wAbstract
@Regional air pollution in northeast Asia is an emerging environmental
problem requiring long-term impact assessment of acidic deposition.
In this study, the gridded distribution of nitrogen uptake led
by both growing forests and harvested biomass for eight tree species:
Japanese Larch, Red pine, Korean pine, Oak
tree, Chestnut, Other Conifers, Other broad
leaved trees, and Mixed forest was identified to estimate
critical loads for nitrogen over South Korea. The gridded spatial
distribution of averaged nitrogen uptake was mapped by 0.125K
Latitude ~ 0.125KLongitude resolution. The results showed that
net uptake of nitrogen led by both growth and harvested biomass
was totaled at 438 molc ha-1 year-1
among which harvested biomass contribution was estimated to be
25 molc ha-1 year-1,
yielding a very small fraction of total nitrogen uptake presumably
due to the younger stages of forest in South Korea.
Keywords: Nitrogen uptake; Net growth forest; Harvested biomass;
Critical load for nitrogenx
1. Introduction
2. Estimation of nitrogen uptake
@2.1. Maximum critical loads of nitrogen and nitrogen uptake
@2.2. Method, data and underlying assumptions
3. Results
4. Conclusions
Acknowledgements
References