Mostrando 10 resultados de: 22
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Universidad del Azuay(6)
Biotropica(2)
Neotropical Biodiversity(2)
Studies on Neotropical Fauna and Environment(2)
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Ecología(13)
Economía de la tierra y la energía(11)
Temas específicos de historia natural de los animales(10)
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Assessing methods for estimating minimum population size and monitoring andean condors (Vultur Gryphus) in Southern Ecuador
ArticleAbstract: The Andean Condor (Vultur gryphus) is a critically endangered species in Ecuador and is threatened aPalabras claves:Andean condor, Cajas national park, Feeding station, Monitoring, Paramo, Population size, VULTUR GRYPHUSAutores:Boris A. Tinoco, Graham C.H., Latta S.C., Pedro Xavier Astudillo WebsterFuentes:googlescopusAn?lisis del nicho ecol?gico del C?ndor Andino (Vultur Gryphus) en los Andes Sur del Ecuador
Bachelor ThesisAbstract: El C?ndor Andino en el Ecuador se encuentra en peligro de extinci?n debido a la intervenci?n antr?piPalabras claves:H?BITAT CONVENIENTE, MAHALANOBIS, Marginalidad, MATORRAL SECOAutores:Juan Jos? V?lez Pe?a, Marlon Andrés Machuca Quito, Pedro Xavier Astudillo WebsterFuentes:rraaeContributions on the diet and distribution of Ocelot Leopardus pardalis (Linné 1758) in the high Andes of Ecuador
ArticleAbstract: The Ocelot, Leopardus pardalis is a carnivore with wide distribution in South America. In Ecuador, mPalabras claves:Andean foothills, Canãr, Coendou rufescens, Inter-Andean valleys, Montane forestAutores:Alisson Jiménez, Carlos Hernán Nivelo-Villavicencio, Javier Fernández de Córdova, Pedro Xavier Astudillo WebsterFuentes:scopusCentrality in Species-Habitat Networks Reveals the Importance of Habitat Quality for High-Andean Birds in Polylepis Woodlands
ArticleAbstract: Summary . Habitat loss and landscape fragmentation are important drivers of changes in biodiversity.Palabras claves:ECUADOR, forest specialists, habitat guilds, páramo landscape, Tropical AndesAutores:David Christopher Siddons, Farwig N., Grass I., Pedro Xavier Astudillo Webster, Schabo D.G.Fuentes:googlescopusEfectividad de trampeo para micromam?feros ligados a cuerpos de agua en la microcuenca del r?o Matadero, Parque Nacional Cajas
Bachelor ThesisAbstract: El objetivo fue evaluar la efectividad de trampeo para captura de micromam?feros ligados a cuerpos dPalabras claves:ESTRUCTURA DEL H?BITAT, MICROMAM?FEROS, P?ramo, Parque Nacional CajasAutores:Jessica Alexandra Espinoza Coyago, Mar?a Emilia Rivadeneira Rodr?guez, Pedro Xavier Astudillo WebsterFuentes:rraaeDistribution, ecology and conservation of an endangered Andean hummingbird: The Violet-throated Metaltail (Mettallura baroni)
ArticleAbstract: The Violet-throated Metaltail Metallura baroni is a high altitude hummingbird endemic to south-centrPalabras claves:Autores:Boris A. Tinoco, Graham C.H., Latta S.C., Pedro Xavier Astudillo WebsterFuentes:googlescopusEl uso de gremios tróficos en macroinvertebrados acuáticos como herramienta de monitoreo en los Altos Andes del Sur de Ecuador
ArticleAbstract: Aquatic macroinvertebrates are widely used as indicators of water quality. However, in the Andean rePalabras claves:ABI, Cajas national park, CALIDAD DE AGUA, elevación, Elevation, Macizo del Cajas, páramo grassland, PARAMO HERBACEO, water qualityAutores:Bruno A. Timbe, Eduardo Barnuevo, Pedro Xavier Astudillo Webster, Ramiro JiménezFuentes:scopusHabitat heterogeneity rather than the limits of protected areas influence bird communities in an Andean biosphere reserve
ArticleAbstract: The páramo ecosystem harbors a high concentration of restricted range and threatened bird species. HPalabras claves:Elevation, Macizo del Cajas Biosphere Reserve, páramo grassland, Specialist birds, trophic guildsAutores:Boris O. Landázuri, David Christopher Siddons, Latta S.C., Paul Porras, Pedro Xavier Astudillo Webster, Santiago BarrosFuentes:scopusInfluence of habitat modification by livestock on páramo bird abundance in southern Andes of Ecuador
ArticleAbstract: Livestock grazing on natural grasslands is widespread with negative consequences to biodiversity. InPalabras claves:Elevation, habitat guilds, páramo bird specialistAutores:David Christopher Siddons, Edwin Zárate, Pedro Xavier Astudillo Webster, Santiago BarrosFuentes:scopusInfluence of patch factors and connectivity on the avifauna of fragmented polylepis forest in the Ecuadorian Andes
ArticleAbstract: Human-induced alteration of habitat is a major threat to biodiversity worldwide, especially in areasPalabras claves:Bird communities, Bird guilds, Forest patches, Gynoxys, High Andes, ParamoAutores:Boris A. Tinoco, Graham C.H., Latta S.C., Pedro Xavier Astudillo Webster, Strubbe D.Fuentes:googlescopus