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dc.contributor.authorParado Roselli, Angelaspa
dc.date.accessioned2007-01-01 00:00:00
dc.date.accessioned2023-09-19T21:05:34Z
dc.date.available2007-01-01 00:00:00
dc.date.available2023-09-19T21:05:34Z
dc.date.issued2007-01-01
dc.identifier.issn0120-0739
dc.identifier.urihttp://test.repositoriodigital.com:8080/handle/123456789/44153
dc.description.abstractSe estudiaron los patrones de distribución espacial de semillas y plántulas respecto al parental (sombra de semillas y plántulas, respectivamente) de Dacrydes chimantensis (Burseraceae) y Brosimun utile (Moraceae) dos especies de árboles tropicales característicos del bosque de tierra firme de la Amazonia colombiana. El objetivo central consistió en evaluar si el patrón impuesto por la dispersión cambia y/o persiste en los estadios posteriores que ocurren durante la dispersión cambia y la transición a individuos adultos. Para cada una de las especies se caracterizó la sombra de semillas y plántulas sobre el suelo a lo largo de cuatrotransectos radiales de 50m desde la base del árbol parental. Se determinaron las fuentes y el grado de depredación de semillas y plántulas a medida que cambia la distancia al árbol parental y se evaluó la correspondencia y/o los cambios del patrón de distribución entre estadios. Los resultados mostraron que tanto para Dacroydes como para Brosimum, la cantidad de semillas disminuyó de forma leptocúrtica con la distancia y estuvo más concentrada hacia el parental. Esto, sin embargo, fue mucho más pronunciado en Dacryodes que en Brosimum. La misma tendencia de distribución se presentó para la distribución de las plántulas de estas especies, la cual estuvo positivamente correlacionada con los patrones de distribución de semillas. Se encontró que la depredación de semillas y plántulas estuvo correlacionada positivamente con la densidad de semillas y negativamente con la distancia al parental. Se discuten las causas que estarían generando la alta correspondencia entre los patrones espaciales de distribución de semillas y plántulas de Dacryodes y Brosimum, sus implicaciones en la estructura de la población de estas dos especies y en el debate sobre los factores que determinan los patrones de distribución espacial de especies en los bosques tropicales.spa
dc.description.abstractThe spatial patterns of seed and seedling distribution relative to parents trees (seed ans seedling shadow, rspectively) were studied for Dacrydes chimantesis (Burseraceae) and Brosimum utile (Moraeae), two common tree species of terra firme forest of Colombian Amazonia. The general objective was to assess whether the patterns imposed by seed dispersal change or persist in subsequent life stages occurring during the transition from seeds/saplings to adult stages. Seed and seedling shadows on the ground were characterized for each tree species along four 50-m radial transects from the base of the parent tree. Causes of seed and seedling predation as a function of distance to the parent tree were determined, as well as the spatial consistency between life stages. Results showed that seed density of both Dacroydes and Brosimun declined leptokurtically with distance, and it was skewed towards the parent tree. However, seed density was more skewedand leptokurtic in Dacrydes than in Brosimum. The overall trend was maintained in the seedling stage of both species and was positively correlated with the distribution patterns of seeds. Seed and seedling predation were positively correlated with density and negatively correlated with the distance from the parent tree. Factors that could be generating the high consistency between the spatial patterns of seed seedling distribution are discussed, as well as its implications in the population structure of both species and the debate on the factors that influence the spatial distribution of plant species in tropical rain forest.eng
dc.format.mimetypeapplication/pdfspa
dc.format.mimetypetext/htmlspa
dc.language.isospaspa
dc.publisherUniversidad Distrital Francisco José de Caldasspa
dc.rights.urihttps://creativecommons.org/licenses/by-nc-sa/4.0/spa
dc.sourcehttps://revistas.udistrital.edu.co/index.php/colfor/article/view/2975spa
dc.subjectBrosimum utilespa
dc.subjectDacryodes chimantensisspa
dc.subjectAmazonia colombianaspa
dc.subjectsombra de semillasspa
dc.subjectsombra de plántulasspa
dc.subjectmodelo Janzen y Connellspa
dc.subjectBrosimum utilespa
dc.subjectDacroydes chimantensisspa
dc.subjectAmazonia colombianaspa
dc.subjectsombra de semillasspa
dc.subjectsombra de plántulasspa
dc.subjectmodelo Janzen y Conell.spa
dc.subjectBrosimum utileeng
dc.subjectDacryodes chimantensiseng
dc.subjectcolombian Amazoneng
dc.subjectseed shadoweng
dc.subjectseedling shadoweng
dc.subjectJanzen and Connell model.eng
dc.subjectBosimum utileeng
dc.subjectDacryodes chimantesiseng
dc.subjectcolombian Amazoneng
dc.subjectseed shadoweng
dc.subjectseedling shadoweng
dc.subjectJanze and Connell model.eng
dc.titleDistribución espacial de semillas y plántulas de dos especies de árboles tropicales: ¿hay correspondencia entre los patrones?spa
dc.typeArtículo de revistaspa
dc.identifier.doi10.14483/udistrital.jour.colomb.for.2007.1.a01
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.type.coarhttp://purl.org/coar/resource_type/c_6501spa
dc.type.coarhttp://purl.org/coar/resource_type/c_2df8fbb1spa
dc.type.localJournal articleeng
dc.title.translatedSpatial distribution of seeds and seedlings of two species of tropical trees: is there any correspondence between the patterns?eng
dc.rights.coarhttp://purl.org/coar/access_right/c_abf2spa
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dc.relation.citationvolume10spa
dc.relation.citationissue20spa
dc.relation.citationeditionNúm. 20 , Año 2007 : Enero-Diciembrespa
dc.relation.ispartofjournalColombia forestalspa
dc.identifier.eissn2256-201X
dc.identifier.urlhttps://doi.org/10.14483/udistrital.jour.colomb.for.2007.1.a01
dc.relation.citationstartpage5
dc.relation.citationendpage25
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