Ictiofauna del arroyo La Choza, cuenca del río de la Reconquista (Buenos Aires, Argentina)

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As part of the project “Global changes in river systems: effects on biodiversity, food web and system functioning” fish community of La Choza stream was initially estimated and then compared with existing literature of pampean plain streams. From May 2007 to June 2008 five fish samples were taken in...

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Autores principales: Colautti, Darío César, Maroñas, Miriam Edith, Sendra, Eduardo Daniel, Protogino, Lucila Cristina, Brancolini, Florencia, Campanella, Daniela
Formato: Articulo
Lenguaje:Español
Publicado: 2009
Materias:
Ciencias Naturales
Buenos Aires (Argentina)
arroyos pampásicos
diversidad específica
ocurrencia relativa
ictiofauna
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/68191
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-68191
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Español
topic Ciencias Naturales
Buenos Aires (Argentina)
arroyos pampásicos
diversidad específica
ocurrencia relativa
ictiofauna
spellingShingle Ciencias Naturales
Buenos Aires (Argentina)
arroyos pampásicos
diversidad específica
ocurrencia relativa
ictiofauna
Colautti, Darío César
Maroñas, Miriam Edith
Sendra, Eduardo Daniel
Protogino, Lucila Cristina
Brancolini, Florencia
Campanella, Daniela
Ictiofauna del arroyo La Choza, cuenca del río de la Reconquista (Buenos Aires, Argentina)
topic_facet Ciencias Naturales
Buenos Aires (Argentina)
arroyos pampásicos
diversidad específica
ocurrencia relativa
ictiofauna
description As part of the project “Global changes in river systems: effects on biodiversity, food web and system functioning” fish community of La Choza stream was initially estimated and then compared with existing literature of pampean plain streams. From May 2007 to June 2008 five fish samples were taken in two sampling stations. Species occurrence, diversity (H´) and evenness (J) were estimated. Similarity in species composition with ten pampean streams was performed using cluster analysis. 2935 specimens collected represented 23 species (13 permanent, 7 semi-permanent and 3 occasional) and 10 families. Characiformes and Siluriformes were dominant. Although species richness was similar in both sites, diversity index was higher at downstream station. Differences between stations could be related to channel shape, bottom profile and sediment type. The cluster analysis showed that position of the water course within the basin and pollution are both important in the ichthyofauna composition determination.
format Articulo
Articulo
author Colautti, Darío César
Maroñas, Miriam Edith
Sendra, Eduardo Daniel
Protogino, Lucila Cristina
Brancolini, Florencia
Campanella, Daniela
author_facet Colautti, Darío César
Maroñas, Miriam Edith
Sendra, Eduardo Daniel
Protogino, Lucila Cristina
Brancolini, Florencia
Campanella, Daniela
author_sort Colautti, Darío César
title Ictiofauna del arroyo La Choza, cuenca del río de la Reconquista (Buenos Aires, Argentina)
title_short Ictiofauna del arroyo La Choza, cuenca del río de la Reconquista (Buenos Aires, Argentina)
title_full Ictiofauna del arroyo La Choza, cuenca del río de la Reconquista (Buenos Aires, Argentina)
title_fullStr Ictiofauna del arroyo La Choza, cuenca del río de la Reconquista (Buenos Aires, Argentina)
title_full_unstemmed Ictiofauna del arroyo La Choza, cuenca del río de la Reconquista (Buenos Aires, Argentina)
title_sort ictiofauna del arroyo la choza, cuenca del río de la reconquista (buenos aires, argentina)
publishDate 2009
url http://sedici.unlp.edu.ar/handle/10915/68191
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