2012
DOI: 10.1590/s1679-62252012005000012
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Identification of fish nursery areas in a free tributary of an impoundment region, upper Uruguay River, Brazil

Abstract: This study aims to determine the importance of different environments of the Ligeiro River (upper Uruguay River, Brazil) in fish reproduction. For this purpose, three environments (sampling sites) were selected: rapids, a pool, and the mouth of the Ligeiro River. Ichthyoplankton, zooplankton, and benthos were sampled six times per month from September, 2006 to March, 2007. Zooplankton and ichthyoplankton samples were collected early in the evening with plankton nets (64 µm and 500 µm, respectively). Benthos s… Show more

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Cited by 16 publications
(15 citation statements)
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References 24 publications
(26 reference statements)
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“…Studies have confirmed the existence of spawning in the region (Reynalte-Tataje et al, 2008a;Hermes-Silva et al, 2009), and more recently, Silva et al (2012) observed local growth and spawning of fish in a tributary located in this region.…”
Section: Introductionmentioning
confidence: 71%
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“…Studies have confirmed the existence of spawning in the region (Reynalte-Tataje et al, 2008a;Hermes-Silva et al, 2009), and more recently, Silva et al (2012) observed local growth and spawning of fish in a tributary located in this region.…”
Section: Introductionmentioning
confidence: 71%
“…In developing fish stock management and conservation activities, studies involving the first stages of the life cycle of fish are of great importance because the detection of certain stages of their life cycle serves as an indicator of environmental conditions (Copp et al, 1991;Penczak, 1994), as well as helps locating the habitats used by different species in the environment (Silva et al, 2012).…”
Section: Introductionmentioning
confidence: 99%
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