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http://dx.doi.org/10.5532/KJAFM.2015.17.3.207

Effects of Forest Restoration Methods and Stand Structure on Microclimate in Burned Forest Stand  

Kim, Jeong Hwan (Korea Forest Research Institute)
Lim, Joo-Hoon (Korea Forest Research Institute)
Park, Chanwoo (Korea Forest Research Institute)
Kwon, Jino (Korea Forest Research Institute)
Choi, Hyung Tae (Korea Forest Research Institute)
Publication Information
Korean Journal of Agricultural and Forest Meteorology / v.17, no.3, 2015 , pp. 207-216 More about this Journal
Abstract
The study was conducted to determine the effects of forest restoration methods and stand structure on solar radiation, air temperature, relative humidity, soil temperature, and soil water content, based on volume, in forest stand after forest fire. The changes of the micro-climate elements in naturally and artificially restored forest after forest fire were measured in Goseong and Samcheok, Gangwon province. Pinus spp. were commonly appeared in ridges, barren lands or planted areas of the study sites while the other areas were dominated by Quercus spp. In the early stage, trees in the naturally regenerated site grow better than the trees in artificially rehabilitated site. However, the growth ratio rapidly decreased by time passed in natural regeneration area. The environmental conditions (solar radiation, air temperature, relative humidity, soil temperature and soil water content) were significantly different by the regions and the methods (p<.05). However, the coefficients of variations of the environmental conditions were not significantly different at 95% confidence level. As the coverage and tree height in crown layer increased, the relative humidity and soil water content were increased while the temperature and solar radiation were decreased. Especially, the relative humidity, solar radiation, and soil water content were clearly affected by the tree height and coverage ratio ($R^2$ means from 0.628 to 0.924). Even though the data should have collected at least more than 5 years in meteorological analysis, the two year results show some clear relationship between forest structure and microclimate elements.
Keywords
Post-fire; Regeneration; Correlation; Temperature; Soil water content; Coverage ratio;
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