Fish species diversity in headwaters streams of Paraguay and Paraná Basins

Súarez, Yzél Rondon; Valério, Sabrina Bigatão; Tondado, Karina Keyla; Florentino, Alexandro Cezar; Felipe, Thiago Rota Alves; Ximenes, Lidiani Queli Lubas; Lourenço, Luzia da Silva

doi:10.1590/s1516-89132007000700014

Cited by 15 publications

(12 citation statements)

References 27 publications

(26 reference statements)

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The relatively high richness of Siluriformes is correlated with the characteristics of the habitat. The higher numbers of environments with riffles and rocks bottoms, as well as streamside vegetation (grasses) submerged in some reaches, favors the occurrence of individuals belonging to this taxon (Súarez et al 2007;Araújo et al 2011;Pagotto et al 2011). The other orders recorded (Gymnotiformes, Cyprinodontiformes, Perciformes and Synbranchiformes) are widely distributed in Brazilian hydrographic basins, and generally show lower species diversity (Langeani et al 2007;Oliveira et al 2009;Cetra et al 2012;Volcan et al 2012).…”

Section: Resultsmentioning

confidence: 99%

Fish fauna of headwater streams of Perobas Biological Reserve, a conservation unit in the Atlantic Forest of the Northwestern Paraná state, Brazil

Delariva

Silva

2013

View full text Add to dashboard Cite

The Perobas Biological Reserve is a Conservation Unit characterized by two physiognomies of the Atlantic Forest: Semideciduous Seasonal Forest and Mixed Ombrophilous Forest. The reserve is situated on a ridge watershed between the basins of the Piquiri and Ivaí rivers, Upper Paraná River and had its fish fauna surveyed for the first time. Fishes were collected quarterly from December 2010 to March 2012, using electrofishing in five stretches of 50 m along the four streams, and gillnets only at one site in December, 2010. A total of 2628 individual were collected, belonging to 34 species in 25 genera, 13 families and six orders. Ten taxa may be new species or part of a complex of species within each genus, and requiring more detailed taxonomic revisions. Nine species are the first records for the Piquiri river basin.

show abstract

Section: Resultsmentioning

confidence: 99%

Fish fauna of headwater streams of Perobas Biological Reserve, a conservation unit in the Atlantic Forest of the Northwestern Paraná state, Brazil

Delariva

Silva

2013

View full text Add to dashboard Cite

show abstract

“…This dominance of these families in the Iguaçu basin was also found by Baumgartner et al (2012). Environments with rocky substrates, and grassy margins with series of pools (Súarez et al 2007;Ferreira et al 2010;Araújo et al 2011;Pagotto et al 2011) favour fast swimmers (e.g., Astyanax spp. and Bryconamericus spp.)…”

Section: Discussionmentioning

confidence: 99%

Inventory of the ichthyofauna from the Jordão and Areia river basins (Iguaçu drainage, Brazil) reveals greater sharing of species than thought

Frota¹,

Gonçalves²,

Deprá³

et al. 2016

View full text Add to dashboard Cite

Recent sampling on fish from the headwaters of the Jordão and Areia rivers, combined with collection databases and specialized literature reports, yielded the first species inventory. Both basins reflect the high endemism rate associated with the Iguaçu River. However, four species previously thought to be restricted to the Jordão River basin are now known to also occur in the basin of the Areia River: Astyanax jordanensis Vera Alcaraz, Pavanelli & Bertaco, 2009; Characidiumtravassosi Melo, Buckup & Oyakawa, 2016; Jenynsia diphyes Lucinda, Ghedotti & Graça, 2006; and Trichomycterus igobi Wosiacki & de Pinna, 2008. This suggests an ancestral connection between the tributaries of the Jordão and Areia rivers, with putative drainage rearrangements resulting from the uplift of the Serra da Esperança. The endemic fauna of this region is presently threatened by invasive species, the construction of dams, and other human activities.

show abstract

“…Moreover, the rainy season is also the reproduction period for many tropical species when there is an increase in abundance, especially of young in the streams (Casatti, 2005;Súarez et al, 2007). Reach 2 with its lower abundance in the rainy season may be due to a sampling artifact, since there are limitations to the collecting methodology used in deeper localities, as is the case with this reach in rainy periods.…”

Section: Discussionmentioning

confidence: 99%

Influence of the riparian zone phytophysiognomies on the longitudinal distribution of fishes: evidence from a Brazilian savanna stream

Teresa

Romero

2010

Neotrop. ichthyol.

