| Summary: | We evaluated several parameters of diversity of a community of carnivorous mammals and their seasonal variation in a heterogeneous landscape of the northeast of Oaxaca, Mexico. Three trails were established for the search of signs, captures of organisms and sightings. Six species of carnivorous were recorded. Nasua narica was the species with higher relative abundance and density, followed by Leopardus pardalis. 57% of the records were obtained during the dry season and 43% in the rainy season, and abundances do not change between seasons. The diversity, as measured by the Shannon-Wiener index, showed the lowest value in the dry season. The dominance showed similar values in both seasons, with N. narica as the most abundant species. Three of the species are found in the category In Danger of Extinction, and two are between the ten species of greater national priority for the conservation of Mexican terrestrial carnivores, which denotes the importance of the zone as refuge of the regional mammalian diversity.
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