气候变化领域集成服务门户(CCPortal): Human activity over natural inputs determines the bacterial community in an ice core from the Muztag ata glacier

CCPortal

DOI	10.1007/s11430-022-1282-x
	Human activity over natural inputs determines the bacterial community in an ice core from the Muztag ata glacier
	Liu, Yongqin; Jiao, Nianzhi; Ji, Mukan; Liu, Keshao; Xu, Baiqing; Guo, Bixi; Yao, Tandong
发表日期	2024
ISSN	1674-7313
EISSN	1869-1897
英文摘要	Ice core provides a valuable vertical timeline of past climates and anthropogenic activities. Environmental proxies have been widely used in these studies, but there are few biological indicators available. To address this gap, we investigated the bacterial community from a 74 m ice core of Muztag ata glacier on the Tibetan Plateau to link biological indicators with past climate and anthropogenic activities. By analyzing the portion of the ice core with environmental proxies available (corresponding to 1907 to 1991), we observed an increase in bacterial richness throughout the ice core, which was associated with higher NH4+, an indicator of agricultural development. The bacterial community was jointly determined by human activity, natural input, and air temperature, with a strong human influence after the 1950s. Furthermore, the relative abundance of animal gut-associated bacteria, including Aerococcaceae, Nocardiaceae, Muribaculaceae, and Lachnospiraceae, was associated with livestock number changes in the Central Asian region. Together with other bacterial lineages, they jointly explained 59.8% of the livestock number changes. This study provides quantitative evidence of the associations between bacterial indicators and past climate and human activities, highlighting the potential of using bacterial proxies for ice core studies.
英文关键词	Ice core of Muztag ata glacier; Climate change and anthropogenic activity; Biological indicator; Gut-associated bacteria; livestock number in the Central Asian region
语种	英语
WOS研究方向	Geology
WOS类目	Geosciences, Multidisciplinary
WOS记录号	WOS:001201489800003
来源期刊	SCIENCE CHINA-EARTH SCIENCES
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/295937
作者单位	Chinese Academy of Sciences; Institute of Tibetan Plateau Research, CAS; Lanzhou University; Chinese Academy of Sciences; University of Chinese Academy of Sciences, CAS; Xiamen University
推荐引用方式 GB/T 7714	Liu, Yongqin,Jiao, Nianzhi,Ji, Mukan,et al. Human activity over natural inputs determines the bacterial community in an ice core from the Muztag ata glacier[J]. 中国科学院青藏高原研究所,2024.
APA	Liu, Yongqin.,Jiao, Nianzhi.,Ji, Mukan.,Liu, Keshao.,Xu, Baiqing.,...&Yao, Tandong.(2024).Human activity over natural inputs determines the bacterial community in an ice core from the Muztag ata glacier.SCIENCE CHINA-EARTH SCIENCES.
MLA	Liu, Yongqin,et al."Human activity over natural inputs determines the bacterial community in an ice core from the Muztag ata glacier".SCIENCE CHINA-EARTH SCIENCES (2024).