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Stream ichthyofauna of the Tapajós National Forest, Pará, Brazil.

Silva-Oliveira C, Canto AL, Ribeiro FR - Zookeys (2016)

Bottom Line: Sampling resulted in 3035 specimens belonging to 117 species, 27 families and six orders.A significant dissimilarity was observed in fish species composition among drainage systems.Abstract available from the publisher.

View Article: PubMed Central - HTML - PubMed

Affiliation: Programa de Pós-Graduação em Recursos Aquáticos Continentais Amazônicos, Instituto de Ciências e Tecnologia das Águas, Universidade Federal do Oeste do Pará. Rua Vera Paz, s/n 68035-110 Santarém, Pará, Brazil.

ABSTRACT
The fish fauna of freshwater streams in the Tapajos National Forest was surveyed and a list of species is presented. The sampling was conducted from 2012 to 2013 during the dry season. Fish were collected with dip nets and seine nets in 22 streams of 1(st) to 3(rd) order. Sampling resulted in 3035 specimens belonging to 117 species, 27 families and six orders. The most abundant species were Bryconops aff. melanurus, Hemigrammus belottii, and Hemigrammus analis. Four undescribed species were recognized, one of which is known only from the area of this study. A significant dissimilarity was observed in fish species composition among drainage systems. This is the first survey of the stream ichthyofauna in the Tapajós National Forest, and it presents relevant information for future studies and decision-making in the management and conservation of fish fauna in this conservation unit.

No MeSH data available.


Sampled streams in the Tapajós National Forest, Pará State, Brazil.
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Figure 2: Sampled streams in the Tapajós National Forest, Pará State, Brazil.

Mentions: Twenty-two streams of 1st to 3rd order were sampled (Fig. 2) during the dry season from September 2012 to November 2013. Nine streams belong to the Curuá-Una river system, six drain into the Cupari River, and seven flow directly in the Tapajós River (Table 1). Fish sampling followed a part of the protocol proposed by Mendonça et al. (2005), in which a 50-m section of each sampled stream was blocked with fine-mesh nets (5 mm between opposite knots). After blocking a section, two collectors were actively sampling for about two hours using dip nets and seine nets.


Stream ichthyofauna of the Tapajós National Forest, Pará, Brazil.

Silva-Oliveira C, Canto AL, Ribeiro FR - Zookeys (2016)

Sampled streams in the Tapajós National Forest, Pará State, Brazil.
© Copyright Policy - creative-commons-attribution
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4829951&req=5

Figure 2: Sampled streams in the Tapajós National Forest, Pará State, Brazil.
Mentions: Twenty-two streams of 1st to 3rd order were sampled (Fig. 2) during the dry season from September 2012 to November 2013. Nine streams belong to the Curuá-Una river system, six drain into the Cupari River, and seven flow directly in the Tapajós River (Table 1). Fish sampling followed a part of the protocol proposed by Mendonça et al. (2005), in which a 50-m section of each sampled stream was blocked with fine-mesh nets (5 mm between opposite knots). After blocking a section, two collectors were actively sampling for about two hours using dip nets and seine nets.

Bottom Line: Sampling resulted in 3035 specimens belonging to 117 species, 27 families and six orders.A significant dissimilarity was observed in fish species composition among drainage systems.Abstract available from the publisher.

View Article: PubMed Central - HTML - PubMed

Affiliation: Programa de Pós-Graduação em Recursos Aquáticos Continentais Amazônicos, Instituto de Ciências e Tecnologia das Águas, Universidade Federal do Oeste do Pará. Rua Vera Paz, s/n 68035-110 Santarém, Pará, Brazil.

ABSTRACT
The fish fauna of freshwater streams in the Tapajos National Forest was surveyed and a list of species is presented. The sampling was conducted from 2012 to 2013 during the dry season. Fish were collected with dip nets and seine nets in 22 streams of 1(st) to 3(rd) order. Sampling resulted in 3035 specimens belonging to 117 species, 27 families and six orders. The most abundant species were Bryconops aff. melanurus, Hemigrammus belottii, and Hemigrammus analis. Four undescribed species were recognized, one of which is known only from the area of this study. A significant dissimilarity was observed in fish species composition among drainage systems. This is the first survey of the stream ichthyofauna in the Tapajós National Forest, and it presents relevant information for future studies and decision-making in the management and conservation of fish fauna in this conservation unit.

No MeSH data available.