Efectos de la fragmentación sobre la diversidad de especies de árboles en un área de bosque de tierras bajas en el piedemonte andino de Colombia.

Effects of fragmentation on tree species diversity in a lowland tropical forest area of the andean foothills of Colombia.

dc.creatorViña, Andrés
dc.creatorEstévez Varón, Jaime Vicente
dc.date2019-07-01 00:00:00
dc.date2019-07-01 00:00:00
dc.date2019-07-01
dc.date.accessioned2023-09-06T18:35:30Z
dc.date.available2023-09-06T18:35:30Z
dc.identifier0123-3068
dc.identifierhttps://doi.org/10.17151/bccm.2019.23.2.5
dc.identifier10.17151/bccm.2019.23.2.5
dc.identifier2462-8190
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8699695
dc.descriptionObjetivo: Evaluar los efectos de la fragmentación sobre la diversidad de especies arbóreas a escala regional. Alcance: Para evaluar los efectos de la deforestación, y la fragmentación del bosque resultante, sobre la diversidad de especies arbóreas, se desarrolló un procedimiento basado en la similitud florística a escala regional. Metodología: Utilizando rarefacción y decaimiento a distancia se evaluó la similitud florística entre 12 parches de bosque de diferentes extensiones. Dicha evaluación fue usada para analizar los efectos de la fragmentación del bosque sobre la diversidad de especies arbóreas en un bosque húmedo tropical de tierras bajas localizado en el piedemonte andino, departamento de Casanare, Colombia. Resultados principales: Como la fragmentación puede reducir la biodiversidad a escalas locales mientras que puede homogenizarla a escalas regionales, esperábamos una homogenización regional de la composición de especies de árboles en el área de estudio. Por el contrario, la similitud florística entre parches de bosque fue baja, lo que sugiere que la composición de especies arbóreas presente antes de la fragmentación puede mantenerse aún. Sin embargo, varias de las especies aún presentes pueden estar propensas a la extinción regional, particularmente si se mantiene o incrementa la fragmentación. Nuestros resultados sugieren que el análisis de la similitud florística entre parches de bosque constituye una forma práctica para evaluar los efectos de la fragmentación sobre la composición y distribución regional de especies arbóreas. Dicho análisis constituye una herramienta que puede ser usada en el desarrollo de programas de conservación de la biodiversidad regional.
dc.descriptionObjective: To evaluate the effects of fragmentation on tree species diversity at a regional scale. Scope: A procedure based on floristic similarity was developed to evaluate the effects of deforestation, and its resultant forest fragmentation, on tree species diversity at a regional scale. Methodology: Floristic similarity among twelve forest patches of different areal extents, assessed using rarefaction curves and distance decay, was utilized to evaluate the effects of forest fragmentation on tree species diversity in a lowland tropical moist forest region located in the Andean foothills, Department of Casanare, Colombia. Main results: As fragmentation may reduce biodiversity at local scales while homogenize it at regional scales, a regional homogenization of tree species composition of the study area was expected. In contrast, inter-patch floristic similarity was low suggesting that pre-fragmentation tree species composition may still be maintained. Nevertheless, several of the tree species sampled could be prone to regional extinction, particularly if fragmentation is maintained or increased. Our results suggest that the analysis of inter-patch floristic similarity constitutes a practical way to evaluate the effects of fragmentation on regional tree species composition and distribution. This constitutes an analytical tool useful for the design of programs to conserve biodiversity at regional scales.
dc.formatapplication/pdf
dc.languageeng
dc.publisherBoletín Científico
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dc.relationNúm. 2 , Año 2019 : Julio - Diciembre
dc.relationhttps://revistasojs.ucaldas.edu.co/index.php/boletincientifico/article/download/101/74
dc.rightsDerechos de autor 2019 Andrés Viña
dc.rightshttps://creativecommons.org/licenses/by-nc-sa/4.0
dc.rightsinfo:eu-repo/semantics/openAccess
dc.rightsEsta obra está bajo licencia internacional Creative Commons Reconocimiento-NoComercial-CompartirIgual 4.0.
dc.rightshttp://purl.org/coar/access_right/c_abf2
dc.sourcehttps://revistasojs.ucaldas.edu.co/index.php/boletincientifico/article/view/101
dc.subjectlowland tropical forest
dc.subjecttree species
dc.subjectfragmentation
dc.subjectColombia
dc.subjectrarefaction
dc.subjectespecies de árboles
dc.subjectfragmentación
dc.subjectbosque tropical de tierras bajas
dc.subjectColombia
dc.subjectrarefacción
dc.titleEfectos de la fragmentación sobre la diversidad de especies de árboles en un área de bosque de tierras bajas en el piedemonte andino de Colombia.
dc.titleEffects of fragmentation on tree species diversity in a lowland tropical forest area of the andean foothills of Colombia.
dc.typeSección Conservación y Biodiversidad en Agroecosistemas
dc.typeArtículo de revista
dc.typeJournal Article
dc.typehttp://purl.org/coar/resource_type/c_6501
dc.typeText
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion
dc.typehttp://purl.org/coar/version/c_970fb48d4fbd8a85


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