, occidentalis, sustainable, extraction Local, Plan, Sustainable Management fisheries, fishery, modelsAbstract
A research report of Sustainable Fisheries Management of Ucides occidentalis (“punche”), hydro-biological resources of Rio Lempa downstream, Jiquilisco Bay, Usulutan is presented. This study encompasses the following objectives: to determine the parameters growth and the relationship between the biometric measurements, estimate the probability of capture and mortality rates and recruitment, assess the current rate of resource exploitation and, design a proposal for Sustainable Fisheries Management. The study included analysis of 1,460 individuals, 682 females and 778 males, collected in July-August 2007, February-March 2008, February 2009 - August 2010 and February - April 2012. The average width was 62.15 mm and weight 106.88 g. The ecosystem comprises four sectors: two in the north and two in the south of Izcanal estuary. This species exhibits a negative allometric growth. The recruitment occurs from January to November, but mostly between March and June. The exploitation rate calculated in this study is very close to over-exploitation threshold. An approach of sustainable fisheries management is presented based on biological, ecological and socio-economic levels. Additionally, we propose a local monitoring plan for this specie.
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