Fish assemblages and water quality in pampean streams (Argentina) along an urbanization gradient

Puerto, Juan Martín Paredes del; Paracampo, Ariel Hernán; García, Ignacio Daniel; Maiztegui, Tomás; Souza, Javier Garcia de; Maroñas, Miriam Edith; Colautti, Darío César

doi:10.1007/s10750-021-04657-z

Cited by 19 publications

(4 citation statements)

References 78 publications

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“…On the other hand, the other group of species associated with poor water quality was formed by three species already known to be tolerant to pollution (see previous section) however H. argentinensis and S. marmoratus had IndVal scores below 25 % in contrast to C. decemmaculatus which had an IndVal score of 60.95 %. C. decemmaculatus can withstand pollution and is reported as the only species found in the most polluted reaches of the Matanza-Riachuelo basin, the most contaminated basin in the pampean region of Argentina (Paredes del Puerto et al, 2021) In conclusion, our study revealed trends in water quality and fish assemblage structure along a prairie Neotropical stream where reaches located upstream from an urban point-source effluent were more similar, less polluted and less saline than downstream reaches. Some key aspects of Limnetica,43(1): 109-127 (2024) fish assemblage structure accompanied main patterns of changes in water quality.…”

Section: Indicator Speciesmentioning

confidence: 50%

“…Limnetica,43(1): 109-127 (2024) Araujo et al, 2009;Alexandre et al, 2010;Teresa et al, 2015). Conversely, temperate streams have been less explored (Granitto et al, 2016;Crettaz-Minaglia & Juarez, 2020;Paracampo et al, 2020;Paredes del Puerto et al 2021;Bertora et al, 2021aBertora et al, , 2022a. Unlike Neotropical streams at lower latitudes which harbor a highly diversified ichthyofauna, temperate Neotropical streams have fish assemblages represented by a very impoverished subset of species (Ringuelet, 1975;Menni, 2004).…”

Section: Patrones Longitudinales En La Calidad Del Agua Y La Estructu...mentioning

confidence: 99%

“…Just recently, the response of fish fauna at these latitudes to the combined effects of exotic species, river regulation and water quality was assessed (Bertora et al, 2021a). Similarly, major patterns in fish assembla-ges´ structure in relation to urbanization and agricultural activities were also surveyed (Paredes del Puerto et al, 2021;Bertora et al, 2022a). In spite of the relevance of these recent findings mostly derived from case studies in single streams, more evidence is needed to accurately understand fish assemblage patterns at a regional scale.…”

Section: Patrones Longitudinales En La Calidad Del Agua Y La Estructu...mentioning

confidence: 99%

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Longitudinal patterns in water quality and fish assemblage structure in a low-gradient, temperate Neotropical stream disrupted by a point-source urban effluent

Masson¹,

Bertora²,

Rosso³

et al. 2023

Limnetica

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Low-gradient, prairie streams from the Pampa Plain, Argentina, constitute the southernmost geographic occurrence for many Neotropical fish species. Fish assemblages in Neotropical streams have shown drastic responses to the modification of habitat and water quality. Under this scenario it could be hypothesized that the water quality will be influenced by the anthropic activities and the natural conditions and that the ichthyofauna will be responsive. Therefore, understanding the functioning of these ecosystems is crucial for their conservation in a world with ever-growing anthropic pressures. In order to explore patterns in fish assemblage and water quality under urbanization pressure, the Del Azul stream (Buenos Aires, Argentina) was sampled. The objectives of the study were: (1) to explore trends in water quality and fish assemblage structure along the stream, (2) to study the relationship between fish assemblage structure and water quality, and (3) to pinpoint individual species with potential for biomonitoring. Seven sites were selected along the stream, and they were sampled twice during each of five consecutive summer periods. Through the use of multivariate analysis, we revealed trends in water quality and fish assemblage structure where water quality characteristics were more distinctive of a basin sector than the fish species abundances. Irrespective of that, the Indicator Species Analysis evidenced some key species indicative of given groups of sites sharing similar water quality characteristics. Namely, Cnesterodon decemmaculatus was associated to polluted reaches downstream from the point-source urban effluent, and Cheirodon interruptus, Pimelodella laticeps and Oligosarcus jenynsii to lower salinities and less polluted reaches upstream from the point-source urban effluent. All these species could be useful for biomonitoring temperate Neotropical streams.

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Section: Indicator Speciesmentioning

confidence: 50%

Section: Patrones Longitudinales En La Calidad Del Agua Y La Estructu...mentioning

confidence: 99%

Section: Patrones Longitudinales En La Calidad Del Agua Y La Estructu...mentioning

confidence: 99%

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Longitudinal patterns in water quality and fish assemblage structure in a low-gradient, temperate Neotropical stream disrupted by a point-source urban effluent

Masson¹,

Bertora²,

Rosso³

et al. 2023

Limnetica

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show abstract

“…According to Albert (2005) and Daga et al (2012), the input of nutrients through leaching and release of sewage in stream promote alterations in concentration of the total phosphorus, nitrogen, as variations in pH and reduction in oxygen levels, modifying the composition and structure of the ichthyofauna. This is reflected in a high occurrence of tolerant and non-native species to the detriment of native species with specialist habits (DAGA et al, 2012;CAETANO et al, 2016;CAETANO et al, 2021;PAREDES DEL PUERTO et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

The application of fish species as bioindicator in mesohabitats of streams inserted into the upper Paraná River system, Brazil

Barbosa,

Leonardo Ferraz Caetano,

Gabriela Marques da Silva

2024

RevBio

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The objective of this study was to explore the presence of fish species as potential environmental quality indicators in tributaries belonging to the Paranapanema River basin, Upper Parana River System. We also sought to verify the possible occurrence of species associated with mesohabitats that indicate good or poor environmental quality, using the Indicator Value (IndVal) method for such verification. The sample units were distributed in 28 stretches of streams, and 3,103 individuals were collected, distributed in five orders and 33 species, so that Astyanax bockmanni was the most abundant species. Regarding the potential bioindicator, only a total of 13 species showed that they are possible indicators of at least one environmental variable (significance of p <0.05), so that Phalloceros harpagos and Geophagus brasiliensis were associated with high values of Salinity and Total Solids Dissolved, allowing us to observe, in a cautious way, that these species may be associated to environments with high amount of organic and inorganic particles suspended in water, indicating poor environmental quality.

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Impacts of land use and hydrological alterations on water quality and fish assemblage structure in headwater Pampean streams (Argentina)

et al. 2021

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Fish assemblages and water quality in pampean streams (Argentina) along an urbanization gradient

Cited by 19 publications

References 78 publications

Longitudinal patterns in water quality and fish assemblage structure in a low-gradient, temperate Neotropical stream disrupted by a point-source urban effluent

Longitudinal patterns in water quality and fish assemblage structure in a low-gradient, temperate Neotropical stream disrupted by a point-source urban effluent

The application of fish species as bioindicator in mesohabitats of streams inserted into the upper Paraná River system, Brazil

Impacts of land use and hydrological alterations on water quality and fish assemblage structure in headwater Pampean streams (Argentina)

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