Uso de armadilha sintética para pesca sustentável de camarão amazônico (macrobrachium amazonicum) no município de Mazagão, Amapá

Abstract

In the Amazon, Macrobrachium amazonicum is the main commercially exploited freshwater shrimp in the states of Pará and Amapá for artisanal fishing. In the municipality of Mazagão, in the state of Amapá the crustacean is greatly appreciated by the local population. Matapi is a cylindrical trap, usually produced with jupati palm splint, and is used to catch shrimp in Amazonian rivers. The synthetic matapi, compared to the traditional one, recycles plastic materials avoiding the extraction of natural resources for its manufacture. Thus, the aim of this study was to analyze the efficiency of traditional and synthetic traps in shrimp harvesting in the Foz do Rio Mazagão Velho community, Mazagão, Amapá. Data were collected in August 2018 and March and April 2019. For one time each month1 kg of shrimp was given by fishermen from different traps (traditional and synthetic) for analysis at the IEPA Fishery Resources laboratory, where they were measured and measured. heavy. The results indicated that traditional traps capture individuals of all sizes, while synthetic traps capture larger shrimps in larger abundance, well above the first maturity size specified in the literature. The profitability was higher when caught with traditional traps. Shrimps were significantly larger and heavier in synthetic traps, both males and females were larger and heavier in synthetic traps. Females prevailed in the sexual proportion. Thus, the traditional trap catches more shrimp than the synthetic trap, generating greater financial profitability, but considering the commercialization value of large prawns and the biological factor of reproduction and recruitment, synthetic traps are the most suitable for the sustainability of fishing