A comercializa??o de pescado nas feiras livres de Feira de Santana- BA: concentra??o de elementos tra?os em camar?es (litopenaeus vannamei) oriundos da Ba?a de Todos os Santos

• Ano de defesa: 2017
• Autor(a) principal: Santos, Thaise do Nascimento
• Orientador(a): Carvalho, Carlos Eduardo Veiga de
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Estadual de Feira de Santana
• Programa de Pós-Graduação: Mestrado em Modelagem em Ci?ncia da Terra e do Ambiente
• Departamento: DEPARTAMENTO DE CI?NCIAS BIOL?GICAS
• País: Brasil
• Palavras-chave em Português: Crust?ceos; Feira livre; Elementos tra?os; Ba?a de Todos os Santos
• Palavras-chave em Inglês: Crustaceans; Open market; Trace elements
• Área do conhecimento CNPq: CIENCIAS EXATAS E DA TERRA::GEOCIENCIAS
• Link de acesso: http://localhost:8080/tede/handle/tede/568

Estuaries and coastal regions are widely used environments for the disposal of urban and industrial effluents, causing contamination of waters and marine life by several pollutants, among them trace elements, considered as one of the most important contaminants, and may be associated with Organic and inorganic solids in the aquatic environment. In the Bay of All Saints (BTS) region, despite the pockets of contamination in the rivers and estuaries that feed it, fishing activities are intense and rely on a variety of fish, including fish, crustaceans and mollusks that are intended for subsistence Of riverside communities or to commerce in surrounding cities, such as the municipality of Feira de Santana-BA. As a result, this study aimed to identify the commercialization dynamics of fish in the free fairs of Feira de Santana-BA and to evaluate the concentration of trace elements in shrimps (Litopenaeus vannamei) from the BTS. For this, a research was initially conducted at the free fairs of Feira de Santana to identify the most traded species at fairs and their origin. The results identified that the most popular species at the fairs are: tilapia (Oreochromis niloticus), corvinas (Micropogonias furnieri) and shrimps (Litopenaeus vannamei) respectively, but only crustaceans and molluscs originate from BTS fishing communities. The analysis of trace element concentrations performed later with Litopenaeus vannamei showed high levels of Fe and Mn in the tissues, but only Cr and Pb levels exceeded the limits of ANVISA for inorganic contaminants in foods. Significant differences were found between the exoskeleton and muscle tissues and between stages of young and adult maturity.