CONTRASTING FISH SIZE DISTRIBUTIONS BETWEEN NEOTROPICAL RUN-OF-RIVER AND STORAGE RESERVOIRS

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GOMES LOUISE CRISTINA; PIANA PITAGORAS AUGUSTO; DE OLIVEIRA SEREIA DIESSE APARECIDA

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF AQUATIC BIOLOGY Year:2018 | Volume:6 | Issue:2 Page(s): 95-103

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Title

CONTRASTING FISH SIZE DISTRIBUTIONS BETWEEN NEOTROPICAL RUN-OF-RIVER AND STORAGE RESERVOIRS

Author(s)

GOMES LOUISE CRISTINA | PIANA PITAGORAS AUGUSTO | DE OLIVEIRA SEREIA DIESSE APARECIDA | Issue Writer Certificate

Keywords

AQUATIC ENVIRONMENTS

DAM

FISH ASSEMBLAGE

SIZE SPECTRUM

Abstract

The spectrum size has been used to assess environmental disturbances and tounderstanding the energy flow in ecosystems. The objective of this work was to investigate if theoperation regimes of reservoirs, including run-of-river and storage systems, interfere with thebiomass spectra of fish fauna. We tested the hypothesis that the run of river reservoirs present higherproportions of large individuals than storage system. Samplings of fish fauna were carried outbetween January 2005 and December 2007 at six Neotropical reservoirs belonging to the sub-basinIguaçu River and Coastal basin in São Jorge River, Brazil. The spectrum calculation was performedusing the Pareto type I continuous distribution model. Reservoirs operated under run-of-river regimehad significantly higher values than those operated under storage regimes. This study has elucidatedsome impacts of reservoir operating regime on biomass spectra and indicated differences in sizespectra of FISH ASSEMBLAGEs among the sampled reservoirs. Therefore, it is important to incorporatemanagement plans that take DAM operating mode into account so that conservation of aquatic fauna, especially fish, is more effective.

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APA: Copy

GOMES, LOUISE CRISTINA, PIANA, PITAGORAS AUGUSTO, & DE OLIVEIRA SEREIA, DIESSE APARECIDA. (2018). CONTRASTING FISH SIZE DISTRIBUTIONS BETWEEN NEOTROPICAL RUN-OF-RIVER AND STORAGE RESERVOIRS. INTERNATIONAL JOURNAL OF AQUATIC BIOLOGY, 6(2 ), 95-103. SID. https://sid.ir/paper/709053/en

Vancouver: Copy

GOMES LOUISE CRISTINA, PIANA PITAGORAS AUGUSTO, DE OLIVEIRA SEREIA DIESSE APARECIDA. CONTRASTING FISH SIZE DISTRIBUTIONS BETWEEN NEOTROPICAL RUN-OF-RIVER AND STORAGE RESERVOIRS. INTERNATIONAL JOURNAL OF AQUATIC BIOLOGY[Internet]. 2018;6(2 ):95-103. Available from: https://sid.ir/paper/709053/en

IEEE: Copy

LOUISE CRISTINA GOMES, PITAGORAS AUGUSTO PIANA, and DIESSE APARECIDA DE OLIVEIRA SEREIA, “CONTRASTING FISH SIZE DISTRIBUTIONS BETWEEN NEOTROPICAL RUN-OF-RIVER AND STORAGE RESERVOIRS,” INTERNATIONAL JOURNAL OF AQUATIC BIOLOGY, vol. 6, no. 2 , pp. 95–103, 2018, [Online]. Available: https://sid.ir/paper/709053/en

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