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Potential distributional patterns of three wild ungulate species in a fragmented tropical region of northeastern Mexico
GABRIELA GARCIA MARMOLEJO
LEONARDO CHAPA VARGAS
ELISABETH HUBER SANNWALD
Manuel Weber
OCTAVIO CESAR ROSAS ROSAS
JESUS MANUEL MARTINEZ CALDERAS
Acceso Abierto
Atribución-NoComercial-SinDerivadas
https://doi.org/10.1177/194008291300600407
Conservation
Land use change
Maxent
Mexico
Tropical forest
Ungulates
"In the northernmost American tropical forests of eastern Mexico, we analyzed the potential distribution of three ungulate species, Odocoileus virginianus, Mazama temama and Pecari tajacu, in response to several physical, climatic, biological, and anthropogenic variables, in order to identify environmental factors affecting distribution and potential key areas for ungulate conservation. Current presence records for these species were gathered, and potential distribution models were built using Maximum Entropy niche modeling (MaxEnt). Model suitability surfaces were used to calculate remaining potential habitat areas in the region, as well as the potential sympatric area and representation of these areas in Natural Protected Areas. Biological and anthropogenic variables were the best species distribution predictors. Landscape composition (the proportion of different land-use and land-cover classes: forest, agriculture, and pasture) within approximately 120 ha, was the most important variable for all models, influencing each species differently with respect to their tolerance of altered habitats. The remaining potential area of all three species is fragmented and has apparently been nearly lost in plains (<14% remaining). Distribution models allowed us to detect an important location in the western portion of our study area which may function as a large biological corridor in the Sierra Madre Oriental mastogeographic province, a region heavily transformed by land use change. In the context of habitat transformation, management promoting quality matrix at the landscape level promises to be a viable alternative for ungulate conservation in tropical regions of Mexico."
2013
Artículo
Inglés
Público en general
Potential Distributional Patterns of Three Wild Ungulate Species in a Fragmented Tropical Region of Northeastern Mexico G. García-Marmolejo, L. Chapa-Vargas, E. Huber-Sannwald, M. Weber, O.C. Rosas-Rosas, J. Martínez-Calderas Tropical Conservation Science https://doi.org/10.1177/194008291300600407 First Published September 1, 2013
CIENCIAS FÍSICO MATEMÁTICAS Y CIENCIAS DE LA TIERRA
Versión publicada
publishedVersion - Versión publicada
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