Densidad de puma (Puma concolor) y gato montés (Lynx rufus) en la Reserva de la Biosfera Tehuacán-Cuicatlán, México

Vega-Flores, Cristina Nicté; Farías‐González, Verónica

doi:10.22201/ib.20078706e.2021.92.3639

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Rev.Mex.Biodiv.

2021

DOI: 10.22201/ib.20078706e.2021.92.3639

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Densidad de puma (Puma concolor) y gato montés (Lynx rufus) en la Reserva de la Biosfera Tehuacán-Cuicatlán, México

Cristina Nicté Vega-Flores

Verónica Farías‐González

Abstract: Densidad de puma (Puma concolor) y gato montés (Lynx rufus) en la Reserva de la Biosfera Tehuacán-Cuicatlán, México Puma (Puma concolor) and bobcat (Lynx rufus) density in Tehuacán-Cuicatlán Biosphere Reserve, Mexico

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Camera traps reveal the natural corridors used by mammalian species in eastern Mexico

et al. 2022

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Background Habitat loss and fragmentation in the Sierra Madre Oriental (SMO) ecological corridor have negative impacts on the movement and distribution of mammalian species that are of great ecological and evolutionary importance. Part of the SMO ecological corridor that is located in the state of Hidalgo is less studied despite being a potential dispersal route for mammals. The objectives of this study were to evaluate the presence and activity of terrestrial mammals in the riparian and non-riparian zones of SMO. Results Camera traps detected 15 mammalian species (i.e., 14 native and 1 domestic) in the non-riparian zone, and 12 mammalian species in the riparian zone (i.e., 10 wild and 2 domestic). The riparian corridor was mainly used by opportunistic medium-sized carnivores, while large carnivores and their potential prey were more frequent in the non-riparian zone. Conclusions Our findings suggest terrestrial mammals avoid the use of natural corridors due to the presence of domestic dogs, cattle and humans and look for new dispersal routes to move through their habitat and find the resources they need to survive. Even though some species can use disturbed corridors to move and find resources, they will change their activity patterns to avoid contact with humans and potential threats like dogs. It is, therefore, crucial to identify not one, but several corridors that must be preserved to improve the connectivity of terrestrial mammals in disturbed landscapes.

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Camera traps reveal the natural corridors used by mammalian species in eastern Mexico

et al. 2022

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Density and activity patterns of bobcat in its southernmost distribution

Lavariega

Briones‐Salas

Monroy-Gamboa³

et al. 2022

Anim. Biodiv. Conserv.

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Estimating density and activity patterns is useful for management and conservation of species. Data for Mexican bobcat (Lynx rufus) populations are scarce. Here we estimated the density of a bobcat population in Oaxaca, southern Mexico, and evaluated its daily activity patterns. We also evaluated macroecological patterns of bobcat density across its distribution range to determine any geographical (latitudinal, longitudinal, elevation, or range centroid) or climatic effects on the population density. Camera–trap data were divided into four 60–day periods (two in the dry season and two in the rainy season). Density was calculated using the random encounter model and daily activity patterns were analyzed fitting a kernel density function. The mean estimated density for the four periods was 17.3 bobcats/100 km2, with the highest densities occurring during the dry periods. Bobcat daily activity pattern presented two peaks, one after midnight and the other after dawn, with very slight changes between seasons. In the study area, density and activity patterns were associated with anthropogenic perturbation and prey availability. Bobcats increased their population density in the dry season, and showed a preference for activity at night and early morning hours when it is cooler and there are likely fewer competitors but more prey. Across its range, bobcat density was mainly related to annual precipitation and mean temperature of the driest quarter at 100 km radius buffers, and between annual precipitation and longitude on a smaller scale (50 km radius buffers). These findings support their preference for the arid or mesic environments that enabled them to reach southern areas of the Neartic region.

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Densidad de puma (Puma concolor) y gato montés (Lynx rufus) en la Reserva de la Biosfera Tehuacán-Cuicatlán, México

Abstract: Densidad de puma (Puma concolor) y gato montés (Lynx rufus) en la Reserva de la Biosfera Tehuacán-Cuicatlán, México Puma (Puma concolor) and bobcat (Lynx rufus) density in Tehuacán-Cuicatlán Biosphere Reserve, Mexico

Cited by 2 publications

References 55 publications

Camera traps reveal the natural corridors used by mammalian species in eastern Mexico

Camera traps reveal the natural corridors used by mammalian species in eastern Mexico

Density and activity patterns of bobcat in its southernmost distribution

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