Camilo Andrés Roa-Fuentes

Camilo Andrés Roa-Fuentes
Universidad Pedagógica y Tecnológica de Colombia | UPTC · Escuela de Biología

About

14
Publications
4,741
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162
Citations
Citations since 2016
10 Research Items
161 Citations
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201620172018201920202021202201020304050
201620172018201920202021202201020304050
201620172018201920202021202201020304050

Publications

Publications (14)
Article
Full-text available
High rates of deforestation, either in the past or the present, affect many of the ecological processes in streams. Integrating deforestation history and the current landscape structure enhances the evaluation of ecological effects of land-use change. This is especially true when contemporary landscape conditions are similar but the temporal path t...
Article
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Beta diversity quantifies changes in assemblages among sites and can identify how anthropogenic changes affect species distributions patterns. We investigated how spatial and temporal beta diversity of fish assemblages responded to recent environmental changes within an established agroecosystem and investigated whether the observed pattern of spat...
Article
Full-text available
Few studies have considered the effects of environmental variables at different spatial scales on Neotropical stream biodiversity. Furthermore, scale-related studies mostly include only one facet of biodiversity. To determine the contribution of local and landscape variables to the variation in the taxonomic, functional and phylogenetic a-diversity...
Research
The dataset comprise environmental characterization for 86 streams in the Turvo-Grande and São José dos Dourados basins, Upper Paraná River basin, northwestern of São Paulo State, Brazil. We selected those streams considering the environmental gradient in the region (i.e., pasture-sugarcane transition). In each stream we quantified 31 local descrip...
Article
Full-text available
• Deforestation can modify stream habitat and the functional structure of fish assemblages. The aims of this study were (a) to identify whether deforestation has a similar effect on local habitats from two biogeographically distinct river basins in a tropical region; (b) to identify how fish trait–habitat relationships were influenced by deforestat...
Article
Full-text available
• A multi‐faceted assessment of diversity is needed to improve our understanding of the mechanisms underlying biodiversity patterns and to reveal the impacts of land use alterations on β‐diversity. In this study, we analysed stream fish β‐diversity based on taxonomic, functional, and phylogenetic facets in an intensively cultivated tropical region....
Article
Full-text available
La minería a cielo abierto de carbón posibilitará una serie de modificaciones a diferentes ambientes lóticos en Colombia. En este artículo analizamos el caso de una mina de carbón a cielo abierto ubicada en el departamento de La Guajira, Colombia, centrándonos en el estado de conocimiento de la ictiofauna, los potenciales efectos de las modificacio...
Article
The conversion of forests into agriculture has been identified as a key process for stream homogenization. However, the effects of this conversion can be scale-dependent. In this context, our aim was to identify the influence of different land uses at different spatial scales (catchment, drainage network and local) on instream features in agricultu...
Article
Full-text available
Land cover change for agricultural expansion exerts strong pressures on tropical streams. We examined the relative contributions of catchment land cover, local environmental features, and spatial patterns on stream fish communities (n = 43). Explained variation in fish community structure was partitioned (p-RDA) between the explained fractions as f...
Article
Full-text available
We tested the contribution of the phylogenetic and specific components to the ecomorphological structure of stream fish from the upper Paraguai River and upper São Francisco River basins, and identified nodes in the phylogenetic tree at which major ecological shifts occurred. Fish were sampled between June and October of 2008 in 12 streams (six in...
Article
Full-text available
Crenicichla semifasciata was described from the rio Paraguai in “Caiçara” (in front of Cáceres, Mato Grosso, Brazil) and has been reported in the rio Paraguai and lower portion of the rio Paraná downstream of the Itaipu hydroelectric dam, but considered absent in the upper rio Paraná and in the rio Uruguai basin. In this paper, we document the firs...
Article
Full-text available
To compare the relative abundance of Grundulus bogotensis in two river basins and the diet of the populations of three basins in the Cundiboyacense plateau, we sampled 10 localities using electrofishing equipment between March and June 2006. The relative abundance in each locality was expressed as the number of fish caught per hour on a 100m stretc...
Article
Full-text available
This note presents the first record of the genus Astrodoras Bleeker, 1862 (Siluriformes, Doradidae) in theColombian Amazon (Amacayacu National Park). The single species described for the genus is A. asterifrons (Kner, 1853),reported only from the Amazon River basin in Brazil and Bolivia. The Colombian specimens are characterized by a gas(swim) blad...

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