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Early-spring soil warming partially offsets the enhancement of alpine grassland aboveground productivity induced by warmer growing seasons on the Qinghai-Tibetan Plateau
Liang Guo1; Ji Chen2,3; Eike Luedeling4,5; Jin-Sheng He6,7; Jimin Cheng1; Zhongming Wen1; Changhui Peng1,8; Peng, CH (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China.
SubtypeArticle
2018
Source PublicationPLANT AND SOIL
ISSN0032-079X
description.correspondentemailpeng.changhui@uqam.ca
Volume425Issue:1-2Pages:177-188
AbstractAims The response of vegetation productivity to global warming is becoming a worldwide concern. While most reports on responses to warming trends are based on measured increases in air temperature, few studies have evaluated long-term variation in soil temperature and its impacts on vegetation productivity. Such impacts are especially important for high-latitude or high-altitude regions, where low temperature is recognized as the most critical limitation for plant growth. Methods We used Partial Least Squares regression to correlate long-term aboveground net primary productivity (ANPP) data of an alpine grassland on the Qinghai-Tibetan Plateau with daily air and soil temperatures during 1997-2011. We also analyzed temporal trends for air temperature and soil temperature at different depths. Results Soil temperatures have steadily increased at a rate of 0.4-0.9 degrees C per decade, whereas air temperatures showed no significant trend between 1997 and 2011. While temperature increases during the growing season (May-August) promoted aboveground productivity, warming before the growing season (March-April) had a negative effect on productivity. The negative effect was amplified in the soil layers, especially at 15 cm depth, where variation in aboveground productivity was dominated by early-spring soil warming, rather than by increasing temperature during the growing season. Conclusions Future warming, especially in winter and spring, may further reduce soil water availability in early spring, which may slow down or even reverse the increases in grassland aboveground productivity that have widely been reported on the Qinghai-Tibetan Plateau.
KeywordAboveground Net Primary Productivity (Anpp) Alpine Grassland Climate Warming Qinghai-tibetan Plateau Soil Temperature
Subject AreaAgriculture ; Plant Sciences
DOI10.1007/s11104-018-3582-0
Indexed BySCI
Publication PlaceVAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
Language英语
WOS IDWOS:000430992300012
PublisherSPRINGER
Funding OrganizationNational Natural Science Foundation of China [41701606, 41701292] ; National Natural Science Foundation of China [41701606, 41701292] ; National Key Research Program of China [2016YFC0500700] ; National Key Research Program of China [2016YFC0500700] ; China Postdoctoral Science Foundation [2016 M590974, 2017M610647] ; China Postdoctoral Science Foundation [2016 M590974, 2017M610647] ; Natural Science Basic Research Plan in Shaanxi Province [2017JQ3015, 2017JQ3041] ; Natural Science Basic Research Plan in Shaanxi Province [2017JQ3015, 2017JQ3041] ; West Light Foundation of the Chinese Academy of Sciences [K318021507] ; West Light Foundation of the Chinese Academy of Sciences [K318021507] ; Northwest AF University [2452016108] ; Northwest AF University [2452016108] ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Fundamental Research Funds for the Central Universities [3102016QD078] ; Fundamental Research Funds for the Central Universities [3102016QD078]
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8269
Collection水保所科研产出--SCI_2018--SCI
Corresponding AuthorPeng, CH (reprint author), Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China.
Affiliation1.Northwest A&F Univ, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
2.Northwestern Polytech Univ, Ctr Ecol & Environm Sci, Key Lab Space Biosci & Biotechnol, Xian 710072, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710061, Peoples R China
4.Univ Bonn, D-53121 Bonn, Germany
5.World Agroforestry Ctr, Nairobi 00100, Kenya
6.Peking Univ, Dept Ecol, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
7.Chinese Acad Sci, Northwest Inst Plateau Biol, Key Lab Adaptat & Evolut Plateau Biota, Xining 810008, Peoples R China
8.Univ Quebec Montreal, Inst Environm Sci, Dept Biol Sci, Montreal, PQ H3C 3P8, Canada
Recommended Citation
GB/T 7714
Liang Guo,Ji Chen,Eike Luedeling,et al. Early-spring soil warming partially offsets the enhancement of alpine grassland aboveground productivity induced by warmer growing seasons on the Qinghai-Tibetan Plateau[J]. PLANT AND SOIL,2018,425(1-2):177-188.
APA Liang Guo.,Ji Chen.,Eike Luedeling.,Jin-Sheng He.,Jimin Cheng.,...&Peng, CH .(2018).Early-spring soil warming partially offsets the enhancement of alpine grassland aboveground productivity induced by warmer growing seasons on the Qinghai-Tibetan Plateau.PLANT AND SOIL,425(1-2),177-188.
MLA Liang Guo,et al."Early-spring soil warming partially offsets the enhancement of alpine grassland aboveground productivity induced by warmer growing seasons on the Qinghai-Tibetan Plateau".PLANT AND SOIL 425.1-2(2018):177-188.
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