Abstract
The aim of this work was to study the changes of plant biomass in primary succession after a forest mining in the municipalities of Certegui and Union Panamericana, Department of Choco, Colombia. For which, was evaluated by the method of chronosequence, aboveground and belowground biomass of five zones with different periods of time (between 1.5 and 6 years) after mining. Equations were used to calculate the carbon biomass of the plots and used a growth model of von Bertalanffy model the change in plant biomass over time. Generally found in areas with degraded by mining various stages regeneration occurred biomass values between 104.83 g m 2 and 4115.46 g m 2 (equivalent to between 1.05 t ha -1 and 41.15 t ha -1 ). Plant biomass increased significantly over time. The modeling of plant biomass versus time showed that after the disturbances caused by mining colonizing vegetation of these soils takes over 1000 years to reach a similar average biomass than in primary forests of the region. In terms of global climate change is essential to the recovery of areas degraded by mining in the region as a strategy to increase ecosystem carbon sequestration and mitigate environmental problems.
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