The effect of human factors (cutting, burning and uprooting) on experimental heatland plots
DOI:
https://doi.org/10.3989/pirineos.1992.v140.169Keywords:
heatlands, prescribed burning, cutting, rooting out, regeneration, species diversity, heterogeneityAbstract
Regeneration response after prescribed burning, cutting and uprooting in experimental heatland plots dominated by Erica autralis subsp. aragonensis, was studied. The highest percentage cover of annual species was observed two years after the treatment. From that moment the therophytes tended to decrease and were replaced by perennial species natural to the community. The temporal heterogeneity calculated shows the greatest changes in the initial stages. Regeneration was by an autosuccession process, slower in the case of the uprooted plots due to the greatest impact.
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