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| Content Provider | Springer Nature Link |
|---|---|
| Author | Son, Yowhan Lee, Sue Kyoung Yoon, Tae Kyung Seo, Kyung Won Kim, Choonsig Lee, Woo Kyun Bae, Sang Won Hwang, Jaehong |
| Copyright Year | 2010 |
| Abstract | We investigated the influence of stand density [938 tree ha−1 for high stand density (HD), 600 tree ha−1 for medium stand density (MD), and 375 tree ha−1 for low stand density (LD)] on soil CO2 efflux (R S) in a 70-year-old natural Pinus densiflora S. et Z. forest in central Korea. Concurrent with R S measurements, we measured litterfall, total belowground carbon allocation (TBCA), leaf area index (LAI), soil temperature (ST), soil water content (SWC), and soil nitrogen (N) concentration over a 2-year period. The R S (t C ha−1 year−1) and leaf litterfall (t C ha−1 year−1) values varied with stand density: 6.21 and 2.03 for HD, 7.45 and 2.37 for MD, and 6.96 and 2.23 for LD, respectively. In addition, R S was correlated with ST (R 2 = 0.77–0.80, P < 0.001) and SWC (R 2 = 0.31–0.35, P < 0.001). It appeared that stand density influenced R S via changes in leaf litterfall, LAI and SWC. Leaf litterfall (R 2 = 0.71), TBCA (R 2 = 0.64–0.87), and total soil N contents in 2007 (R 2 = 0.94) explained a significant amount of the variance in R S (P < 0.01). The current study showed that stand density is one of the key factors influencing R S due to the changing biophysical and environmental factors in P. densiflora. |
| Starting Page | 411 |
| Ending Page | 419 |
| Page Count | 9 |
| File Format | |
| ISSN | 09189440 |
| Journal | Journal of Plant Research |
| Volume Number | 123 |
| Issue Number | 4 |
| e-ISSN | 16180860 |
| Language | English |
| Publisher | Springer Japan |
| Publisher Date | 2010-04-08 |
| Publisher Place | Japan |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Litterfall Pinus densiflora Soil CO2 efflux Soil nitrogen Soil temperature Soil water content Stand density Plant Biochemistry Plant Physiology Plant Ecology Plant Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science |
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