Forestación de bosques en sabanas de la altillanura colombiana: relevancia de las condiciones ambientales para el establecimiento de plántulas

One way to counteract climate change is to plant forests with high carbon storage capacity. In this study we report the results of a reforestation project in savannas of the Tomogrande Reserve, in Vichada Department, Colombia. We restricted fire in six one-hectare plots: in two seasonally inundated...

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Autores:
Tipo de recurso:
Fecha de publicación:
2017
Institución:
Instituto de Investigación de Recursos Biológicos Alexander von Humboldt
Repositorio:
Repositorio Institucional de Documentación Científica
Idioma:
spa
OAI Identifier:
oai:repository.humboldt.org.co:20.500.11761/32533
Acceso en línea:
http://hdl.handle.net/20.500.11761/32533
Palabra clave:
Barreras de establecimiento
Bosques de galería en Colombia
Sabanas inundables
Supervivencia de plántulas
Flooded savannas
Gallery forests in Colombia
Plant establishment barriers
Plant survival
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License
http://purl.org/coar/access_right/c_abf2
Description
Summary:One way to counteract climate change is to plant forests with high carbon storage capacity. In this study we report the results of a reforestation project in savannas of the Tomogrande Reserve, in Vichada Department, Colombia. We restricted fire in six one-hectare plots: in two seasonally inundated and two highland savannas we planted seedlings of trees found in the Orinoco Basin and nearby gallery forests and in two of them we did not plant seedlings (control plots). Out of 200 seedlings planted in well-drained savannas, only 17 % survived after two and a half years (33 % came from nearby forest and 12 % from other areas). None of the 182 seedlings planted in flooded savannas survived at the end of the study. The main mortality cause in well-drained savannas was wilting. We concluded that in addition to the control of fire, seedling establishment of forest trees in savannas is highly affected by climatic and light conditions and for this reason the trees with highest potential for restoration are the ones already found at the site in the same ecological conditions (e.g. forest edge).