Estimating carbon dynamics in forest carbon pools under IPCC standards in South Korea using CBM-CFS3

Moonil Kim, Woo-Kyun Lee, Werner A. Kurz, Doo Ahn Kwak, Scott Morken, Carolyn E. Smyth, Donghoon Ryu

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The main objective of this study was to estimate past and future dynamics of forest carbon pools in South Korea, as classified by the Intergovernmental Panel on Climate Change (IPCC) Good Practice Guidance (GPG) and to test the Carbon Budget Model of the Canadian Forest Sector 3 (CBM-CFS3). Inventory data required in CBM-CFS3 were extracted from Korea’s 3rd Forest Type Map. The site index in the inventory data was estimated through regression models developed using c National Forest Inventory (NFI) data with 4000 plots. Necessary yield tables to a stand age of over 100 years, stratified by species, were prepared through the estimation of volume per ha with tree species, site index and stand age. We considered thinning and cutting regulations for sustainable forest management announced by the Korean Forest Service and that the forest area was constant over from 1992 to 2092. We estimated the carbon stocks and their changes of aboveground (AGB) and belowground (BGB) biomass, litter (L), dead wood (DW), and soil organic matter (SOM). Validation was conducted based on the 5th NFI and statistical data. Our results showed that the carbon content of the total forest area increased from 509.7 Tg C to 1007.3 Tg C at a rate of 11.8 Tg C yr-1 during 1992-2034. Results also showed that AGB, BGB, DW, L and SOM changed from 54.6, 30.2, 15.9, 43.6, and 373.9 Tg C in 1992 to 455.6, 100.77, 32.89, 65.46, and 369.2 Tg C in 2034, respectively. However, the amount of forest carbon was projected to decrease due to large increases in harvest rates as most of the forest reaches the legislated cutting age during 2035-2045. Our simulation estimated that by 2045 AGB, BGB, and SOM decreased to 347.8, 78.2, and 368.9 Tg C, respectively, while DW and L increased to 46.8 and 89.1 Tg C, respectively. The carbon content of the total forested area starts to stabilize after 2045 as the annual stand growth gradually decreases. Finally in 2092, the carbon content of AGB, BGB, DW, L, and SOM was estimated as 422.3, 93.9, 31.2, 63.0, and 365.1 Tg C, respectively. Through harvesting, over the 100 year period more than 200 Tg C were transferred from South Korea’s forests to meet demands for timber, fiber and energy. Good agreement between model results, NFI data and independent studies, demonstrates the applicability of CBM-CFS3 for estimating past and future forest carbon budgets in South Korean forests and for exploring forest management activity impacts in managed forests.

Original languageEnglish
Pages (from-to)83-92
Number of pages10
JournalIForest
Volume10
Issue number1
DOIs
Publication statusPublished - 2017 Feb 1

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Intergovernmental Panel on Climate Change
carbon budget
South Korea
carbon sinks
climate change
carbon
dead wood
national forests
soil organic matter
forest inventory
site index
forest management
belowground biomass
sustainable forestry
statistical data
forest types
thinning (plants)
thinning
timber
litter

Keywords

  • Carbon dynamics
  • CBM-CFS3
  • Forest management
  • Forest type map
  • National forest inventory

ASJC Scopus subject areas

  • Forestry
  • Ecology
  • Nature and Landscape Conservation

Cite this

Estimating carbon dynamics in forest carbon pools under IPCC standards in South Korea using CBM-CFS3. / Kim, Moonil; Lee, Woo-Kyun; Kurz, Werner A.; Kwak, Doo Ahn; Morken, Scott; Smyth, Carolyn E.; Ryu, Donghoon.

In: IForest, Vol. 10, No. 1, 01.02.2017, p. 83-92.

Research output: Contribution to journalArticle

Kim, Moonil ; Lee, Woo-Kyun ; Kurz, Werner A. ; Kwak, Doo Ahn ; Morken, Scott ; Smyth, Carolyn E. ; Ryu, Donghoon. / Estimating carbon dynamics in forest carbon pools under IPCC standards in South Korea using CBM-CFS3. In: IForest. 2017 ; Vol. 10, No. 1. pp. 83-92.
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