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http://dx.doi.org/10.14578/jkfs.2014.103.4.613

Assessment of Stand Diversity Change by Different Silvicultural Treatments for Natural Deciduous Forests in Mt. Gariwang  

Sung, Joo Han (Division of Forest Ecology, Korea Forest Research Institute)
Lee, Young Geun (Division of Forest Ecology, Korea Forest Research Institute)
Park, Ko Eun (Division of Forest Ecology, Korea Forest Research Institute)
Shin, Man Yong (Department of Forest, Environment, and System, Kookmin University)
Publication Information
Journal of Korean Society of Forest Science / v.103, no.4, 2014 , pp. 613-621 More about this Journal
Abstract
This study was conducted to estimate the changes of stand diversity before and after applying three different silvicultural treatments such as selection cutting system, two-storied system, and shelterwood system. Data were collected in the natural deciduous forests in Pyungchang of Gangwon Province, Korea. Nine permanent sampling plots of 0.09 ha were established in the forests and the each of silvicultural treatments was applied to three sampling plots, respectively. Some tree variables were measured in each stand before and after the silvicultural treatments were applied. With these data, stand attributes were estimated in each stand before and after the silvicultural treatments. In this study, two different indices related to each of stand diversity indices such as contagion, DBH-difference, height-difference, and mingling were estimated and compared to analyze the differences of stand diversity among the stands before and after silvicultural treatments. As a result, total eight stand diversity indices were used to analyze the differences among structures of stands managed by three different silvicultural treatments. Duncan's multiple range test and t-test were then employed to statistically analyze the difference of stand diversity among the stands. The results revealed that stand structures seem to be improved after applying the silvicultural treatments. There are significant differences in the stand diversity indices between before and after silvicultural treatments for each stand. According to the evaluation of stand diversity indices, it was confirmed that spatial structure of the stands was improved by applying the silvicultural treatments.
Keywords
natural deciduous forest; stand diversity indices; stand structure; selection cutting system; two-storied system; shelterwood system;
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