UBC Undergraduate Research

Post-fire regeneration : a spatial and temporal study of tree and vegetation regeneration Leclerc, Marie-Eve


Climate change and fire suppression are both important factors in the future of our forests. With drier longer summers, higher fuel loads and denser stand structures, fire risks are imminent. Understanding the dynamics of a growing forest could potentially lead to more efficient reforestation of disturbed sites. At Knife Creek a study was undertaken to spatially and temporally compare vegetation and tree seedling composition between plots that burned at moderate and high severity in contrast to control plots that did not burn. It was found that paper birch, Douglas-fir and trembling aspen have success at establishing the growing season immediately following a fire. The species composition varied across all burn types as well as their dominance. In 2014, the moderate burn sites had the highest diversity, and the control sites had the highest Uncertainty. In 2015, the high burn sites had the highest diversity and the moderate sites the highest Uncertainty.

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