Efectos sociales, económicos y ambientales en el proceso de extracción y comercialización del recurso Anadara tuberculosa (Sowerby 1833) en el cantón San Lorenzo, provincia de Esmeraldas

Abstract

This study analysed the economic, social and environmental impacts by catch and commercialization of black ark (Anadara tuberculosa) in San Lorenzo, Esmeraldas. Fishermen and traders, as well as two databases which contain information about sampling and confiscation acts, value’s chains, production volume and mobilization were analysed for this purpose. The Environmental effects identified were assessed finally. The results of this study show 17 environmental elements are affected by 49 significant effects, it consider that 81% fishermen catch black ark below the 4.5 cm LT (regulatory size), while 83% of dealers buy and commercialize it. In addition, 93% of fishermen gets low income by the black ark caught and they have little access to quality basic services, so that they eliminates solid and liquid wastes improperly and its effects reach to the mangrove habitat's black ark as such as other species. This study reveal need to implement measures for improve the management and sustainable development about mangrove and the black ark resource in that site.