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| Content Provider | Springer Nature Link |
|---|---|
| Author | Wang, Shaoying Zhang, Yu Lü, Shihua Su, Peixi Shang, Lunyu Li, Zhaoguo |
| Copyright Year | 2015 |
| Abstract | The eddy covariance method was used to measure net ecosystem CO2 exchange (NEE) between atmosphere and an alpine meadow ecosystem in the eastern Tibetan Plateau of China in 2010. Our results show that photosynthesis was reduced under low air temperature (T a), high vapor pressure deficit (VPD), and medium soil water content (SWC) conditions, when compared to that under other T a (i.e., medium and high), VPD (i.e., low and medium), and SWC (i.e., low and high) conditions. The apparent temperature sensitivity of ecosystem respiration (Q 10) declined with progressing phenology during the growing season and decreased with an increase of soil temperature (T s) during the non-growing season. Increased ecosystem respiration (R eco) was measured during spring soil thawing. By the path analysis, T a, T s, and VPD were the main control factors of CO2 exchange at 30-min scale in this alpine meadow. Integrated NEE, gross primary production (GPP), and R eco over the measured year were −156.4, 1164.3, and 1007.9 g C m−2, respectively. Zoige alpine meadow was a medium carbon sink based on published data for grassland ecosystems. |
| Starting Page | 801 |
| Ending Page | 812 |
| Page Count | 12 |
| File Format | |
| ISSN | 00207128 |
| Journal | International Journal of Biometeorology |
| Volume Number | 60 |
| Issue Number | 6 |
| e-ISSN | 14321254 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2015-10-11 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Net ecosystem CO2 exchange Ecosystem respiration Alpine meadow Tibetan Plateau Environment Biophysics and Biological Physics Meteorology Animal Physiology Plant Physiology Environmental Health |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology Health, Toxicology and Mutagenesis Atmospheric Science |
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