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)
Ardeola(1)
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: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:scopusEfectividad 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:googlescopusEvaluaci?n de ?reas prioritarias para la conservaci?n bajo el enfoque de modelos de distribuci?n de especies
Bachelor ThesisAbstract: La identificaci?n y priorizaci?n de ?reas para la conservaci?n es fundamental en regiones con importPalabras claves:?REAS PROTEGIDAS, AVES ALTOANDINAS, ,MODELOS DE DISTRIBUCI?N, P?ramo, RESERVA DE LA BIOSFERA MACIZO DEL CAJASAutores:Fernando Roberto Villegas Lituma, Pedro Xavier Astudillo WebsterFuentes:rraaeNetwork structure of avian mixed-species flocks decays with elevation and latitude across the Andes
ArticleAbstract: Birds in mixed-species flocks benefit from greater foraging efficiency and reduced predation, but alPalabras claves:ecological networks, facilitation, Mixed-species flocks, network modularity, species interactionsAutores:Arbeláez-Cortés E., Ausprey I.J., Boris A. Tinoco, Cahill J.R.A., Colorado G.J.Z., Fanjul M.E., Guevara E.A., Ippi S., Jones H.H., Mangini G.G., Marin-Gómez O.H., Matthysen E., McDermott M.E., Montaño-Centellas F.A., Muñoz J., Newell F.L., Pedro Xavier Astudillo Webster, Robinson S.K., Rodewald A.D.Fuentes:googlescopusHabitat 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:scopus