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| Content Provider | Springer Nature Link |
|---|---|
| Author | Li, Wang Yan, Mu Qingfeng, Zhang Xingchang, Zhang |
| Copyright Year | 2012 |
| Abstract | The hydrogen isotope (deuterium- $$ \delta D $$ ) composition at natural abundance levels of xylem water, soil water, groundwater, river water, and rainwater was used to evaluate whether adult plant species use groundwater and to detect seasonal shifts (dry/wet season) in water sources for plants growing in a semi-arid coal-mining area (located at the frontier of the Mu Us Desert). A direct inference approach and the IsoSource mixing model were used to estimate the contributions of different sources to the plant xylem water. The results showed that (1) the $$ \delta D $$ values of rainfall fluctuated considerably, while those of groundwater were generally constant during the experimental period; (2) the $$ \delta D $$ patterns in plant xylem water suggest that groundwater was a significant source of water for transpiration in the dry season, while all five selected species reduced dependence on groundwater sources in the wet season; and (3) soil water from the deep layer (50–100 cm) was used largely by adult species possibly because of interspecific competition. These results indicated that coal mining would significantly affect plant growth by reducing the water supply if it leads to a water table decrease. Therefore, it is necessary to protect groundwater resources during the coal mining operations in the region. |
| Starting Page | 1015 |
| Ending Page | 1024 |
| Page Count | 10 |
| File Format | |
| ISSN | 18666280 |
| Journal | Environmental Earth Sciences |
| Volume Number | 69 |
| Issue Number | 3 |
| e-ISSN | 18666299 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2012-10-04 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Groundwater Plant water sources Stable isotopes IsoSource Populus simonii Geology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Global and Planetary Change Earth-Surface Processes Soil Science Environmental Chemistry Pollution Geology Water Science and Technology |
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