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ListarCientífica por materia "México"

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  • Ambystoma leorae (TAYLOR, 1943). New records, natural history notes and threat status 
    MONROY VILCHIS, OCTAVIO; ZARCO GONZALEZ, MARTHA MARIELA; DOMINGUEZ VEGA, HUBLESTER; GARCIA AGUILAR, ARMANDO SUNNY (Herpetozoa, 2015-01-30)
    Ambystoma leorae (TAylOR, 1943), is endemic to the “Sierra Nevada” mountains of central México. its known distribution (Figs. 1A, 1B) is restricted to six locations within the protected area “iztaccihuatl Popocatepetl ...
  • Morphological abnormalities in anurans from central Mexico: a case study (anura: Ranidae, hylidae) 
    MONROY VILCHIS, OCTAVIO; PARRA LOPEZ, LOURDES LIZZOULI; Lugo de la Fuente, Jorge Alberto; BALDERAS PLATA, MIGUEL ANGEL; ZARCO GONZALEZ, MARTHA MARIELA (Herpetozoa, 2015-01-30)
    high rates of morphological abnormalities (malformations) in amphibians are attributed to parasites, chemical pollution, uv radiation and selective predation. the objectives of this study were to quantify and qualify the ...
  • Potential distribution of Ursus americanus in Mexico and its persistence: Implications for conservation 
    MONROY VILCHIS, OCTAVIO; CASTILLO HUITRON, NATHALIA MONTSERRAT; ZARCO GONZALEZ, MARTHA MARIELA; RODRIGUEZ SOTO, CLARITA (Journal for Nature Conservation, 2016-02-27)
    The black bear Ursus americanus is an endangered species in Mexico. Its historical distribution has decreased by approximately 80% although its current distribution is not known with precision; it is only reported to be ...
  • Top-down and bottom-up control on cougar and its prey in a central Mexican natural reserve 
    Soria Díaz, Leroy; Fowler, Mike; MONROY VILCHIS, OCTAVIO (European Journal of Wildlife Research / Springer Berlin Heidelberg, 2017-10-01)
    Top-down and bottom-up controls are hypothe sized to regulate population structures in many ecosystems. However, few studies have had the opportunity to analyzeboth processes in the natural environment, especially on ...
  • El tránsito de la geobotánica tradicional a la bioclimatología aplicada: el caso de México 
    GOPAR MERINO, LUIS FERNANDO; CASTRO LOPEZ, VALERIO; PEREZ VALLADARES, CLOE XOCHITL; Fregoso, Alejandra (2021-11-24)
    La crisis ambiental presente, a diferencia de otros grandes eventos catastróficos a nivel planetario, por primera vez deriva del comportamiento de una sola especie. Por su magnitud sin precedente, nos referimos a la ...
  • ZONAS DE RIESGO ENTRE HUMANO OSO NEGRO EN EL NORTE DE MÉXICO 
    Nuñez Torrez, María Fernanda (208-12-04)
    En la última década Ursus americanus o el oso negro americano, plantígrado, mamífero del orden Carnívora y el único úrsido en México ha sido una especie estudiada con diferentes objetivos, pero un criterio en común: la ...

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