La comunidad algal epilítica en hábitat de rabión en un arroyo serrano

Autores
Rodríguez Catanzaro, Ludmila; Luque, E.; Gari, N.
Año de publicación
2014
Idioma
español castellano
Tipo de recurso
artículo
Estado
versión publicada
Descripción
In flowing water habitats areas of turbulent erosion, oxygenated waters and heterogeneity can be distinguished, which are called riffles. The objective of this study was to determine the composition and structure of the epilithic algal community in riffle habitat of Arroyo Achiras (Córdoba, Argentina). Two sampling sites were selected along the longitudinal gradient, one in mountainous zone (A) and another one in piedmont (B). In 2005 and 2006 epilithic samples were collected during periods of low and high waters and physico-chemical and hydraulic variables were measured. At each site algal abundance and frequency were determined. Similarity index, taxonomic richness, species diversity (Shannon) and evenness were calculated. Differences between both zones were analyzed by two-way ANOVAs. A total of 175 taxa were determined. The greatest similarity (67%) was observed between high and low water hydrological periods at site B. Ochrophyta dominated over the other algal divisions. The highest algal density was recorded at site B during the period of low water. Significant differences between sites and hydrological periods were observed in all biological parameters, except for abundance.
Facultad de Ciencias Naturales y Museo
Materia
Ciencias Naturales
comunidad acuática
stream; periphyton; epilithic algae; riffle
arroyo; perifiton; algas epilíticas; rabión
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-nd/4.0/
Repositorio
SEDICI (UNLP)
Institución
Universidad Nacional de La Plata
OAI Identificador
oai:sedici.unlp.edu.ar:10915/53505
Acceder
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network_name_str SEDICI (UNLP)
spelling La comunidad algal epilítica en hábitat de rabión en un arroyo serranoRodríguez Catanzaro, LudmilaLuque, E.Gari, N.Ciencias Naturalescomunidad acuáticastream; periphyton; epilithic algae; rifflearroyo; perifiton; algas epilíticas; rabiónIn flowing water habitats areas of turbulent erosion, oxygenated waters and heterogeneity can be distinguished, which are called riffles. The objective of this study was to determine the composition and structure of the epilithic algal community in riffle habitat of Arroyo Achiras (Córdoba, Argentina). Two sampling sites were selected along the longitudinal gradient, one in mountainous zone (A) and another one in piedmont (B). In 2005 and 2006 epilithic samples were collected during periods of low and high waters and physico-chemical and hydraulic variables were measured. At each site algal abundance and frequency were determined. Similarity index, taxonomic richness, species diversity (Shannon) and evenness were calculated. Differences between both zones were analyzed by two-way ANOVAs. A total of 175 taxa were determined. The greatest similarity (67%) was observed between high and low water hydrological periods at site B. Ochrophyta dominated over the other algal divisions. The highest algal density was recorded at site B during the period of low water. Significant differences between sites and hydrological periods were observed in all biological parameters, except for abundance.Facultad de Ciencias Naturales y Museo2014info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionArticulohttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdf175-187http://sedici.unlp.edu.ar/handle/10915/53505spainfo:eu-repo/semantics/altIdentifier/url/http://www.bacuatica.org/index.php/bacuatica/article/view/32info:eu-repo/semantics/altIdentifier/issn/1668-4869info:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-nd/4.0/Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)reponame:SEDICI (UNLP)instname:Universidad Nacional de La Platainstacron:UNLP2025-10-22T16:46:28Zoai:sedici.unlp.edu.ar:10915/53505Institucionalhttp://sedici.unlp.edu.ar/Universidad públicaNo correspondehttp://sedici.unlp.edu.ar/oai/snrdalira@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:13292025-10-22 16:46:29.084SEDICI (UNLP) - Universidad Nacional de La Platafalse
dc.title.none.fl_str_mv La comunidad algal epilítica en hábitat de rabión en un arroyo serrano
title La comunidad algal epilítica en hábitat de rabión en un arroyo serrano
spellingShingle La comunidad algal epilítica en hábitat de rabión en un arroyo serrano
Rodríguez Catanzaro, Ludmila
Ciencias Naturales
comunidad acuática
stream; periphyton; epilithic algae; riffle
arroyo; perifiton; algas epilíticas; rabión
title_short La comunidad algal epilítica en hábitat de rabión en un arroyo serrano
title_full La comunidad algal epilítica en hábitat de rabión en un arroyo serrano
title_fullStr La comunidad algal epilítica en hábitat de rabión en un arroyo serrano
title_full_unstemmed La comunidad algal epilítica en hábitat de rabión en un arroyo serrano
title_sort La comunidad algal epilítica en hábitat de rabión en un arroyo serrano
dc.creator.none.fl_str_mv Rodríguez Catanzaro, Ludmila
Luque, E.
