2015
DOI: 10.15446/abc.v20n3.46721
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Estructura, Diversidad Y Dinámica De La Vegetación en El Ecotono Bosque-Páramo: Revisión De La Evidencia en La Cordillera De Mérida

Abstract: Associate Editor: Susana Raquel Feldman.Citation / Citar este artículo como: Llambí LD. Estructura, diversidad y dinámica de la vegetación en el ecotono bosque-páramo: revisión de la evidencia en la Cordillera de Mérida. Acta biol. Colomb. 2015;20(3):5-19. doi: http://dx.doi.org/10.15446/abc.v20n3.46721 RESUMENEn los Andes tropicales, el límite altitudinal de los bosques corresponde a una compleja zona de transición entre el bosque paramero y el páramo andino. En el límite inferior de esta zona ocurre a su vez… Show more

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Cited by 21 publications
(28 citation statements)
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“…Based on the influence of these factors and vegetation structure, the páramo has been divided into three zones, from lowest to highest: subpáramo, páramo (páramo grassland) and superpáramo [8]. The subpáramo, also called páramo forest, shrubby páramo, subpáramo woodland and subpáramo elfin forest [9], is the transition zone (ecotone) between the forest (upper montane cloud forest) and the páramo grassland [8][9][10][11]. The subpáramo is usually an entangle of shrubs and small dispersed trees, gradually reduced in size, that gives way to grasses and herbs [9].…”
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confidence: 99%
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“…Based on the influence of these factors and vegetation structure, the páramo has been divided into three zones, from lowest to highest: subpáramo, páramo (páramo grassland) and superpáramo [8]. The subpáramo, also called páramo forest, shrubby páramo, subpáramo woodland and subpáramo elfin forest [9], is the transition zone (ecotone) between the forest (upper montane cloud forest) and the páramo grassland [8][9][10][11]. The subpáramo is usually an entangle of shrubs and small dispersed trees, gradually reduced in size, that gives way to grasses and herbs [9].…”
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confidence: 99%
“…Finally, above the páramo, there is the superpáramo, which is the zone located between the páramo and the permanent snow. In some cases, small isolated woodlands of Polylepis could be found above the subpáramo zone [9][10][11].Unfortunately, human activities can significantly alter páramo biodiversity [12], associated with land use change and climate change, which are promoting loss of native grassland cover [13]. It is estimated that 40% of the original Ecuadorian páramo has been transformed into agroecosystems and that 30% is used for extensive livestock grazing [2].…”
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“…En estas microcuencas encontramos una zona compleja de transición entre los bosques de alta montaña tropical y los páramos (Ramírez, Llambí, Schwarzkopf, Gámez, & Márquez, 2009). El estrato superior de estos bosques está dominado por arbustos altos y árboles pequeños, generalmente con un porte menor a los 10 m (Llambí, 2015). Estos bosques montanos están aproximadamente localizados entre los 2 800 y 3 500 msnm, cinturón altitudinal donde fueron ubicadas las corrientes bajo estudio.…”
Section: Materiales Y Métodosunclassified
“…In the tropical Andes, the transition between the upper montane forest and grassland páramo (treeline ecotone) is a zone of particular interest due its outstanding species and functional diversity (Bader et al 2007a; Ramírez et al 2009;Hofstede et al 2014;Peters et al 2014;Llambí 2015). The treeline is characterised by clear physiognomic changes with elevation, where tussock grasses, small sclerophyllous shrubs and caulescent rosettes replace trees and tall shrubs (Sklenář and Jørgensen 1999;Arzac et al 2011;Sarmiento Pinzón and León Moya 2015).…”
Section: Introductionmentioning
confidence: 99%