Soils in forest ecosystems provide an environment for plants, the primary producers, to grow and store large amounts of carbon (Lee and Son 2006 Vitousek 1991). Litters are a major route for transportation of stored C from photosynthesis to the soil. In forest communities, biomass per unit area serves as an indicator of material production (Kim 2004 Kim, 2012 Yeochen Ecological Research Society 2005). Therefore, forest ecosystem serves as an important mediator in balancing atmospheric CO 2 concentration. Forests account for about one third of the land area, and they store about 80% of C from the aboveground terrestrial ecosystem and about 40% of C from the belowground ecosystem in the form of aboveground or belowground biomass, dead tree, litter floor, and soil organic matter (Dixon et al. Forest ecosystems play a key role in global terrestrial carbon cycle owing to their huge C pool and high productivity (Schlesinger 1997). The subalpine forest is a carbon reservoir that stores a large amount of organic carbon in the forest soils and is expected to provide a high level of ecosystem services.Ī growing literature is reporting on how the terrestrial carbon cycle is experiencing year-to-year variability because of climate anomalies and trends caused by global change (Baldocchi et al. We also compared our results of organic carbon budget in subalpine forest at volcanic island with data synthesized from subalpine forests in various countries.
Halla was below 50%, but AOCD of soil in Mt.
sargentii forest.Ĭompared to the amount of organic carbon distribution (AOCD) of aboveground vegetation (57.15 t C ha −1) on the subalpine-alpine forest in India, AOCD of vegetation in the subalpine forest in Mt. However, the amount of soil organic carbon distribution was the highest in the J. koreana forest than in the other two forests. Organic carbon distribution of vegetation and NPP were bigger in the A. To clarify the carbon distribution and carbon budget in the subalpine zone at volcanic Jeju Island, Korea, we report the C stock and changes therein owing to vegetation form, litter production, forest floor, and soil, and soil respiration between 20, for three subalpine forest ecosystems, namely, Abies koreana forest, Taxus cuspidata forest, and Juniperus chinensis var. The Northern Hemisphere forest ecosystem is a major sink for atmospheric carbon dioxide, and the subalpine zone stores large amounts of carbon however, their magnitude and distribution of stored carbon are still unclear.
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