Mostrando 7 resultados de: 7
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Universidad del Azuay(3)
Ecologia Austral(1)
Hornero(1)
New Forests(1)
Studies on Neotropical Fauna and Environment(1)
Estudio comparativo de la diversidad de aves en el bosque protector Tinajillas- r?o Gualace?o, a trav?s de una gradiente altitudinal
Bachelor ThesisAbstract: Los cambios de alturas y tipos de vegetaci?n muestran cambios sustanciales en la composici?n de avesPalabras claves:altura, Aves, BOSQUE PROTECTOR TINAJILLAS, Diversidad, VEGETACI?NAutores:David Christopher Siddons, Estrella, ?ngel Patricio Ruiz, Jos? Luis D?valos R?osFuentes:rraaeNatural or assisted succession as approach of forest recovery on abandoned lands with different land use history in the Andes of Southern Ecuador
ArticleAbstract: Forest recovery on disturbed areas is of special significance in the Ecuadorian Andes, where deforesPalabras claves:Abandoned lands, Andes region, Mechanical treatment, restoration, Successional trajectoryAutores:David Christopher Siddons, Günter S., Hildebrandt P., Nikolay Aguirre, Ruth Arias, Stimm B., Weber M., Ximena PalomequeFuentes: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:scopusInfluencia de las actividades antropog?nicas sobre la comunidad de aves de p?ramo en los Andes sur del Ecuador
Bachelor ThesisAbstract: Los servicios ambientales que brindan los ecosistemas de p?ramo en el Ecuador son de gran importanciPalabras claves:ACTIVIDADES ANTROPOG?NICAS, COMUNIDAD DE AVES, GANADER?A, P?ramo, QUIMSACOCHAAutores:David Christopher Siddons, Jimmy Santiago Barros QuitoFuentes:rraaeInfluencia de variables ambientales en la abundancia de Hyloxalus vertebralis en el ?rea de influencia del proyecto hidroel?ctrico Paute- Mazar
Bachelor ThesisAbstract: Hyloxalus vertebralis es una especie nativa de Ecuador catalogada en Peligro Cr?tico por la Uni?n InPalabras claves:ABUNDANCIA, DISTANCIA AL AGUA, ELEVACI?N, ESTRATO, HYLOXALUS VERTEBRALISAutores:David Christopher Siddons, Mar?a Jos? Barrera Yunga, Nelly Alexandra Calle CastilloFuentes:rraaePotential distribution of the andean condor (Vultur gryphus) reveals priority sites for conservation in the southern andes of Ecuador
ArticleAbstract: The Andean Condor (Vultur gryphus) is in decline, while in Ecuador most of the monitoring efforts haPalabras claves:Andean condor, climatic seasonality, Distribution model, ECUADOR, Elevation, Paramo, VULTUR GRYPHUSAutores:David Christopher Siddons, Juan A. Orellana, Latta S.C., Pedro Xavier Astudillo Webster, Santiago Barros-QuitoFuentes:scopus