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versão On-line ISSN 2007-3364


FALCONI-BRIONES, Fredy A. et al. Habitat use and activity patterns of ungulates in a tropical rainforest of southern México. Therya [online]. 2022, vol.13, n.2, pp.171-182.  Epub 21-Nov-2022. ISSN 2007-3364.

Baird’s tapir (Tapirella bairdii), white-lipped peccary (Tayassu pecari), and collared peccary (Dicotyles tajacu) sympatrically occur in the Lacandon Forest of Chiapas, México. These species contribute to maintain ecosystem dynamics through herbivory, seed dispersal, and seed predation, constituting important prey for large carnivores and hunters. We analyzed activity patterns and habitat use of the three focal species to assess the degree of temporal and spatial habitat segregation among them in Montes Azules Biosphere Reserve (REBIMA) and surrounding communities. Between February and October 2015 we deployed camera-traps during 8,463 camera-trap days to estimate the presence and activity of tapirs and peccaries in two habitat types: “conserved” (REBIMA), and “transformed” (community forests; AFC). Habitat use and activity patterns of tapirs and peccaries were assessed through logistic regression models. We found that Baird’s tapir was almost exclusively nocturnal with a trend towards crepuscular activity, while both peccary species were diurnal, therefore showing a high daily temporal segregation from the tapir. Both peccary species were similarly active in the two study sites, while tapirs were more active in continuous forest within the protected area. The occurrence of tapirs and white-lipped peccaries depended on the presence and proximity of water sources and roads. Our results suggest that spatial segregation of the habitat allows coexistence of both peccary species in the study area. AFC have potential for maintaining populations of tapirs and peccaries in the Lacandon Forest. Conserving these forests by local communities is essential to ensure the persistence of these mammals.

Palavras-chave : Coexistence; habitat use; Maya forest; resource partitioning; ungulates.

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