Zooplankton composition, dominance and abundance as indicators of environmental compartmentalization in Jurumirim Reservoir (Paranapanema River), São Paulo, Brazil

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dc.contributor.authorNogueira, M. G.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:53:46Z
dc.date.available2014-05-20T13:53:46Z
dc.date.issued2001-07-01
dc.description.abstractSpatial and temporal patterns in the distribution of the zooplankton in a large tropical reservoir were investigated for a year. The zooplankton was sampled at 10 limnetic stations. Rotifera were richest in number of species and individuals, especially in transitional river-lake zones. They were dominant during the summer in nine sampling stations, and decreased in spring. The main species were Polyarthra vulgaris, Keratella americana, K. cochlearis and Conochilus unicornis. Polyarthra vulgaris was widely distributed. Keratella was more abundant at upstream stations, and a dense population of C. unicornis was observed in a lateral, sheltered compartment. Among copepods, Calanoida were more abundant in spring and Cyclopoida in autumn. Longitudinal gradients in the Calanoida/Cyclopoida relation were observed, with the predominance of Cyclopoida at upstream sampling stations and Calanoida in more lacustrine zones towards the dam. Notodiaptomus iheringi, Thermocyclops minutus and T. decipiens were the main species. Diaphanosoma birgei, the most abundant cladoceran, mainly occurred in lacustrine zones, while Moina minuta was more abundant at riverine sampling stations, generally in association with Bosminopsis deitersi. Peaks of tintinnid protozoans were observed in upstream zones during summer and spring.en
dc.description.affiliationUniv Estadual Paulista Julio Mesquita Filho, Inst Biociencias, Dept Zool, BR-18618000 Botucatu, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista Julio Mesquita Filho, Inst Biociencias, Dept Zool, BR-18618000 Botucatu, SP, Brazil
dc.format.extent1-18
dc.identifierhttp://dx.doi.org/10.1023/A:1011946708757
dc.identifier.citationHydrobiologia. Dordrecht: Kluwer Academic Publ, v. 455, p. 1-18, 2001.
dc.identifier.doi10.1023/A:1011946708757
dc.identifier.issn0018-8158
dc.identifier.lattes8695790056366967
dc.identifier.urihttp://hdl.handle.net/11449/19202
dc.identifier.wosWOS:000173247400001
dc.language.isoeng
dc.publisherKluwer Academic Publ
dc.relation.ispartofHydrobiologia
dc.relation.ispartofjcr2.165
dc.relation.ispartofsjr0,896
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjecttropical reservoirspt
dc.subjectlarge reservoirspt
dc.subjectzooplanktonpt
dc.subjectspatial distributionpt
dc.subjecttemporal distributionpt
dc.subjectBrazilpt
dc.titleZooplankton composition, dominance and abundance as indicators of environmental compartmentalization in Jurumirim Reservoir (Paranapanema River), São Paulo, Brazilen
dc.typeArtigo
dcterms.licensehttp://www.springer.com/open+access/authors+rights
dcterms.rightsHolderKluwer Academic Publ
unesp.author.lattes8695790056366967
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Biociências, Botucatupt

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Artigos - Zoologia - IBB