[1]郭翠莲,付洁,胡青*,等. 尖叶木樨榄天然林地不同土层土壤微生物群落差异研究[J].西北林学院学报,2023,38(6):46-53.[doi:10.3969/j.issn.1001-7461.2023.06.06]
　GUO Cui-lian,FU Jie,HU Qing*,et al. Differences of Soil Microbial Communities Between Different Soil Layers of Olea cuspidata Natural Forest Land[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(6):46-53.[doi:10.3969/j.issn.1001-7461.2023.06.06]
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 尖叶木樨榄天然林地不同土层土壤微生物群落差异研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第6期
页码:
46-53
栏目:
出版日期:
2023-11-30

文章信息/Info

Title:
 Differences of Soil Microbial Communities Between Different Soil Layers of Olea cuspidata Natural Forest Land
文章编号:
1001-7461(2023)06-0046-08
作者:
 郭翠莲1; 付洁1; 胡青2*; 赵正雄1; 赵敏2; 陆斌2*
 （1.云南农业大学 资源与环境学院，云南 昆明 650201；2.云南省林业和草原科学院，云南 昆明 650201）
Author(s):
 GUO Cui-lian1; FU Jie1; HU Qing2*; ZHAO Zheng-xiong1; ZHAO Min2; LU Bin2*
 (1.College of Resources and Environment,Yunnan Agricultural University,Kunming 650201,Yunnan,China; 2.Yunnan Academy of Forestry and Grassland Sciences,Kunming 650201,Yunnan,China)
关键词:
 ; 尖叶木樨榄; 天然林地; 土壤微生物群落多样性; 优势菌群; 高通量测序
Keywords:
Olea cuspidata;  natural woodland;  soil microbial community diversity;  dominant bacterium;  high throughput sequencing
分类号:
S718.516
DOI:
10.3969/j.issn.1001-7461.2023.06.06
文献标志码:
A
摘要:
 通过探究尖叶木樨榄天然林地不同土层土壤细菌和真菌群落结构及多样性，旨在探讨土层深度与微生物群落的关系。尖叶木樨榄天然林地不同土层土壤采用高通量测序技术进行测序，分析研究尖叶木樨榄天然林地0~10、10~20、20~40、40~60 cm 4个不同土层深度的土壤真菌、细菌群落组成及其分布规律。结果表明，1) 尖叶木樨榄天然林土层所获得的细菌OTU隶属于31门126纲198目890科2 624属83种；真菌OTU隶属于21门23纲34目18科69属152种。2)在门类水平上，尖叶木樨榄天然林土壤优势细菌群有变形菌门、放线菌门、芽单胞菌门、绿弯菌门和酸杆菌门5门，表现为无显著差异；土壤优势真菌群落为子囊菌门、担子菌门、被孢霉门和其他菌门4门，表现为不同土层土壤真菌优势菌群子囊菌门相对丰度越高，担子菌门、被孢霉门和其他菌门真菌群落就会越低。3)不同土层土壤微生物群落随着土壤深度的增加而减少。4)在属类水平上未分类的真菌和细菌占比都较高，分别为50%和60%。由此可见，尖叶木樨榄天然林地不同土层土壤样品中的细菌和真菌群落结构均存在一定差异，土壤优势细菌群有变形菌门、放线菌门、芽单胞菌门、绿弯菌门和酸杆菌门5门，土壤优势真菌群落为子囊菌门、担子菌门、被孢霉门和其他菌门4门。4个土层土壤之间的土壤真菌群落多样性差异不显著，但土壤细菌群落多样性差异显著。
Abstract:
 The relationship between soil depth and microbial community was explored by studying the structure and diversity of soil bacterial and fungal communities in different soil layers of Olea cuspidata natural forest.The high-throughput sequencing technology was adopted to sequence the soils in different soil layers.The composition and distribution of soil fungal and bacterial communities in 0-10,10-20,20-40 and 40-60 cm deep soil layers were analyzed and studied.The results showed that 1) the bacterium OTU obtained belonged to 83 species of 2 624 genera,890 families,198 orders,31 phyla,and 126 classes; the fungus OTU belonged to 152 species,69 genera,18 families,34 orders,21 phyla,and 23 classes.2) At the class level,the dominant bacterium groups in the soil were Proteus,Actinomyces,Bacillus,Campylobacter and Acidobacteria,showing no significant difference.The dominant fungal communities in the soil were ascomycetes,basidiomycetes,Mortierella and other fungi.The higher the relative abundance of ascomycetes in different soil layers were,the lower the fungal communities of Basidiomycetes,Mortierella and other fungi were.3) The soil microbial community decreased with soil depth.4) At the generic level,the proportions of unclassified fungi and bacteria were both large,50% and 60% respectively.It can be seen that there are certain differences in the bacterial and fungal community structure of soil samples from different soil layers.The dominant bacteria in the soil include 5 phyla,namely Proteus,Actinomyces,Bacillus,Campylobacter and Acidobacter,and the dominant fungal communities in the soil include 4 phyla,namely Ascomycetes,Basidiomycetes,Mortierella and other phyla.There was no significant difference in soil fungal community diversity among the four soil layers,but there was significant difference in soil bacterial community diversity.

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备注/Memo

备注/Memo:
 收稿日期：2022-08-29修回日期：2022-12-14
基金项目：云南省种子种业联合实验室项目（202205AR070001-16）；云南省科技厅高层次科技人才及创新团队选拔专项（202205AD160016）。
第一作者：郭翠莲。研究方向：经济林栽培。E-mail：530923235@qq.com
*通信作者：陆斌，硕士，二级研究员。研究方向：经济林育种与栽培。E-mail：kmlubin@163.com
胡青，博士，助理研究员。研究方向：经济林栽培与土壤肥力。E-mail：qing-hu08@163.com
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