Influence of environmental variables on the distribution of intertidal porcellanid crabs in Sepetiba Bay, Rio de Janeiro, Brazil

This study aims to assess the distribution patterns of porcellanid crabs in the intertidal zone of Sepetiba Bay, Rio de Janeiro, Brazil, identifying the abiotic determinants. Samples were collected seasonally (dry and rainy seasons) from January 2005 to August 2007, during low tides in external, int...

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Autores principales:	de Mattos,Luciana A, Mendes,Luziane M.D, Bedê,Luciane M, da Costa,Tiago V, Oshiro,Lidia M.Y
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2014
Materias:	porcellanids crustaceans intertidal zone organic matter sediments Sepetiba Bay
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2014000500005
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spelling	oai:scielo:S0718-560X20140005000052015-11-12Influence of environmental variables on the distribution of intertidal porcellanid crabs in Sepetiba Bay, Rio de Janeiro, Brazilde Mattos,Luciana AMendes,Luziane M.DBedê,Luciane Mda Costa,Tiago VOshiro,Lidia M.Y porcellanids crustaceans intertidal zone organic matter sediments Sepetiba Bay This study aims to assess the distribution patterns of porcellanid crabs in the intertidal zone of Sepetiba Bay, Rio de Janeiro, Brazil, identifying the abiotic determinants. Samples were collected seasonally (dry and rainy seasons) from January 2005 to August 2007, during low tides in external, intermediate and internal sectors. The crabs were hand caught in consolidated substrates with sampling effort of two people in three different flood zones (lower, medium and higher) for 30 min. Water temperature, salinity, accumulated rainfall, the physical and chemical variables of sediment were analyzed concerning interaction in the distribution patterns of the species. A total of 3,389 crabs, belonging to five genera and eight species, were obtained. With the exception of Petrolisthes armatus, found throughout the intertidal range, all species inhabited the intertidal bottom of Sepetiba Bay exclusively. Favorable environmental conditions of the Sepetiba Bay enabled the success of colonization of several porcellanid species which are a refuge and feeding environment of the Marambaia Island and continental (Junqueira and Ibicuí) of the outer zone. The number of species recorded in this study supporting the hypothesis that features of substratum and the availability of food and refuges are factors limiting the establishment of this family in Sepetiba Bay.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.42 n.5 20142014-11-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2014000500005en10.3856/vol42-issue5-fulltext-5
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	porcellanids crustaceans intertidal zone organic matter sediments Sepetiba Bay
spellingShingle	porcellanids crustaceans intertidal zone organic matter sediments Sepetiba Bay de Mattos,Luciana A Mendes,Luziane M.D Bedê,Luciane M da Costa,Tiago V Oshiro,Lidia M.Y Influence of environmental variables on the distribution of intertidal porcellanid crabs in Sepetiba Bay, Rio de Janeiro, Brazil
description	This study aims to assess the distribution patterns of porcellanid crabs in the intertidal zone of Sepetiba Bay, Rio de Janeiro, Brazil, identifying the abiotic determinants. Samples were collected seasonally (dry and rainy seasons) from January 2005 to August 2007, during low tides in external, intermediate and internal sectors. The crabs were hand caught in consolidated substrates with sampling effort of two people in three different flood zones (lower, medium and higher) for 30 min. Water temperature, salinity, accumulated rainfall, the physical and chemical variables of sediment were analyzed concerning interaction in the distribution patterns of the species. A total of 3,389 crabs, belonging to five genera and eight species, were obtained. With the exception of Petrolisthes armatus, found throughout the intertidal range, all species inhabited the intertidal bottom of Sepetiba Bay exclusively. Favorable environmental conditions of the Sepetiba Bay enabled the success of colonization of several porcellanid species which are a refuge and feeding environment of the Marambaia Island and continental (Junqueira and Ibicuí) of the outer zone. The number of species recorded in this study supporting the hypothesis that features of substratum and the availability of food and refuges are factors limiting the establishment of this family in Sepetiba Bay.
author	de Mattos,Luciana A Mendes,Luziane M.D Bedê,Luciane M da Costa,Tiago V Oshiro,Lidia M.Y
author_facet	de Mattos,Luciana A Mendes,Luziane M.D Bedê,Luciane M da Costa,Tiago V Oshiro,Lidia M.Y
author_sort	de Mattos,Luciana A
title	Influence of environmental variables on the distribution of intertidal porcellanid crabs in Sepetiba Bay, Rio de Janeiro, Brazil
title_short	Influence of environmental variables on the distribution of intertidal porcellanid crabs in Sepetiba Bay, Rio de Janeiro, Brazil
title_full	Influence of environmental variables on the distribution of intertidal porcellanid crabs in Sepetiba Bay, Rio de Janeiro, Brazil
title_fullStr	Influence of environmental variables on the distribution of intertidal porcellanid crabs in Sepetiba Bay, Rio de Janeiro, Brazil
title_full_unstemmed	Influence of environmental variables on the distribution of intertidal porcellanid crabs in Sepetiba Bay, Rio de Janeiro, Brazil
title_sort	influence of environmental variables on the distribution of intertidal porcellanid crabs in sepetiba bay, rio de janeiro, brazil
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2014
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2014000500005
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Influence of environmental variables on the distribution of intertidal porcellanid crabs in Sepetiba Bay, Rio de Janeiro, Brazil

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