دورية أكاديمية
Intensified vegetation water use under acid deposition.
| العنوان: | Intensified vegetation water use under acid deposition. |
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| المؤلفون: | Lanning M; Department of Earth Sciences, Indiana University-Purdue University Indianapolis (IUPUI), Indianapolis, IN 46202, USA., Wang L; Department of Earth Sciences, Indiana University-Purdue University Indianapolis (IUPUI), Indianapolis, IN 46202, USA., Scanlon TM; Department of Environmental Sciences, University of Virginia, Charlottesville, VA 22903, USA., Vadeboncoeur MA; Earth Systems Research Center, University of New Hampshire, Durham, NH 03824, USA., Adams MB; US Forest Service, Northern Research Station, Morgantown, WV 26505, USA., Epstein HE; Department of Environmental Sciences, University of Virginia, Charlottesville, VA 22903, USA., Druckenbrod D; Department of Geological, Environmental, and Marine Sciences, Rider University, Lawrenceville, NJ 08648, USA. |
| المصدر: | Science advances [Sci Adv] 2019 Jul 31; Vol. 5 (7), pp. eaav5168. Date of Electronic Publication: 2019 Jul 31 (Print Publication: 2019). |
| نوع المنشور: | Journal Article; Research Support, U.S. Gov't, Non-P.H.S. |
| اللغة: | English |
| بيانات الدورية: | Publisher: American Association for the Advancement of Science Country of Publication: United States NLM ID: 101653440 Publication Model: eCollection Cited Medium: Internet ISSN: 2375-2548 (Electronic) Linking ISSN: 23752548 NLM ISO Abbreviation: Sci Adv Subsets: MEDLINE |
| أسماء مطبوعة: | Original Publication: Washington, DC : American Association for the Advancement of Science, [2015]- |
| مواضيع طبية MeSH: | Ecosystem*, Calcium/*metabolism , Soil/*chemistry , Water/*metabolism, Acids/chemistry ; Fossil Fuels/adverse effects ; Nitrates/metabolism ; Nitrogen/metabolism |
| مستخلص: | Despite the important role vegetation plays in the global water cycle, the exact controls of vegetation water use, especially the role of soil biogeochemistry, remain elusive. In this study, we reveal a new mechanism of soil biogeochemical control of large-scale vegetation water use. Nitrate and sulfate deposition from fossil fuel burning have caused substantial soil acidification, leading to the leaching of soil base cations. Of these, calcium has a unique role in plant cells by regulating stomatal aperture, thus affecting vegetation water use. We hypothesized that the leaching of the soil calcium supply, induced by acid deposition, would increase large-scale vegetation water use. We present evidence from a long-term whole watershed acidification experiment demonstrating that the alteration of the soil calcium supply by acid deposition can significantly intensify vegetation water use (~10% increase in evapotranspiration) and deplete available soil water. These results are critical to understanding future water availability, biogeochemical cycles, and surface energy flux and to help reduce uncertainties in terrestrial biosphere models. |
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| المشرفين على المادة: | 0 (Acids) 0 (Fossil Fuels) 0 (Nitrates) 0 (Soil) 059QF0KO0R (Water) N762921K75 (Nitrogen) SY7Q814VUP (Calcium) |
| تواريخ الأحداث: | Date Created: 20190809 Date Completed: 20200429 Latest Revision: 20200429 |
| رمز التحديث: | 20221213 |
| مُعرف محوري في PubMed: | PMC6669010 |
| DOI: | 10.1126/sciadv.aav5168 |
| PMID: | 31392267 |
| قاعدة البيانات: | MEDLINE |
Full Text Finder | تدمد: | 2375-2548 |
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| DOI: | 10.1126/sciadv.aav5168 |