Arid
DOI10.1007/s11629-020-6472-x
Degradation significantly decreased the ecosystem multifunctionality of three alpine grasslands: evidences from a large-scale survey on the Qinghai-Tibetan Plateau
Xu, Yu-dan; Dong, Shi-kui; Shen, Hao; Xiao, Jian-nan; Li, Shuai; Gao, Xiao-xia; Wu, Sheng-nan
通讯作者Dong, SK (corresponding author), Beijing Normal Univ, Sch Environm, Beijing 100875, Peoples R China. ; Dong, SK (corresponding author), Beijing Forestry Univ, Sch Grassland Sci, Beijing 100083, Peoples R China.
来源期刊JOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
EISSN1993-0321
出版年2021
卷号18期号:2页码:357-366
英文摘要Owing to the joint effects of ecosystem fragility, anthropogenic disturbance and climate change, alpine grasslands (alpine meadow, alpine steppe and alpine desert) have experienced serious degradation during the past several decades. Grasslands degradation has severely affected the delivery of ecosystem multifunctionality (EMF) and services, and then threatens the livelihood of local herdsmen and ecological security of China. However, we still lack comprehensive insights about the effects of degradation and climatic factors on EMF of alpine grasslands, especially for alpine desert ecosystem. Therefore, we applied a large-scale field investigation to answer this question. Our results suggested grassland degradation significantly decreased the belowground ecosystem multifunctionality (BEMF) and EMF of alpine grasslands and aboveground ecosystem multifunctionality (AEMF) of alpine meadow, while did not reduce the AEMF of alpine steppe and desert. Except for the insignificant difference between degraded steppe and degraded desert in AEMF, the alpine meadow showed the highest AEMF, BEMF and EMF, alpine steppe ranked the second and alpine desert was the lowest. AEMF, BEMF and EMF of health alpine grasslands were strongly affected by mean annual precipitation (MAP) (19%-51%) and mean annual temperature (MAT) (9%-36%), while those of degraded meadow and degraded desert were not impacted by precipitation and temperature. AEMF and BEMF showed a synergistic relationship in healthy alpine grasslands (12%-28%), but not in degraded grasslands. Our findings emphasized the urgency of implementing the feasible ecological restoration project to mitigate the negative influences of grassland degradation on EMF of alpine ecosystems.
英文关键词Climatic factors Ecosystem multifunctionality Grassland degradation Grassland type Plant community Soil nutrient
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000615794600005
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
来源机构北京师范大学 ; 北京林业大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/348025
作者单位[Xu, Yu-dan; Dong, Shi-kui; Shen, Hao; Xiao, Jian-nan; Gao, Xiao-xia] Beijing Normal Univ, Sch Environm, Beijing 100875, Peoples R China; [Dong, Shi-kui; Wu, Sheng-nan] Beijing Forestry Univ, Sch Grassland Sci, Beijing 100083, Peoples R China; [Li, Shuai] Shanxi Agr Univ, Coll Resources & Environm, Jinzhong 030801, Peoples R China
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Xu, Yu-dan,Dong, Shi-kui,Shen, Hao,et al. Degradation significantly decreased the ecosystem multifunctionality of three alpine grasslands: evidences from a large-scale survey on the Qinghai-Tibetan Plateau[J]. 北京师范大学, 北京林业大学,2021,18(2):357-366.
APA Xu, Yu-dan.,Dong, Shi-kui.,Shen, Hao.,Xiao, Jian-nan.,Li, Shuai.,...&Wu, Sheng-nan.(2021).Degradation significantly decreased the ecosystem multifunctionality of three alpine grasslands: evidences from a large-scale survey on the Qinghai-Tibetan Plateau.JOURNAL OF MOUNTAIN SCIENCE,18(2),357-366.
MLA Xu, Yu-dan,et al."Degradation significantly decreased the ecosystem multifunctionality of three alpine grasslands: evidences from a large-scale survey on the Qinghai-Tibetan Plateau".JOURNAL OF MOUNTAIN SCIENCE 18.2(2021):357-366.
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