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Colombia Forestal
versión impresa ISSN 0120-0739
Resumen
BELTRAN PINEDA, Mayra Eleonora; ROCHA GIL, Zulma Edelmira; BERNAL FIGUEROA, Andrea Angélica y PITA MORALES, Luz Adriana. Functional microorganisms in soil with and without revegetation in the municipality of Villa de Leyva-Boyaca. Colomb. for. [online]. 2017, vol.20, n.2, pp.158-170. ISSN 0120-0739. https://doi.org/10.14483/udistrital.jour.colomb.for.2017.2.a05.
Ecological restoration initiatives that include revegetation techniques are complex processes that can be affected by many biotic and abiotic variables. Among the latter, populations of microorganisms play a fundamental role in the release of nutrients and therefore in the establishment of plant species in the areas to be restored. The study sought to evaluate the density of microbial communities related to the nutrient cycles of carbon, phosphorus and nitrogen known as functional groups present in a revegetated soil and another zone without intervention in the municipality of Villa de Leyva. Methods used in this evaluation were standard plate counts using selective culture media, also a correlation analysis were also performed between groups to evidence possible ecological interactions. In general populations of all functional groups of microorganisms are present in the two zones evaluated. Only significant differences were found for counts of phosphate solubilizing bacteria and proteolytic microorganism populations (p≤0.05). Some statistically significant correlations were found between some microbial groups that could indicate processes of cometabolism and competition among microbial populations of the soil, which favors the ecological balance of the same.
Palabras clave : soil microorganisms; ecological restoration; revegetation.