Distribuição e abundância relativa da Anomalocardia brasiliana (Gmelin, 1791) na Praia de Mangue Seco, Pernambuco, Brasil

Abstract

The species Anomalocardia brasiliana is a marine bivalve mollusk that has great economic and social importance to artisanal fisheries in the Brazilian coast. This study aimed to evaluate the distribution and abundance of Anomalocardia brasiliana in Mangue Seco beach, Pernambuco, Brazil, estimating and relating the characteristics of temperature, salinity and sediment grain size with the distribution and abundance of species. The study area comprises 90% sand, salt has up to 37 for the month of January and a minimum of 26 months to June, as the highest temperature was found in the month of December/2010 (37.6 ° C) and the lowest June/2010 month (24 ° C). The highest average value of individuals collected in Mangue Seco beach was 263.6 org. / M² for the month of December/2010 and lowest for the month was 127.38 with January/2011 org. / M², the values of average length found for the region over the study show that in the month of lowest density was the lowest average length of about 16.5 ± 5.7 mm, a fact that may be related to an increased stress on the stock due to increased demand for meat from A. brasiliana.