We provide information on the diversity of anurans from agroforestry systems in the Colombian Amazon. This area is inserted at the tropical rainforest ecosystem and consists mainly of secondary forest remnants surrounded by crops, grasslands, and agroforestry systems. From February to May 2015, we sampled anurans mainly with visual and auditory surveys. We recorded a total of 1096 individuals of 20 species of anurans from six families at the study area. The relictual forest was the richest environment, followed by Achapo and Cacao agroforestry systems. The Achapo system showed great similarity in species composition with relictual forest, however, the latter presented the highest number of exclusive species, whereas the first presented only two and Cacao system didn't have any exclusive species. Our results show that the richness can vary between the different types of agroforestry systems and highlight their importance as management tool for anurans conservation in the Colombian Amazon.
ResumenObjetivo: Registrar la diversidad de anuros asociados en la Reserva Natural Comunitaria el Manantial, Florencia, Caquetá, Colombia. Metodología: La fase de campo se efectuó por medio de búsqueda intensiva auditiva y visual en dos hábitats: quebrada y bosque ripario. Se usó el programa estadístico SigmaPlot 1 1.0, Estimates 9.0 y programa virtual iNEXT. Resultados: Se registró un total de 564 individuos de anuros, correspondientes a 14 especies, nueve géneros y seis familias. La familia Leptodactylidae presentó la mayor riqueza con 4 especies correspondientes a 3 géneros (Adenomera, Lithodytes y Leptodactylus); las familias Aromobatidae (Hyloxalus bokagei) y Centrolenidae (Teratohyla midas) solo presentaron una especie cada una. Discusión: Tanto la quebrada como el bosque ripario presentaron valores similares de riqueza de especies, lo cual se puede deber a la complejidad estructural en relación con los tipos de nicho que pueden ofrecer a los anuros, así como las variables ambientales asociadas a estos sistemas en razón a la presencia de diferentes estratos y variedad de microhábitats. Conclusión: Este tipo de investigaciones permite comprender cómo se encuentran los ecosistemas en términos de diversidad y abundancia de especies comprendiendo la estructura de los mismos.Palabras clave: Anuros, Bosque ripario, Diversidad, Quebrada, Reserva. AbstractObjective: To record the diversity of Anura associated with the Manantial Community Nature Reserve, Florencia, Caquetá, Colombia. Methodology: The field phase was carried out by means of auditory and visual intensive search in two habitats: quebrada and riparian forest. SigmaPlot 1 1.0, 9.0 and virtual program Estimates iNEXT statistical program was used. Results: A total of 564 individuals of Anura, corresponding to 14 species, nine genera and six families were recorded. The family Leptodactylidae had the highest species richness with 4 corresponding to 3 genera (Adenomera, Lithodytes and Leptodactylus); the aromobatidae (Hyloxalus bokagei) and Centrolenidae family (Teratohyla Midas) presented only one species each. Discussion: Both the creek and riparian forest showed similar values of species richness, which may be due to the structural complexity in relation to the types of niche that can offer anura and environmental variables associated with these systems because to the presence of different layers and variety microhabitat. Conclusion: This type of research allows us to understand how ecosystems are in terms of diversity and abundance of species structure comprising the same.
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