Browsing by Author "201-0279002"
Now showing items 1-13 of 13
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El conocimiento científico y la conservación de la naturaleza en Chile. Diagnóstico y perspectivas Díaz Gacitúa, Miguel Ángel (Universidad de Chile, 2011)Esta investigación, tuvo como objetivo principal hacer un diagnóstico y esbozar una perspectiva para el desarrollo de una política de investigación para la conservación de la naturaleza en Chile. Los recursos metodológicos ...
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Aguirre, Juan; Escobar, Martín A. H.; Tomasevic Vukasovic, Jorge; Vukasovic, Maria Angelica; Tala, Charif; Estades Marfán, Cristián (2007)We assessed the conservation status of the Chilean Woodstar Eulidia yarrellii, a small hummingbird endemic to a few desert valleys of northern Chile and southern Peru. Although no population studies had been conducted, ...
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Estades Marfán, Cristián; Thomson, Roberto F.; Vukasovic, Angélica; Acuña, M. Paz (Waterbird Soc., 2020)Between January-August 2017, the movements of 18 individual Yellow-billed Pintail (Anas georgica) were studied after capture at the Carampangue wetland in Central Chile and equipped with GPS transmitters. The goal was to ...
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Zhao, Yuanyuan; Feng, Duole; Yu, Le; Wang, Xiaoyi; Chen, Yanlei; Bai, Yuqi; Hernández Palma, Héctor; Galleguillos Torres, Mauricio; Estades Marfán, Cristián; Biging, Gregory; Radke, John; Gong, Peng (Elsevier, 2016)Stretching over 4300 km north to south, Chile is a special country with complicated landscapes and rich biodiversity. Accurate and timely updated land cover map of Chile in detailed classification categories is highly ...
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Iranzo, Esperanza C.; Acebes, Pablo; Estades Marfán, Cristián; González Pérez, Benito; Mata, Cristina; Malo, Juan E.; Traba, Juan (Springer, 2018)Growth of wild ungulate populations within protected areas can cause an expansion towards surrounding non-protected areas and lead to conflicts with human activities. The spatial and demographic structure of colonizing ...
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Pérez Pérez, Mauricio Francisco (Universidad de Chile, 2004)
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Díaz Pérez, Marcelo Antonio (Universidad de Chile, 2006)La fragmentación del hábitat es un proceso de pérdida de superficie de un hábitat originalmente continuo, generando un gran número de remanentes de menor tamaño aislados entre sí. Este fenómeno puede afectar directa y/o ...
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Escobar Cuadros, Martín A.H. (Universidad de Chile, 2008)Uno de los mayores efectos de la actividad antrópica en Chile central ha sido la transformación de vegetación natural en plantaciones forestales de Pinus radiata. Sin embargo, el conocimiento de la comunidad de artrópodos ...
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Hernández Palma, Héctor; Estades Marfán, Cristián; Castillo Armijo, Matías (Springer, 2018-07)Although small isolated habitat patches may not be able to maintain a minimum viable population, small patches that are structurally isolated may be functionally connected if individuals can cross the gaps between them, ...
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Tomasevic Vukasovic, Jorge; Estades Marfán, Cristián (ELSEVIER SCIENCE BV, 2008-03-20)Fragmentation combined with habitat loss can affect population persistence mainly by isolating habitat fragments. However, this isolation depends, in part, on the species’ perception of the surrounding matrix compared to ...
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Uribe Miranda, Sandra Verónica (Universidad de Chile, 2007)La zona central de Chile presenta serios problemas de conservación debido a una fuerte presión antrópica que ha generado pérdida de hábitat; ésta a su vez, ha provocado disminuciones de las poblaciones de vertebrados e ...
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Fuentes Allende, Nicolás; Vielma, André; Paulsen, Katheryne; Arredondo, Cristóbal; Corti, Paulo; Estades Marfán, Cristián; González, Benito A. (Elsevier, 2016)Areas with high shrub and grass cover are scarce and important for arid-land ungulates. Unfortunately, agricultural activities are often concentrated in such areas causing ungulates either to include croplands as foraging ...
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Iranzo, Esperanza C.; Traba, Juan; Acebes, Pablo; González, Benito A.; Estades Marfán, Cristián; Mata, Cristina; Malo, Juan E. (PLoS ONE, 2013)Competition arises when two co-occuring species share a limiting resource. Potential for competition is higher when species have coexisted for a short time, as it is the case for herbivores and livestock introduced in ...