Spatial and temporal variation of Dona Francisca reservoir (Jacuí river, Rio Grande do Sul State), a subtropical reservoir - doi: 10.4025/actascibiolsci.v34i3.10078

Leon Maximiliano Rodrigues; Albano Schwarzbold; Maria Angélica Oliveira

doi:10.4025/actascibiolsci.v34i3.10078

Spatial and temporal variation of Dona Francisca reservoir (Jacuí river, Rio Grande do Sul State), a subtropical reservoir - doi: 10.4025/actascibiolsci.v34i3.10078

Leon Maximiliano Rodrigues Universidade Estadual do Norte Fluminense
Albano Schwarzbold Universidade Federal do Rio Grande Sul
Maria Angélica Oliveira Universidade Federal de Santa Maria

DOI: https://doi.org/10.4025/actascibiolsci.v34i3.10078

Abstract

The present study examined the behavior of a reservoir located on subtropical latitude (Dona Francisca reservoir). The limnological variables measured were dissolved oxygen, temperature, pH and electric conductivity. Measurements were taken quarterly at different sampling sites along the reservoir. The results indicated the formation of longitudinal zones regarding circulation patterns and stratification, beyond the influence from the water masses of the main tributary. The vertical profiles were obtained. The behavior of the reservoir is similar to others previously studied in the country, but with shorter time-lag stratification and a narrower range, possibly due to the shorter residence time of the water, and to the latitude, where summer is shorter.

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Author Biographies

Leon Maximiliano Rodrigues, Universidade Estadual do Norte Fluminense

Biólogo formado pela Universidade de Santa Cruz do Sul (UNISC). Mestre em Ecologia pela Universidade Federal do Rio Grande do Sul (UFRGS). Forfessor dos cursos Bacharelado em CIências Biológicas e Tecnologia em Gestão Ambiental das Faculdades Anglo-Americano (FAA) e Engenharia Ambiental da Faculdade União das Américas (Uniamérica), ambas de Foz do Iguaçu (PR). Como pesquisador atuando em pesquisas na área da limnologia e monitoramento de riachos e ecologia de fungos decompositores, as quais encontram-se nas suas fases iniciais de estabelecimento.

Albano Schwarzbold, Universidade Federal do Rio Grande Sul

Universidade Federal do Rio Grande Sul – UFRGS, Instituto de Biociências, Departamento de Ecologia, Av. Bento Gonçalves, 9500, CEP 91501-970, Porto Alegre, RS, Brazil

Maria Angélica Oliveira, Universidade Federal de Santa Maria

Universidade Federal de Santa Maria – UFSM, Departamento de Biologia, Av. Roraima, 1000, CEP 97105-900, Santa Maria, RS, Brazil

Published

2012-02-14

How to Cite

Rodrigues, L. M., Schwarzbold, A., & Oliveira, M. A. (2012). Spatial and temporal variation of Dona Francisca reservoir (Jacuí river, Rio Grande do Sul State), a subtropical reservoir - doi: 10.4025/actascibiolsci.v34i3.10078. Acta Scientiarum. Biological Sciences, 34(3), 279-288. https://doi.org/10.4025/actascibiolsci.v34i3.10078

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Issue

Vol 34 No 3 (2012)

Section

Ecology and Limnology

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