NWIPB OpenIR
Thirteen-year variation in biomass allocation under climate change in an alpine Kobresia meadow, northern Qinghai-Tibetan Plateau
Dai, Licong; Guo, Xiaowei; Du, Yangong; Ke, Xun; Cao, Yingfang; Li, Yikang; Cao, Guangmin; Zhang, Fawei
2019
发表期刊GRASS AND FORAGE SCIENCE
卷号74期号:3
摘要Alpine grassland ecosystems are thought to be the most sensitive ecosystems to climate change, yet the responses of their belowground biomass and potential climatic controls are poorly understood. Thirteen-year (2004 - 2016) time-series of observational belowground biomass data and environmental factors were analysed in a humid alpine Kobresia meadow on the Northern Qinghai-Tibetan Plateau. Results showed that the mean air temperature increased by 0.44 degrees C from 2004 to 2016, while annual precipitation remained relatively stable. The belowground biomass across all soil depths (0-10 cm, 10-20 cm, 20-40 cm) increased significantly, while aboveground biomass showed little change. The proportion of 0-10 cm belowground biomass decreased, whereas the other proportions both increased, which could be mostly attributed to variations in maximum air temperature. There was no significant relationship between aboveground biomass of plant functional groups and belowground biomass across all depths, indicating that the impact of maximum air temperature on belowground biomass should not be limited by aboveground biomass. The asymmetrical response of aboveground and belowground biomass under current climate fluctuations could provide new insights for the appropriate management of the alpine ecosystem.
关键词Alpine grassland ecosystems asymmetrical response climate change environmental factors plant functional groups
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/59715
专题中国科学院西北高原生物研究所
推荐引用方式
GB/T 7714
Dai, Licong,Guo, Xiaowei,Du, Yangong,et al. Thirteen-year variation in biomass allocation under climate change in an alpine Kobresia meadow, northern Qinghai-Tibetan Plateau[J]. GRASS AND FORAGE SCIENCE,2019,74(3).
APA Dai, Licong.,Guo, Xiaowei.,Du, Yangong.,Ke, Xun.,Cao, Yingfang.,...&Zhang, Fawei.(2019).Thirteen-year variation in biomass allocation under climate change in an alpine Kobresia meadow, northern Qinghai-Tibetan Plateau.GRASS AND FORAGE SCIENCE,74(3).
MLA Dai, Licong,et al."Thirteen-year variation in biomass allocation under climate change in an alpine Kobresia meadow, northern Qinghai-Tibetan Plateau".GRASS AND FORAGE SCIENCE 74.3(2019).
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