Effects of Simulated Warming on the Composition and Diversity of Soil Prokaryotic Communities in Alpine Grasslands

doi:10.11733/j.issn.1007-0435.2021.Z1.004

Acta Agrestia Sinica ›› 2021, Vol. 29 ›› Issue (S1): 27-34.DOI: 10.11733/j.issn.1007-0435.2021.Z1.004

Effects of Simulated Warming on the Composition and Diversity of Soil Prokaryotic Communities in Alpine Grasslands

YAO Shi-ting¹, LU Guang-xin¹, DENG Ye^2,3, FAN Yue-jun⁴, ZHOU Hua-kun⁴, DANG Ning¹, WANG Ying-cheng¹, ZHANG Hai-juan¹, YAN Hui-lin¹

1. College of Agriculture and Animal Husbandry, Qinghai University, Xining, Qinghai Province 810016, China;
2. Research Center for Ecological Environment, Chinese Academy of Sciences, Key Laboratory of Environmental Biotechnology, Chinese Academy of Sciences, Beijing 100085, China;
3. University of Chinese Academy of Sciences, Beijing 100049, China;
4. Northwest Plateau Institute of Biology, Chinese Academy of Sciences, Qinghai Provincial Key Laboratory of Restoration Ecology of Cold Area, Xining, Qinghai Province 810001, China

Received:2021-02-23 Revised:2021-04-05 Online:2021-10-30 Published:2021-11-17

模拟增温对高寒草地土壤原核生物群落组成及多样性影响

姚世庭¹, 芦光新¹, 邓晔^2,3, 范月君⁴, 周华坤⁴, 党宁¹, 王英成¹, 张海娟¹, 颜珲璘¹

1. 青海大学农牧学院, 青海西宁 810016;
2. 中国科学院生态环境研究中心, 中国科学院环境生物技术重点实验室, 北京 100085;
3. 中国科学院大学, 北京 100049;
4. 中国科学院西北高原生物研究所, 青海省寒区恢复生态学重点实验室, 青海西宁 810001

通讯作者: 芦光新,E-mail:lugx74@qq.com;范月君,E-mail:fanyuejun_79@163.com
作者简介:姚世庭(1995-),女,青海乐都人,博士研究生,主要从事高寒草地微生物多样性及功能利用的研究,E-mail:2317523428@qq.com
基金资助:
青海省寒区恢复生态学重点实验室开放课题（2011-3）；高寒草地土壤微生物漆酶基因多样性及其对土壤有机质转化机理的研究（31860103）资助

Abstract

Abstract: Global warming has become a hot topic of concern at present, and the feedback of microbes to environmental changes was of great significance to the study of global warming. This article analyzed the correlation between the composition, diversity and environmental factors of soil prokaryotic communities in the alpine grasslands on the Qinghai-Tibet Plateau. The relationship between different environmental factors and the structure of soil prokaryotic communities would help to reveal how soil prokaryotic communities respond to global warming, and to pave the way for predicting how global warming will change ecosystem functions. The results showed that:Simulated warming reduced the alpha diversity and richness of the prokaryotic community; The soil prokaryotic communities under simulated warming treatment were mainly composed of the main dominant phyla of Proteobacteria, Actinobacteria, and acid. Acidobacteria, Thaumarchaeota, etc. ; Simulated warming treatment had no significant effect on the structure of the prokaryotic community; Ammonium nitrogen, plant height, and the number of species were the main influencing factors affecting prokaryotic community structure.

Key words: Simulated warming, Prokaryotic, Biodiversity, Correlation analysis

摘要： 全球变暖成为目前关注的热点话题，而微生物对环境变化的反馈对研究全球变暖具有重要意义，本文通过对青藏高原高寒草地土壤原核生物群落组成、多样性与环境因子进行相关性分析，研究不同的环境因子与土壤原核生物群落结构的关系，旨在揭示土壤原核生物群落与全球变暖的关系，为预测全球变暖将如何改变生态系统功能做铺垫。结果表明：温度增加会使原核生物群落α多样性和丰富度降低；模拟增温处理下土壤原核生物群落以变形菌门（Proteobacteria）、放线菌门（Actinobacteria）、酸杆菌门（Acidobacteria）、奇古菌门（Thaumarchaeota）等为主要优势菌门；模拟增温处理对原核生物群落结构没有显著的影响；铵态氮、植株高度、物种数是主要影响原核群落结构的因子。

关键词: 模拟增温, 原核生物, 多样性, 相关性分析

CLC Number:

Q938.1+3

YAO Shi-ting, LU Guang-xin, DENG Ye, FAN Yue-jun, ZHOU Hua-kun, DANG Ning, WANG Ying-cheng, ZHANG Hai-juan, YAN Hui-lin. Effects of Simulated Warming on the Composition and Diversity of Soil Prokaryotic Communities in Alpine Grasslands[J]. Acta Agrestia Sinica, 2021, 29(S1): 27-34.

姚世庭, 芦光新, 邓晔, 范月君, 周华坤, 党宁, 王英成, 张海娟, 颜珲璘. 模拟增温对高寒草地土壤原核生物群落组成及多样性影响[J]. 草地学报, 2021, 29(S1): 27-34.

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Effects of Simulated Warming on the Composition and Diversity of Soil Prokaryotic Communities in Alpine Grasslands

模拟增温对高寒草地土壤原核生物群落组成及多样性影响

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