미이용 산림바이오매스 공급에 있어 수확벌채의 원목 혼입량 추정
Estimation of the Amount of Round Wood in Unused Forest Biomass Reporting in Forest Clearing
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참고문헌
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초록
To respond to global warming, there is an increasing interest in eco-friendly alternative energy sources. Therefore,unused forest biomass that has been neglected due to a lack of marketability is attracting attention. With the introduction of the“unused forest biomass certification system” in 2019, ways of determining quantity of unused forest biomass have steadily increased. However, there have been reported cases whereby unused forest biomass weighed more than the amount of harvested trees. It wasfound that it was possible that forest resources that can be used as round wood were mixed with unused forest biomass. In this context,this study aimed to estimate the amount of mixed round wood in the unused forest biomass supply. The relative expression of growingstock/ha versus the amount of final clearing/ha collected was modeled (y=1.490x-94.341, R2=0.861). As a result, it was found thatround wood was mixed into the unused forest biomass, contributing to the disparity observed between the weighted forest biomass andthe amount of trees harvested. In conclusion, proper declaration and certification procedures should be carried out for the use of forestresources and promoting unused forest biomass usage.
Abstract
To respond to global warming, there is an increasing interest in eco-friendly alternative energy sources. Therefore,unused forest biomass that has been neglected due to a lack of marketability is attracting attention. With the introduction of the“unused forest biomass certification system” in 2019, ways of determining quantity of unused forest biomass have steadily increased. However, there have been reported cases whereby unused forest biomass weighed more than the amount of harvested trees. It wasfound that it was possible that forest resources that can be used as round wood were mixed with unused forest biomass. In this context,this study aimed to estimate the amount of mixed round wood in the unused forest biomass supply. The relative expression of growingstock/ha versus the amount of final clearing/ha collected was modeled (y=1.490x-94.341, R2=0.861). As a result, it was found thatround wood was mixed into the unused forest biomass, contributing to the disparity observed between the weighted forest biomass andthe amount of trees harvested. In conclusion, proper declaration and certification procedures should be carried out for the use of forestresources and promoting unused forest biomass usage.
참고문헌 (13)
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