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Biota colombiana

versão impressa ISSN 0124-5376versão On-line ISSN 2539-200X

Resumo

VELASQUEZ ROA, Tatiana et al. Interactions between frugivorous bats and plants in the tropical dry forest of Valle del Cauca, Colombia. Biota colombiana [online]. 2023, vol.24, n.1, e1078.  Epub 04-Mar-2023. ISSN 0124-5376.  https://doi.org/10.21068/2539200x.1078.

The Tropical Dry Forest is one of the most threatened ecosystems due to the loss of vegetation cover caused by anthropogenic activities. Understanding how plant-animal interactions occur in this type of ecosystem is particularly important because these interactions promote the maintenance and functioning of the ecosystems. Therefore, the objective of this study was to identify interactions between fruit bats and plants through mutualistic interaction networks in ten tropical dry forest fragments in Valle del Cauca, Colombia. For this purpose, we characterized the bat community, as well as the seeds found in their feces; with the data obtained, the structural properties of the network (nestedness, modularity and robustness) were evaluated. Our results show 36 species and 1142 individuals of bats, where we identified 19 669 seeds grouped in 85 interactions between 18 bat species and 19 plant species. Moreover, the resulting interaction network presented a nestedness, modular structure, robust to the loss of specialist species but susceptible to the loss of generalist species. These results demonstrate the importance of bats for the analysis of plant-animal interactions and highlight them as a key group to be considered in conservation and restoration plans in highly disturbed ecosystems such as the Tropical Dry Forest of Valle del Cauca.

Palavras-chave : Ecology; Interaction network; Mutualism; Seed dispersal.

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