[1]侯磊,薛会英*. 藏北高寒草甸不同深度土壤生物群落结构的高通量分析[J].西北林学院学报,2021,36(3):17-21.[doi:10.3969/j.issn.1001-7461.2021.03.03]
　HOU Lei,XUE Hui-ying*. High-throughput Analysis of Soil Organism Community Structure in Alpine Meadow in Northern Tibet[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2021,36(3):17-21.[doi:10.3969/j.issn.1001-7461.2021.03.03]
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 藏北高寒草甸不同深度土壤生物群落结构的高通量分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第36卷
期数:
2021年第3期
页码:
17-21
栏目:
出版日期:
2021-05-31

文章信息/Info

Title:
 High-throughput Analysis of Soil Organism Community Structure in Alpine Meadow in Northern Tibet
文章编号:
1001-7461(2021)03-0017-05
作者:
 侯磊1; 2; 薛会英1*
 （1.西藏农牧学院 资源与环境学院，西藏 林芝 860000；2.西藏高原森林生态教育部重点实验室，西藏 林芝 860000）
Author(s):
 HOU Lei1; 2; XUE Hui-ying1*
 (1.College of Resources&Environment,Tibet Agricultural and Animal Husbandry University,Nyingchi 860000,Tibet,China; 2.Key Laboratory of Forest Ecology in Tibet of Ministry of Education,Nyingchi 860000,Tibet,China)
关键词:
 ; 土壤生物; 群落结构; 高通量测序; 高寒草甸; 青藏高原
Keywords:
 ; soil organism;  community structure;  high-throughput sequencing;  alpine meadow;  Tibet Plateau
分类号:
S154.1
DOI:
10.3969/j.issn.1001-7461.2021.03.03
文献标志码:
A
摘要:
 为了解藏北高寒草甸土壤生物群落结构，采用高通量测序技术，研究了那曲高寒草甸0~5、5~10、10~15、15~20、20~25 cm土壤深度范围内生物群落组成与结构差异。结果表明，可操作分类单元（OTUs）在20~25 cm土层最少，且该层次Chao1指数和观测到的物种数均显著少于0~20 cm各土层。在门水平，0~25 cm各土层均以Opisthokonta为最优势群落，但20~25 cm土层的Archaeplastida群落较0~20 cm各土层的相对丰度高。在纲水平，0~20 cm各土层均以Nucletmycea为最优势群落，但到20~25 cm土层则转变为以Holozoa为最优势群落。在目水平，0~20 cm各土层均以fungi为最优势群落，但到20~25 cm土层则转变为以Metazoa_（Animalia）为最优势群落。研究发现不同深度土壤生物群落种类及丰度有一定差异，尤其是20~25 cm土层的土壤生物群落与0~20 cm内各土层之间有很大不同，说明土壤有机质可能影响土壤生物群落的分布，本结论可为进一步研究藏北高寒草甸土壤生物群落特征提供一定依据。
Abstract:
 In order to understand the structure of alpine meadow soil community in Northern Tibet,high-throughput sequencing technology was used to study the differences in the composition and structure of the edaphone soil community at the soil layer of 0-5,5-10,10-15,15-20,and 20-25 cm in Naqu alpine meadow.The results showed that 20-25 cm soil layer with the least operational taxonomic units (OTUs) had less Chao1 index and the number of observed species in all soil layers.At the Phylum level,Opisthokonta was the most dominant community in 0-25 cm layer,but the relative abundance of Archaeplastida community in 20-25 cm layer was higher than that in 0-20 cm layer.Nucletmycea was the most dominant community in 0-20 cm layer in the Class level,but Holozoa was the dominant community in 20-25 cm layer in the Class level.Fungus was the most dominant community in 0-20 cm layer,but Metazoa_(Animalia) was the most dominant community in 20-25 cm layer.Differences were found in the types and abundances of soil organism among different depths,especially the soil organism between 20-25 and 0-20 cm soil layers.The results would provide some bases for further study on the characteristics of the soil organism in the alpine meadow in Northern Tibet.

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备注/Memo

备注/Memo:
 收稿日期：2020-06-01修回日期：2020-07-07
基金项目：西藏自治区自然科学基金（XZ2019ZRG-49（Z））；国家自然科学基金（31660155）；西藏高原森林生态教育部重点实验室开放课题（XZA-JYBSYS-2020-07）。
作者简介：侯磊。研究方向：土壤生态学。E-mail：465133704@qq.com
*通信作者：薛会英，博士，教授。研究方向：土壤生态学。E-mail：472425717@qq.com
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