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http://dx.doi.org/10.14578/jkfs.2014.103.2.264

Estimation of Stand Yield and Carbon Stock for Robinia pseudoacacia Stands in Korea  

Son, Yeong Mo (Center for Forest & Climate Change, Korea Forest Research Institute)
Kim, So Won (Center for Forest & Climate Change, Korea Forest Research Institute)
Lee, Sun Jeoung (Center for Forest & Climate Change, Korea Forest Research Institute)
Kim, Jeong Soo (Center for Forest & Climate Change, Korea Forest Research Institute)
Publication Information
Journal of Korean Society of Forest Science / v.103, no.2, 2014 , pp. 264-269 More about this Journal
Abstract
The aim of this study was to determine the current distribution area of Robinia pseudoacacia habitat and to estimate its stand yield as well as its carbon stocks. In order to do so, the area of R. pseudoacacia distribution is obtained based on the large-scaled forest type map (1:5,000). Also, Weibull diameter distribution model is used to predict the yield of R. pseudoacacia stands. In addition, carbon emission factor is applied to calculate carbon stocks and removals. To obtain the stand yield of R. pseudoacacia, we developed estimation equation considering growth factors of the stand, e.g. mean diameter, the basal area, maximum and minimun diameter and etc. and tested it to ensure accuracy. Consequently, estimation equation derived from all growth factors have shown significance that could also be used for analysis. Site index was also established to determine the productivity of the forestland that later turned out to be ranging from 16 to 22. Based on these results, stand yield tables were drawn up. R. pseudoacacia is widely distributed in inland areas of Gyeongsang, Chungcheong and Gyeonggi provinces which covers total area of 26,770 ha. And when it is converted into carbon stocks, it amounts to 2,517,598tC with annual carbon uptake of 3.76tC/ha which is comparable to Querqus species that is known to storer large amounts of carbon. Therefore, R. pseudoacacia is also expected to serve as a viable carbon pool that would contribute to the mitigation of climate change. Furthermore, stand yield tables, an outcome of this survey would assist not only in proper management but also in sustainable management policy of R. pseudoacacia.
Keywords
carbon stocks and removals; climate change; Robinia pseudoacacia; stand yield;
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