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      First record of the Asian clam Corbicula fluminea (Müller, 1774) (Bivalvia: Cyrenidae) at Poxim-Açu River, northeastern Brazil Translated title: Primeiro registro de ocorrência de Corbicula fluminea (Müller, 1774) (Bivalvia: Cyrenidae) no rio Poxim-Açu, região nordeste do Brasil

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          Abstract

          Abstract: Aim The objective of this work is to provide a new occurrence record of the Asian clam Corbicula fluminea in the Poxim-Açu River, northeastern Brazil. Methods Samplings were carried out on October 20th of 2016 at five sites along Poxim-Açu River. At each site five samples were taken with a PVC core of 0.25 m of diameter and all individuals found inside core were sorted by hand. Results The species was recorded at all sites with densities ranging from 412±169 to 1692±1474 individuals/m2. Conclusion This record extends the distribution of C. fluminea at northeastern Brazil.

          Translated abstract

          Resumo: Objetivo Esse trabalho tem como objetivo registrar pela primeira vez a presença do berbigão asiático Corbicula fluminea no Rio Poxim-Açu, região nordeste do Brasil. Métodos As amostragens foram realizadas em 20 de outubro de 2016 em cinco pontos ao longo do Rio Poxim-Açu. Em cada ponto foram coletadas cinco amostras com o auxílio de um tudo de PVC (diâmetro de 0,25 m). Todos os indivíduos presentes dentro do tubo foram coletados manualmente. Resultados A espécie esteve presente em todos os pontos amostrais com densidades variando entre 412±169 e 1692±1474 indivíduos/m2. Conclusão Esse registro amplia a distribuição de C. fluminea na região nordeste do Brasil.

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          Most cited references15

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          Distribution of Corbicula fluminea (Müller, 1774) in the invaded range: a geographic approach with notes on species traits variability

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            Corbicula manilensis (Philippi, 1844) molusco asiático, na bacia do rio Jacuí e do Guaíba, Rio Grande do Sul, Brasil (Bivalvia: Corbiculidae)

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              The occurrence of the Asian Clam Corbicula fluminea in the lowe amazon basin

              This paper records for the first time the presence of Corbicula fluminea (Philipi, 1844) in the Brazilian Amazon Basin. This exotic bivalve was found in localities on the Amazonas, Pará and Tocantins rivers. Density and population size structure were measured in some localities. Mean density is between 6.66 and 7.3 individuals m-2. Population size structure and the dates of the first records suggest that the introductions may have occurred between 1997 and 1998. The introductions may have been mediated by ocean-going vessels visiting the ports of Manaus and Belém. The potential impact of the invasion on native freshwater bivalves is discussed along with the need for monitoring and prevention of further introductions of non-indigenous bivalves in Brazil.
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                Author and article information

                Journal
                alb
                Acta Limnologica Brasiliensia
                Acta Limnol. Bras.
                Associação Brasileira de Limnologia (Rio Claro, SP, Brazil )
                2179-975X
                2020
                : 32
                : e22
                Affiliations
                [01] São Cristóvão orgnameUniversidade Federal de Sergipe orgdiv1Departamento de Engenharia de Pesca e Aquicultura orgdiv2Laboratório de Invertebrados Bentônicos Brazil
                [02] São Cristóvã SE orgnameInstituto Federal de Educação orgdiv1Ciência e Tecnologia de Sergipe Brasil
                Article
                S2179-975X2020000100703 S2179-975X(20)03200000703
                10.1590/s2179-975x8019
                6e7049d5-423d-49ef-b453-ebd9edde4045

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 24 September 2019
                : 20 July 2020
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 20, Pages: 0
                Product

                SciELO Brazil

                Categories
                Short Research Notes

                bacia hidrográfica do Rio Sergipe,berbigão asiático,primeiro registro,espécies exóticas,Sergipe River basin,Asian clam,first record,non-native species

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