View full text Add to dashboard Cite

The structure and composition of a fish community in a tributary stream of the Aquidauana River, located in the plateau region of the Paraguay River basin, central west Brazil are described, with special attention to the differential effects of the phytophysiognomies of the Cerrado (a tropical savanna), which are predominant in riparian zones all along their longitudinal gradient. A total of 1,166 individuals belonging to 44 species were captured. Similarity analyses of composition and abundance showed two groups: upstream reaches (R1 and R2) and downstream reaches (R3, R4 and R5), which presented 85.8% of the average dissimilarity. Although physical habitat and physicochemical descriptors varied along the longitudinal gradient of the Correntes stream, shoreline vegetation was the most important environmental feature predicting fish structure and composition. The Mantel test revealed a correlation between shoreline vegetation structure and fish composition and quantitative structure of the fish community (R > 0.65; p < 0.04). This relationship is driven by the prevalence of species occupying microhabitats associated with shoreline vegetation in contact with water in upstream reaches. Structural differences in shoreline vegetation along the longitudinal gradient correspond to the phytophysiognomic dichotomy observed in the Correntes stream, where riparian vegetation is made up of wet grassland upstream and of gallery forest downstream; this reinforces the importance of the phytophysiognomic heterogeneity of the Cerrado in maintaining ichthyofauna diversity.São descritas a estrutura e composição da comunidade de peixes em um riacho afluente do rio Aquidauana, localizado na região planáltica da bacia do rio Paraguai, centro-oeste do Brasil, com atenção especial aos efeitos diferenciais das fitofisionomias de Cerrado predominantes nas zonas ripárias ao longo do seu gradiente longitudinal. Foram capturados 1.166 indivíduos pertencentes a 44 espécies. As análises de similaridade com a composição e abundância evidenciaram dois grupos: os trechos a montante (R1 e R2) e trechos a jusante (R3, R4 e R5), os quais apresentaram 85,8% de dissimilaridade média. Embora os descritores fisico-químicos e do habitat físico tenham variado ao longo do gradiente longitudinal do córrego Correntes, a vegetação marginal foi o componente ambiental mais importante predizendo a estrutura e composição da ictiofauna. O teste de Mantel revelou correlação entre a estrutura da vegetação marginal com a composição e estrutura quantitativa da comunidade de peixes (R > 0.65; p < 0.04). Essa relação é representada pela prevalência de espécies que exploram micro-habitats associados à vegetação marginal em contato com a água nos trechos a montante. As diferenças na estrutura da vegetação marginal ao longo do gradiente longitudinal correspondem à dicotomia fitofisionômica observada no córrego Correntes, cuja vegetação marginal é constituída de campos úmidos à montante e por fisionomias florestais nos trechos à jusante, reforçando a importância da hetero...

show abstract

Fish species diversity in headwaters streams of Paraguay and Paraná Basins

Abstract: ABSTRACT

Cited by 15 publications

References 27 publications

Fish fauna of headwater streams of Perobas Biological Reserve, a conservation unit in the Atlantic Forest of the Northwestern Paraná state, Brazil

Fish fauna of headwater streams of Perobas Biological Reserve, a conservation unit in the Atlantic Forest of the Northwestern Paraná state, Brazil

Inventory of the ichthyofauna from the Jordão and Areia river basins (Iguaçu drainage, Brazil) reveals greater sharing of species than thought

Influence of the riparian zone phytophysiognomies on the longitudinal distribution of fishes: evidence from a Brazilian savanna stream

Contact Info

Product

Resources

About