2006
DOI: 10.1590/s0073-47212006000300013
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Composición y estructura de la ictiofauna del Río Ceballos-Saldán (Córdoba, Argentina)

Abstract: ABSTRACT. Composition and structure of the icthyofauna of the Ceballos-Saldán River (Córdoba, Argentina). Rivers show a longitudinal gradient from upstream to downstream, with consecutive changes in environmental characteristics and community composition. The main goal of this study was to describe the longitudinal variations in the characteristics of the fish fauna of CeballosSaldán River. Fish collection was performed at five sites along the river, before and after the main cities. Fish assemblages were desc… Show more

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Cited by 4 publications
(2 citation statements)
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“…This makes it difficult to determine whether scarcity of native species in study streams can be attributed to salmonid impacts or whether they are more related to zoogeographic barriers and environmental limitations. In the Ceballos stream for example where salmonids have not been yet recorded T. corduvensis is widely distributed with high abundance (Juncos et al, 2006). Clearly more information should be gathered by increasing the number of sampled streams within different orders, expanding the number of stream reaches and segments and also including warm water periods, where thermal limitations and differences in habitat availability could show a rather different distribution pattern and potential for species interaction.…”
Section: Discussionmentioning
confidence: 99%
“…This makes it difficult to determine whether scarcity of native species in study streams can be attributed to salmonid impacts or whether they are more related to zoogeographic barriers and environmental limitations. In the Ceballos stream for example where salmonids have not been yet recorded T. corduvensis is widely distributed with high abundance (Juncos et al, 2006). Clearly more information should be gathered by increasing the number of sampled streams within different orders, expanding the number of stream reaches and segments and also including warm water periods, where thermal limitations and differences in habitat availability could show a rather different distribution pattern and potential for species interaction.…”
Section: Discussionmentioning
confidence: 99%
“…Igualmente, se utilizó el índice de Margalef (DMg), uniformidad (E), riqueza de especies (S), mediante la aplicación de los índices y valores propuestos por Shannon-Wiener (1963), Brower & Zar (1977) y Margalef (1958), respectivamente. Para la dominancia, se utilizaron los índices de Simpson y Berger-Parker (Juncos et al 2006).…”
Section: Trabajo De Campounclassified