Finding patterns of distribution for freshwater phytoplankton, zooplankton and fish, by means of parsimony analysis of endemicity

During the last decades, limnological studies on Chilean systems have contributed to know the species composition and main environmental variables of many water bodies distributed over a wide latitudinal interval, from 18º to 53º S. However, we still lack of a comprehensive view about the structure...

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Autores principales:	OYANEDEL,J. PABLO, VEGA-RETTER,CAREN, SCOTT,SERGIO, HINOJOSA,LUIS FELIPE, RAMOS-JILIBERTO,RODRIGO
Lenguaje:	English
Publicado:	Sociedad de Biología de Chile 2008
Materias:	limnology lakes plankton biogeography Chile CCA
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2008000200004
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spelling	oai:scielo:S0716-078X20080002000042009-01-13Finding patterns of distribution for freshwater phytoplankton, zooplankton and fish, by means of parsimony analysis of endemicityOYANEDEL,J. PABLOVEGA-RETTER,CARENSCOTT,SERGIOHINOJOSA,LUIS FELIPERAMOS-JILIBERTO,RODRIGO limnology lakes plankton biogeography Chile CCA During the last decades, limnological studies on Chilean systems have contributed to know the species composition and main environmental variables of many water bodies distributed over a wide latitudinal interval, from 18º to 53º S. However, we still lack of a comprehensive view about the structure and functioning of regional freshwaters. In this work we review the available information about pelagic biota from Chilean basins, in order to reveal patterns of species distribution and their possible association with environmental variables. We built presence-absence matrices for phytoplankton, zooplankton and fish over lakes and basins. From this database, we performed parsimony analysis of endemicity as a tool for determining fundamental distribution patterns of freshwater biota. Also, we assessed the relationship between species occurrences and some available site-related variables. Our results indicated that latitude exerted the strongest influence on species distribution, although altitude, longitude, and area also exerted significant effects for some groups. On the other hand, our results suggest a relationship between the degree of vagility of the groups and the degree of metacommunity structuring, related to the number of endemicity areas.info:eu-repo/semantics/openAccessSociedad de Biología de ChileRevista chilena de historia natural v.81 n.2 20082008-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2008000200004en10.4067/S0716-078X2008000200004
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	limnology lakes plankton biogeography Chile CCA
spellingShingle	limnology lakes plankton biogeography Chile CCA OYANEDEL,J. PABLO VEGA-RETTER,CAREN SCOTT,SERGIO HINOJOSA,LUIS FELIPE RAMOS-JILIBERTO,RODRIGO Finding patterns of distribution for freshwater phytoplankton, zooplankton and fish, by means of parsimony analysis of endemicity
description	During the last decades, limnological studies on Chilean systems have contributed to know the species composition and main environmental variables of many water bodies distributed over a wide latitudinal interval, from 18º to 53º S. However, we still lack of a comprehensive view about the structure and functioning of regional freshwaters. In this work we review the available information about pelagic biota from Chilean basins, in order to reveal patterns of species distribution and their possible association with environmental variables. We built presence-absence matrices for phytoplankton, zooplankton and fish over lakes and basins. From this database, we performed parsimony analysis of endemicity as a tool for determining fundamental distribution patterns of freshwater biota. Also, we assessed the relationship between species occurrences and some available site-related variables. Our results indicated that latitude exerted the strongest influence on species distribution, although altitude, longitude, and area also exerted significant effects for some groups. On the other hand, our results suggest a relationship between the degree of vagility of the groups and the degree of metacommunity structuring, related to the number of endemicity areas.
author	OYANEDEL,J. PABLO VEGA-RETTER,CAREN SCOTT,SERGIO HINOJOSA,LUIS FELIPE RAMOS-JILIBERTO,RODRIGO
author_facet	OYANEDEL,J. PABLO VEGA-RETTER,CAREN SCOTT,SERGIO HINOJOSA,LUIS FELIPE RAMOS-JILIBERTO,RODRIGO
author_sort	OYANEDEL,J. PABLO
title	Finding patterns of distribution for freshwater phytoplankton, zooplankton and fish, by means of parsimony analysis of endemicity
title_short	Finding patterns of distribution for freshwater phytoplankton, zooplankton and fish, by means of parsimony analysis of endemicity
title_full	Finding patterns of distribution for freshwater phytoplankton, zooplankton and fish, by means of parsimony analysis of endemicity
title_fullStr	Finding patterns of distribution for freshwater phytoplankton, zooplankton and fish, by means of parsimony analysis of endemicity
title_full_unstemmed	Finding patterns of distribution for freshwater phytoplankton, zooplankton and fish, by means of parsimony analysis of endemicity
title_sort	finding patterns of distribution for freshwater phytoplankton, zooplankton and fish, by means of parsimony analysis of endemicity
publisher	Sociedad de Biología de Chile
publishDate	2008
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2008000200004
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Finding patterns of distribution for freshwater phytoplankton, zooplankton and fish, by means of parsimony analysis of endemicity

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