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Impacts of the National Forest Rehabilitation Plan and Human-Induced Environmental Changes on the Carbon and Nitrogen Balances of the South Korean Forests

Authors
Kim, Hyung-SubNoulekoun, FlorentNoh, Nam-JinSon, Yo-Whan
Issue Date
9월-2021
Publisher
MDPI
Keywords
CO2 concentration; air temperature; climate change; human activities; modeling; nitrogen deposition
Citation
FORESTS, v.12, no.9
Indexed
SCIE
SCOPUS
Journal Title
FORESTS
Volume
12
Number
9
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/136701
DOI
10.3390/f12091150
ISSN
1999-4907
Abstract
Humans have affected the carbon (C) and nitrogen (N) cycles in forests; however, the quantification of the responses of forest C and N balances to human activities is limited. In this study, we have quantified the impacts of the long-term national forest rehabilitation plan and the contribution of the increase in air temperature, CO2 concentration, and N deposition on the C and N balances of the South Korean forests during 1973-2020 by using a biogeochemical model. During the simulation period, the C balance increased from 0.2 to 4.3 Mg C ha(-1) year(-1), and the N balance increased from 0.2 to 17.4 kg N ha(-1) year(-1). This resulted in the storage of 825 Tg C and 3.04 Tg N by the whole South Korean forests after the national forest rehabilitation plan. The increase in air temperature, CO2 concentration, and N deposition contributed -11.5, 17.4, and 177 Tg C to the stored C stock, respectively, and -25.4, 8.90, and 1807 Mg N to the stored N stock, respectively. This study provides references for future forest rehabilitation efforts and broadens our knowledge on the impacts of human-induced environmental changes on the C and N balances of forests.
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SON, Yo Whan
생명과학대학 (환경생태공학부)
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