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dc.contributor.author
Almirón, Adriana Edith
dc.contributor.author
Garcia, Mirta Lidia
dc.contributor.author
Menni, Roberto Carlos
dc.contributor.author
Protogino, Lucila Cristina
dc.contributor.author
Solari, Lía Cristina
dc.date.available
2020-05-20T19:55:20Z
dc.date.issued
2000-01
dc.identifier.citation
Almirón, Adriana Edith; Garcia, Mirta Lidia; Menni, Roberto Carlos; Protogino, Lucila Cristina; Solari, Lía Cristina; Fish ecology of a seasonal lowland stream in temperate South America; Csiro Publishing; Marine and Freshwater Research; 51; 3; 1-2000; 265-274
dc.identifier.issn
1323-1650
dc.identifier.uri
http://hdl.handle.net/11336/105626
dc.description.abstract
El Pescado (literally ‘the fish’) is a lowland stream in the pampean plain, entering the Rio de La Plata at 35˚55¢S,57˚45¢W, 70 km SW of the city of Buenos Aires. The stream develops as a potamon with variable flood frequency along its 36 km length. The water is slightly soft, with relatively high conductivity and dominance of HCO–3 , Na + and Cl – ions. Three fish families, Characidae (29%), Pimelodidae (14.6%) and Loricariidae (12.8%) are most abundant among 55 species. Differences in species composition among four stations with different environmental traits were observed. Flooding slightly affected the fish fauna. In open-water and rocky-bottom stations, both species number and number of individuals were correlated with conductivity, an indication of the decrease of fish density with floods. Species richness was well over worldwide means. Diversity values, higher than in small tropical streams in Venezuela and southern Brazil, ranged from 0.32 to 2.59, being higher during autumn and spring. The stream has a high persistence, with the composition of the fish community maintained or recovering as soon as flooding ends. One Synbranchus marmoratus specimen was found among rocks, the first record of this behaviour for the species.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Csiro Publishing
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
ICHTHYOLOGY
dc.subject
REPRODUCTIVE PERIOD
dc.subject
FLOODING
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TEMPERATE SOUTH AMERICA
dc.subject.classification
Ecología
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Ciencias Biológicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Fish ecology of a seasonal lowland stream in temperate South America
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-05-11T15:14:41Z
dc.journal.volume
51
dc.journal.number
3
dc.journal.pagination
265-274
dc.journal.pais
Australia
dc.journal.ciudad
Collingwood
dc.description.fil
Fil: Almirón, Adriana Edith. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Zoología de Vertebrados; Argentina
dc.description.fil
Fil: Garcia, Mirta Lidia. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Zoología de Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
dc.description.fil
Fil: Menni, Roberto Carlos. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Zoología de Vertebrados; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
dc.description.fil
Fil: Protogino, Lucila Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Limnología "Dr. Raúl A. Ringuelet". Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Limnología; Argentina
dc.description.fil
Fil: Solari, Lía Cristina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Limnología "Dr. Raúl A. Ringuelet". Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. Instituto de Limnología; Argentina
dc.journal.title
Marine and Freshwater Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.publish.csiro.au/mf/MF98040
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1071/MF98040
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