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dc.contributor.authorRamírez, Beatriz Hspa
dc.contributor.authorParrado Rosselli, Angelaspa
dc.contributor.authorStevenson, Pablospa
dc.date.accessioned2009-01-01 00:00:00
dc.date.accessioned2023-09-19T21:05:57Z
dc.date.available2009-01-01 00:00:00
dc.date.available2023-09-19T21:05:57Z
dc.date.issued2009-01-01
dc.identifier.issn0120-0739
dc.identifier.urihttp://test.repositoriodigital.com:8080/handle/123456789/44180
dc.description.abstractLas hojas jóvenes de Astrocaryum chambira son utilizadas por las comunidades indígenas amazónicas como materia prima para la fabricación de artesanías. Sin embargo, son muy pocos los estudios acerca de su historia de vida y de los impactos indirectos causados por la disminución de sus agentes dispersores. Teniendo en cuenta que la pérdida de animales dispersores de semillas por factores como cacería y modificación de hábitat afecta la dispersión de semillas de las especies de plantas tropicales, el objetivo de este estudio fue comparar la dispersión de semillas de A. chambira en tres bosques de tierra firme del Amazonas colombiano sujetos a diferentes niveles de intervención antrópica. Censamos las densidades de los agentes dispersores de A. chambira y caracterizamos la sombra de semillas. También marcamos semillas con el fin de estimar las distancias de dispersión y establecimos estaciones experimentales de densodistancio-dependencia para evaluar su relevancia en la dispersión de semillas de esta especie. Los resultados muestran que la remoción de semillas fue proporcional a la densidad de animales y al nivel de intervención del bosque. Los insectos fueron los principales depredadores en todos los sitios pero su efecto fue menos pronunciado en el bosque menos intervenido. La densidad de semillas no generó ningún efecto en la remoción, mientras que encontramos una mayor probabilidad de supervivencia a distancias intermedias de la palma (10 m). Estudios futuros se deberían enfocar en el establecimiento de las plántulas, las tasas de reclutamiento y el efecto de la intervención antrópica en los posteriores estadios de vida de esta palma tropical.spa
dc.description.abstractThe young leaves of Astrocaryum chambira are used by the indigenous people in the Amazon as raw material for handicrafts. However, few studies have been made on the natural history of this palm and on the indirect impact caused by the decrease of its dispersal agents. Considering that the loss of animal dispersal vectors due to hunting and landscape modification can affect seed dispersal processes of tropical forest plants, the goal of this study was to compare seed dispersal of A. chambira in three terra firme forests of the Colombian Amazon, with different degrees of human intervention. We censused densities of dispersal agents of A. chambira, and characterized the seed shadow. We also marked seeds to estimate dispersal distances, and established density and distance-dependent experimental stations to assess their relevance on seed dispersal. The results showed that seed removal was proportional to dispersal agent densities and forest intervention levels. Insects were the main seed predators in all sites but their effect was less pronounced in the low intervened forest site. Seed density did not show any effect on removal, while a higher probability of survival at intermediate distances from the parent palm (10 m) was found. Future studies should focus on seedling establishment, recruitment rates and the effects of human intervention on subsequent life stages of the palm.eng
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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/3030spa
dc.subjectAmazon foresteng
dc.subjectchambira palmeng
dc.subjectseed predationeng
dc.subjectinsect seed predationeng
dc.subjectrodents.eng
dc.subjectAmazon foresteng
dc.subjectchambira palmeng
dc.subjectseed predationeng
dc.subjectinsect seed predationeng
dc.subjectrodentseng
dc.subjectbosque amazónicospa
dc.subjectdepredación de semillasspa
dc.subjectdepredación por insectosspa
dc.subjectpalma de chambiraspa
dc.subjectroedores.spa
dc.subjectbosque amazónicospa
dc.subjectdepredación de semillasspa
dc.subjectdepredación por insectosspa
dc.subjectpalma de chambiraspa
dc.subjectroedoresspa
dc.titleDispersión de semillas de la palma útil (Astrocaryum chambira Burret) en tres bosques amazónicos con diferente grado de intervención humanaspa
dc.typeArtículo de revistaspa
dc.identifier.doi10.14483/udistrital.jour.colomb.for.2009.1.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.translatedSEED DISPERSAL OF A USEFUL PALM (Astrocaryum chambira Burret) IN THREE AMAZONIAN FORESTS WITH DIFFERENT HUMAN INTERVENTIONeng
dc.rights.coarhttp://purl.org/coar/access_right/c_abf2spa
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dc.identifier.urlhttps://doi.org/10.14483/udistrital.jour.colomb.for.2009.1.a01
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