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Article summary:
| Keywords | zooplankton, Pantanal, Rotifera, Cladocera, Copepoda |
| Abstract | In the present study, two small lakes on the margins of the River Cuiaba were analyzed regarding taxonomic composition and population densities of the zooplankton. Diversity was evaluated for two groups, Rotifera and Cladocera; sampling was carried out on two dates: 2 March 1999, in the rainy season, and 25 August 1999, in the dry season. Seventy-nine rotifer taxa, 30 cladoceran taxa, and 6 copepod taxa were found. Comparing the species identified in the present study with those recorded by other authors for several water bodies in Mato Grosso and Mato Grosso do Sul states, it was found that 9 species of Cladocera, 2 of Copepoda, and 14 of Rotifera are new records for the region. The most abundant rotifer species were Keratella cochlearis, Brachionus angularis, Polyarthra vulgaris, and Keratella americana. Moina minuta and Bosminopsis deitersi were dominant among the cladocerans, and Notodiaptomus transitans and N. devoyorum among the copepods. Comparing both lakes, the greatest species richness of both Rotifera and Cladocera was observed in Lake Souza Lima, during the rainy season. This is probably linked to the fact that the littoral region of this lake is densely colonized by macrophytes. The lake also has better environmental conditions since it does not receive domestic sewage inputs, as does Lake Parque Atalaia. The diversity of the Rotifera was markedly low in Lake Parque Atalaia, during the dry season, again perhaps linked domestic sewage input found in this water body. |
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| Included Refrences | 58 References (List...) |
| Cited by other Articles | 1 Citations (List...) |
| Name | Affiliation | Home page | Total pubs | |
| Neves IF | 1 | |||
| Pinto AA | 1 | |||
| Rocha O | Departamento de Ecologia e Biologia Evolutiva, Universidade Federal de Sao Carlos – UFSCar, Via Washington Luis, Km 235, CP 676, CEP 13565-905, Sao Carlos, SP, Brazil | doro@power.ufscar.br | 33 | |
| Roche KF | Departamento de Hidraulica e Transportes, Centro de Ciencias Exatas e Tecnologia – CCET, Universidade Federal de Mato Grosso do Sul – UFMS, Cidade Universitaria, CP 549, CEP 79070-900, Campo Grande, MS, Brazil | 2 |
| Pub Type | Full Citation | |
| Journal | Pinto-Coelho RM, Bezerra-Neto JF, Morais-Jr CA: "Effects of eutrophication on size and biomass of crustacean zooplankton in a tropical reservoir", Brazilian Journal of Biology 65 (2) : 325-338 (May 2005) | Summary |
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