Gari, N.
author Rodríguez Catanzaro, Ludmila
author_facet Rodríguez Catanzaro, Ludmila
Luque, E.
Gari, N.
author_role author
author2 Luque, E.
Gari, N.
author2_role author
author
dc.subject.none.fl_str_mv Ciencias Naturales
comunidad acuática
stream; periphyton; epilithic algae; riffle
arroyo; perifiton; algas epilíticas; rabión
topic Ciencias Naturales
comunidad acuática
stream; periphyton; epilithic algae; riffle
arroyo; perifiton; algas epilíticas; rabión
dc.description.none.fl_txt_mv In flowing water habitats areas of turbulent erosion, oxygenated waters and heterogeneity can be distinguished, which are called riffles. The objective of this study was to determine the composition and structure of the epilithic algal community in riffle habitat of Arroyo Achiras (Córdoba, Argentina). Two sampling sites were selected along the longitudinal gradient, one in mountainous zone (A) and another one in piedmont (B). In 2005 and 2006 epilithic samples were collected during periods of low and high waters and physico-chemical and hydraulic variables were measured. At each site algal abundance and frequency were determined. Similarity index, taxonomic richness, species diversity (Shannon) and evenness were calculated. Differences between both zones were analyzed by two-way ANOVAs. A total of 175 taxa were determined. The greatest similarity (67%) was observed between high and low water hydrological periods at site B. Ochrophyta dominated over the other algal divisions. The highest algal density was recorded at site B during the period of low water. Significant differences between sites and hydrological periods were observed in all biological parameters, except for abundance.
Facultad de Ciencias Naturales y Museo
description In flowing water habitats areas of turbulent erosion, oxygenated waters and heterogeneity can be distinguished, which are called riffles. The objective of this study was to determine the composition and structure of the epilithic algal community in riffle habitat of Arroyo Achiras (Córdoba, Argentina). Two sampling sites were selected along the longitudinal gradient, one in mountainous zone (A) and another one in piedmont (B). In 2005 and 2006 epilithic samples were collected during periods of low and high waters and physico-chemical and hydraulic variables were measured. At each site algal abundance and frequency were determined. Similarity index, taxonomic richness, species diversity (Shannon) and evenness were calculated. Differences between both zones were analyzed by two-way ANOVAs. A total of 175 taxa were determined. The greatest similarity (67%) was observed between high and low water hydrological periods at site B. Ochrophyta dominated over the other algal divisions. The highest algal density was recorded at site B during the period of low water. Significant differences between sites and hydrological periods were observed in all biological parameters, except for abundance.
publishDate 2014
dc.date.none.fl_str_mv 2014
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Articulo
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://sedici.unlp.edu.ar/handle/10915/53505
url http://sedici.unlp.edu.ar/handle/10915/53505
dc.language.none.fl_str_mv spa
language spa
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.bacuatica.org/index.php/bacuatica/article/view/32
info:eu-repo/semantics/altIdentifier/issn/1668-4869
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by-nc-nd/4.0/
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-nd/4.0/
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
dc.format.none.fl_str_mv application/pdf
175-187
dc.source.none.fl_str_mv reponame:SEDICI (UNLP)
instname:Universidad Nacional de La Plata
instacron:UNLP
reponame_str SEDICI (UNLP)
collection SEDICI (UNLP)
instname_str Universidad Nacional de La Plata
instacron_str UNLP
institution UNLP
repository.name.fl_str_mv SEDICI (UNLP) - Universidad Nacional de La Plata
repository.mail.fl_str_mv alira@sedici.unlp.edu.ar
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score 12.982451

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