Abstract (en):
From december 2012 and january a survey of the herpetofauna diversity was made in forest remnants, farms, open areas, and vegetation around wetlands at a locality in the middle Magdalena River valley, department of Antioquia, Colombia. We recorded 12 amphibian and 36 reptile species. Three of the amphibian species are endemic to Colombia and one is considered threatened; one of the reptile species is endemic to Colombia, and three are categorized as threatened. The species diversity of amphibians and reptiles did not differ significantly between forest and farming areas, but it was higher than in open areas and vegetation associated with wetlands. The species turnover between these two groups of vegetation coverages was higher in amphibians tha in reptiles. This differential species turnover level suggests that forest amphibians are more susceptible than the reptiles to deforestation, possibly due to their high dependence of moist microhabits. Since most forests in the Middle Magdalena River valley of Colombia have been deforested, the conservation of forest remnants that still persist is a priority.
Abstract (es):
Entre diciembre de 2012 y enero de 2013 se caracterizó la herpetofauna en relictos boscosos, cultivos, áreas abiertas y vegetación aledaña a la ciénaga de Barbacoas en una localidad en el valle del Magdalena medio, departamento de Antioquia, Colombia. Se registraron 27 especies de anfibios y 36 de reptiles. Tres especies de anfibios son endémicas para Colombia y una especie está categorizada como vulnerable (VU); una especie de reptil es endémica para Colombia, dos especies están categorizadas como vulnerables (VU) y una en peligro crítico (PC). La diversidad de anfibios y reptiles no difiere entre bosques y áreas de cultivo, pero sí fue mayor en dichas coberturas vegetales que en áreas abiertas y vegetación asociada a ciénaga. El recambio de especies entre estos dos grupos de cobertura vegetal fue mayor en anfibios que en reptiles. Esto sugiere que los anfibios de bosque son más susceptibles que los reptiles a la deforestación, debido posiblemente a su alta dependencia de microhábitats húmedos para sobrevivir y reproducirse. Dado que la mayoría de los bosques en el valle del Magdalena medio de Colombia han sido deforestados, la conservación de los remanentes boscosos que aún persisten es prioritaria.
Keywords:
Biodiversidad, Bosque húmedo tropical, Conservación, Ensamblajes, Herpetofauna. (es)
Assemblages, Biodiversity, Conservation, Herpetofauna, Tropical rain forest (en)
Assemblages, Biodiversity, Conservation, Herpetofauna, Tropical rain forest (en)
How to Cite
Vargas-Salinas, F., & Aponte-Gutiérrez, A. (2017). Diversity and turnover of amphibian and reptile species in different plant cover at a locality in the middle Magdalena River valley, department of Antioquia, Colombia. Biota Colombiana, 17(2), 117–137. https://doi.org/10.21068/C2016.v17n02a09
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