[1]王淼,王哲,石子菊,等.盐城滨海湿地土壤微生物群落组成的数量特征[J].江苏林业科技,2024,51(04):20-25.[doi:10.3969/j.issn.1001-7380.2024.04.004]
　Wang Miao,Wang Zhe,Shi Ziju,et al.Quantitative characteristics of soil microbial community composition in Yancheng coastal wetland[J].Journal of Jiangsu Forestry Science &Technology,2024,51(04):20-25.[doi:10.3969/j.issn.1001-7380.2024.04.004]
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盐城滨海湿地土壤微生物群落组成的数量特征()
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《江苏林业科技》[ISSN:1001-7380/CN:32-1236/S]

卷:
第51卷
期数:
2024年04期
页码:
20-25
栏目:
试验研究
出版日期:
2024-08-31

文章信息/Info

Title:
Quantitative characteristics of soil microbial community composition in Yancheng coastal wetland
文章编号:
1001-7380（2024）04-0020-06
作者:
王淼; 王哲; 石子菊; 张晴晴; 刘茂松*
南京大学生命科学学院，江苏 南京 210023
Author(s):
Wang Miao;  Wang Zhe;  Shi Ziju;  Zhang Qingqing;  Liu Maosong*
School of Life Science，Nanjing University，Nanjing 210023，China
关键词:
滨海湿地; 土壤微生物; 操作分类单元; 数量特征; 盐城
Keywords:
Coastal wetland; Soil microbe; Operational taxonomic unit(OTU); Quantitative characteristics; Yancheng
分类号:
S154.36
DOI:
10.3969/j.issn.1001-7380.2024.04.004
文献标志码:
A
摘要:
土壤微生物是生态系统的重要组成部分，对维持湿地土壤生态系统稳定发挥着重要作用。该文采用16SrRNA高通量测序的OTU数据，对盐城滨海湿地不同季节间淤泥质光滩、互花米草群落、藨草群落、碱蓬群落和芦苇群落5种典型生境的3个不同土壤层次中土壤微生物群落OTU序列相对多度的数量特征和相对多度分布特征进行了比较研究。结果发现：（1）无植被的淤泥质光滩与4个植物群落生境土壤微生物群落OTU序列相对多度的数量特征存在一定差异，表现在淤泥质光滩的季节变化幅度大于植物群落生境；植物群落生境之间也存在一定差异，互花米草群落在不同土层间保持相同的季节变化趋势，与本土植物群落生境存在较大差异；（2）土壤微生物群落OTU序列相对多度分布特征与季节温度变化不一致，其中5月峰值最低，而月均温最高的8月与温度较低的3月和11月差异较小。总体上，在环境变化下，土壤微生物群落OTU序列相对多度的数量特征差异较小，相对组成比较稳定。
Abstract:
Soil microorganisms are a significant part of the ecosystem and play an important role in maintaining the stability of the wetland soil ecosystem. We compared the quantitative characteristics and relative abundance distribution of soil microbial community composition in muddy mudflat, Spartina alterniflora, Scirpustriqueter, Suaeda salsa and Phragmites australis community in Yancheng coastal wetland, using operational taxonomic unit (OTU) data of 16S rRNA high-throughput sequencing.The results showed that: (1) Differences existed in the quantitative characteristics of the relative abundance of soil microbial community OTU sequences between the mud flat and the four plant community habitats, which was manifested in the fact that the seasonal variation of the mud flat was greater than that of the plant community habitat. There were also some differences between the habitats of plant communities. That of Spartina alterniflora community maintained the same seasonal variation trend at different soil levels, which was quite different from that of the habitat of native plant communities. (2) The relative abundance distribution characteristics of soil microbial community OTU were not consistent with seasonal temperature changes. The relative abundance peak value in May was the lowest, while the relative abundance difference between August with the highest monthly average temperature and March, November with lower temperature was small. In general, there was a little difference in the quantitative characteristics of the relative abundance of OTU sequences in the soil microbial community under environmental change, and the relative composition was relatively stable.

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备注/Memo

备注/Memo:
收稿日期：2024-04-29;修回日期：2024-05-27
基金项目：国家重点研发计划“东部重要河口湿地生态恢复与调控关键技术”(2022YFF1301001)
作者简介：王淼(1998- ), 女, 山东潍坊人, 硕士。研究方向为湿地生态学研究。E-mail: cinderella_wang@outlook.com
更新日期/Last Update: 2024-09-24