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Article

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

1
Institute of Life Science and Natural Resource, Korea University, Seoul 02841, Korea
2
Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Korea
3
Agroforestry Systems and Ecology Laboratory, Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Korea
4
Department of Forest Resources, Kangwon National University, Chuncheon 24341, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Hubert Hasenauer
Forests 2021, 12(9), 1150; https://doi.org/10.3390/f12091150
Received: 5 July 2021 / Revised: 19 August 2021 / Accepted: 23 August 2021 / Published: 25 August 2021
(This article belongs to the Special Issue Carbon and Nitrogen in Forest Ecosystems—Series II)
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. View Full-Text
Keywords: modeling; human activities; climate change; air temperature; CO2 concentration; nitrogen deposition modeling; human activities; climate change; air temperature; CO2 concentration; nitrogen deposition
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MDPI and ACS Style

Kim, H.-S.; Noulèkoun, F.; Noh, N.-J.; Son, Y.-W. Impacts of the National Forest Rehabilitation Plan and Human-Induced Environmental Changes on the Carbon and Nitrogen Balances of the South Korean Forests. Forests 2021, 12, 1150. https://doi.org/10.3390/f12091150

AMA Style

Kim H-S, Noulèkoun F, Noh N-J, Son Y-W. Impacts of the National Forest Rehabilitation Plan and Human-Induced Environmental Changes on the Carbon and Nitrogen Balances of the South Korean Forests. Forests. 2021; 12(9):1150. https://doi.org/10.3390/f12091150

Chicago/Turabian Style

Kim, Hyung-Sub, Florent Noulèkoun, Nam-Jin Noh, and Yo-Whan Son. 2021. "Impacts of the National Forest Rehabilitation Plan and Human-Induced Environmental Changes on the Carbon and Nitrogen Balances of the South Korean Forests" Forests 12, no. 9: 1150. https://doi.org/10.3390/f12091150

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