文献类型：期刊文献

英文题名：The carbon stock of alpine peatlands on the Qinghai-Tibetan Plateau during the Holocene and their future fate

作者：Chen, Huai[1,2,3,4] Yang, Gang[3,4] Peng, Changhui[3,5] Zhang, Yao[3] Zhu, Dan[1,2,4] Zhu, Qiuan[3,4] Hu, Ji[3,4] Wang, Mei[1,2,4] Zhan, Wei[3,4] Zhu, Erxiong[3,4] Bai, Zengzhi[3] Li, Wei[1,2,4] Wu, Ning[1,2,4,6] Wang, Yanfen[4,7] Gao, Yongheng[4,8] Tian, Jianqing[4,9] Kang, Xiaoming[4,10] Zhao, Xinquan[1,2,4,11] Wu, Jianghua[4,12]

第一作者：Chen, Huai

通信作者：Chen, H[1]

机构：[1]Chinese Acad Sci, Chengdu Inst Biol, Key Lab Mt Ecol Restorat & Bioresource Utilizat, Beijing 100864, Peoples R China;[2]Chinese Acad Sci, Chengdu Inst Biol, Ecol Restorat Biodivers Conservat Key Lab Sichuan, Beijing 100864, Peoples R China;[3]Northwest A&F Univ, Coll Forestry, State Key Lab Soil Eros & Thyland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China;[4]Chinese Acad Sci, Zoige Peatland & Global Change Res Stn, Hongyuan 624400, Peoples R China;[5]Univ Quebec Montreal, Dept Biol Sci, Ctr CEF ESCER, Montreal C3H 3P8, PQ, Canada;[6]Int Ctr Integrated Mt Dev, Kathmandu, Nepal;[7]Univ Chinese Acad Sci, Beijing 100039, Peoples R China;[8]Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China;[9]Chinese Acad Sci, Inst Microbiol, Beijing 100101, Peoples R China;[10]Chinese Acad Forestry, Inst Wetland Res, Beijing 100091, Peoples R China;[11]Chinese Acad Sci, Northwest Inst Plateau Biol, Xining 810008, Peoples R China;[12]Mem Univ Newfoundland, Corner Brook, NF A2H 6P9, Canada

年份：2014

卷号：95

起止页码：151-158

外文期刊名：QUATERNARY SCIENCE REVIEWS

收录：;EI(收录号：20142317796522);Scopus(收录号：2-s2.0-84901682836);WOS:【SCI-EXPANDED(收录号:WOS:000338604200009)】；

基金：This study was supported by 100 Talents Program of The Chinese Academy of Sciences, by Program for New Century Excellent Talents in University (NCET-12-0477), by the National Natural Science Foundation of China (No. 31100348, 41201205) and by China's QianRen Program. Information Center of China Meteorological Administration was thanked for providing us regional meteorological data. The authors give special thanks to Ms. Wan Xiong for her editing and valuable comments on the manuscript. We also thank Dr. Jose S Carrion and anonymous reviewers for their detailed evaluation and constructive suggestions on our manuscript.

语种：英文

外文关键词：The Third Pole; Climate change; Wetlands; Carbon budget; Holocene; Anthropocene

摘要：Most studies about carbon dynamics of peatlands have been focused on boreal, subarctic and tropical peatlands. However, there is limited data about carbon dynamics of alpine peatlands, like Zoige peatlands on the Qinghai-Tibetan Plateau (QTP), which are sensitive to climate change and human disturbance. We studied the role of these peat deposits on the Zoige as a C reserve and sink by measuring peat depth, radiocarbon age and peat and C accumulation rates at 7 sites. The peat depths of the sample sites ranged from 0.20 to 6.0 m; the basal age on the plateau varied from 1635 to 14095 cal yr BP; the peat accumulation rates ranged from 0.12 to 0.85 mm yr(-1), and the C accumulation rates from 5 to 48 g m(-2) yr(-1). Based on data of field studies and remote sensing, we regarded that with 3179 km(2) of intact peatlands, about 1426 km(2) of degraded peatlands, and the total area of Zoige peatlands was 4605 km(2). The current peat C stock of Zoige peatlands was0.477 Pg (ranging from 0.206 to 0.672 Pg). We also estimated that peatlands covered an area of about 5091 krn(2)on the QTP and sequestered 0.543 Pg C, 88% in Zoige and the rest in other parts of the plateau. Human activities, together with the ubiquitous warming on the plateau (temperature increased by 0.2 degrees C per decade over the past 50 years) not only shrank the area of intact peatlands, but also caused substantial carbon releasing from peatlands. (C) 2014 Elsevier Ltd. All rights reserved.