Fish, lower Ivinhema River basin streams, state of Mato Grosso do Sul, Brazil | Zendy

Yzél Rondon Súarez | Zendy

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Fish, lower Ivinhema River basin streams, state of Mato Grosso do Sul, Brazil

Author(s) -

Yzél Rondon Súarez

Publication year - 2008

Publication title -

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Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.276

H-Index - 22

ISSN - 1809-127X

DOI - 10.15560/4.3.226

Subject(s) - streams , tributary , drainage basin , structural basin , species richness , fish <actinopterygii> , geography , hydrology (agriculture) , environmental science , parana river , ecology , fishery , geology , biology , floodplain , geomorphology , cartography , computer network , geotechnical engineering , computer science

The Ivinhema River basin is one of the main tributaries of the western portion of Parana River. However, few data are available on the fish communities of its streams. Monthly samples were made in seven streams of the lower portion of the basin, in the state of Mato Grosso do Sul, using a rectangular sieve 1.2 x 0.8 m, with 2 mm mesh size. Forty-six fish species were found in these streams. The richness estimated according to the bootstrap procedure was 50 species. At least two of the captured species were not previously recorded for the upper Parana basin, indicating the need of new sampling effort in this region.

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