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Colombia Forestal

Print version ISSN 0120-0739

Abstract

FERNANDEZ-MENDEZ, Fernando et al. Ecological recovery of affected areas by a forest fire in the Tintales watershed (Boyacá, Colombia). Colomb. for. [online]. 2016, vol.19, n.2, pp.143-160. ISSN 0120-0739.  https://doi.org/10.14483/udistrital.jour.colomb.for.2016.2.a02.

The tintales watershed, located in the Santuario de Flora y Fauna (SFF) of Iguaque, Boyaca, was affected by a wildfire. In that area, the natural regeneration was evaluated in 29 permanent plots. Two phyto-physiognomies, a rocky outcrop and oak were evaluated to compare their richness, diversity and dominance, with rocky outcrop yielding a greater richness and diversity. The Asteraceae family was the one that obtained greater representation, with a dominance of species such as Hypoxis decumbens, Pterídium aquilinum and Andropogon bicornis. The diversity in the whole sampling was low and uniform due to the repeated incidence of forest fires that have caused changes in the structure and composition of vegetation. The vegetation found did not differ substantially from other studies reported for this ‹ ‹life zone and the region, where the dynamics of land use are similar, with high deforestation and fires. The vegetation established after the fire is dominated by colonizing and pioneering species. In the two phyto physiognomies studied after a year of the fire, two plant communities with statistically significant differences in wealth and homogeneity could be stablished. To start the restoration process, it is recommended to use as one of the inputs, the taxonomic differences found between oak  and rocky outcrop.

Keywords : rocky outcrop; invasive species; natural regeneration; ecological restoration; oak.

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