Variação espacial e temporal de larvas de Odonata associadas com macrófitas aquáticas em duas lagoas da planície de inundação do alto rio Paraná, Brasil

Gilza Maria de Souza Franco; Alice Michyio Takeda

doi:10.4025/actascibiolsci.v24i0.2282

Spatial and temporal variation of Odonata larvae associated with macrophytes in two floodplain lakes from the upper Paraná River, Brazil

Authors

Gilza Maria de Souza Franco Universidade Comunitária Regional de Chapecó Author
Alice Michyio Takeda UEM Author

DOI:

https://doi.org/10.4025/actascibiolsci.v24i0.2282

Keywords:

Odonata, macrofitas aquáticas, planície de inundação, lagos de várzea, rio Paraná

Abstract

Samples of aquatic macrophytes were collected on Guaraná (Eichhornia azurea) and Patos (E. crassipes and E. azurea) Lakes from March 1992 to February 1993. On Guaraná Lake the highest density and diversity were registered during the high water phase with dominance of Telebasis and Acanthagrion, while on Patos Lake, highest density and diversity were observed during the low water phase. The dominant taxa on Patos Lake were Telebasis, Acanthagrion, Neoneura (?),Coryphaeschna adnexa, Miathyria, Diastatops intensa and Erythemis. DCA and ANOVA differentiated Patos Lake mainly, because of the high abundance of C. adnexa, Miathyria, D. intensa and Erythemis which may be due to morphology of E. crassipes that shelters larger number of invertebrates. Water level variation of rivers influenced concentration of dissolved oxygen and pH. This variation was related the monthly fluctuation of larvae density. Difference between lakes shown in DCA analysis was chiefly due to variation of Odonata density.

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Author Biography

Gilza Maria de Souza Franco, Universidade Comunitária Regional de Chapecó

Possui graduação em Ciências Biológicas pela Universidade Estadual de Maringá (1994), MESTRADO em Ecologia de Ambientes Aquáticos Continentais pela Universidade Estadual de Maringá (1999) e DOUTORADO em Ecologia de Ambientes Aquáticos Continentais pela Universidade Estadual de Maringá (2003). Atualmente é professora titular da Universidade Comunitária Regional de Chapecó (Unochapecó), atuando, principalmente no curso de Graduação em Ciências Biológicas e no Mestrado em Ciências Ambientais da Unochapecó (Coordenadora do Programa Stricto Sensu). Experiência em Ecologia, com ênfase em Ecologia de Ecossistemas Aquáticos, atuando no monitoramento limnológico de rios e reservatórios, com enfoque nas comunidades aquáticas, bioindicadores e Ictiologia Currículo Lattes

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Published

2008-05-13

Issue

Vol. 24 (2002)

Section

Biology Sciences

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How to Cite

Spatial and temporal variation of Odonata larvae associated with macrophytes in two floodplain lakes from the upper Paraná River, Brazil. (2008). Acta Scientiarum. Biological Sciences, 24, 345-351. https://doi.org/10.4025/actascibiolsci.v24i0.2282