神农架大九湖不同生境表土磷脂脂肪酸揭示的微生物群落结构差异

赵美玲; 张一鸣; 张志麒; 黄咸雨

doi:10.3799/dqkx.2019.272

Volume 45 Issue 6

Jun. 2020

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Article Navigation > Earth Science > 2020 > 45(6): 1877-1886

Zhao Meiling, Zhang Yiming, Zhang Zhiqi, Huang Xianyu, 2020. Comparison of Microbial Community in Topsoil among Different Habitats in Dajiuhu, Hubei Province: Evidence from Phospholipid Fatty Acids. Earth Science, 45(6): 1877-1886. doi: 10.3799/dqkx.2019.272

Citation:

Zhao Meiling, Zhang Yiming, Zhang Zhiqi, Huang Xianyu, 2020. Comparison of Microbial Community in Topsoil among Different Habitats in Dajiuhu, Hubei Province: Evidence from Phospholipid Fatty Acids. Earth Science, 45(6): 1877-1886. doi: 10.3799/dqkx.2019.272

Citation:

Zhao Meiling, Zhang Yiming, Zhang Zhiqi, Huang Xianyu, 2020. Comparison of Microbial Community in Topsoil among Different Habitats in Dajiuhu, Hubei Province: Evidence from Phospholipid Fatty Acids. Earth Science, 45(6): 1877-1886. doi: 10.3799/dqkx.2019.272

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Comparison of Microbial Community in Topsoil among Different Habitats in Dajiuhu, Hubei Province: Evidence from Phospholipid Fatty Acids

doi: 10.3799/dqkx.2019.272

Zhao Meiling^{1
,
,},
Zhang Yiming²,
Zhang Zhiqi^{2, 3},
Huang Xianyu^{1, 2
,
,
,}

1.
Hubei Key Laboratory of Critical Zone Evolution, School of Geography and Information Engineering, China University of Geosciences, Wuhan 430078, China
2.
State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Wuhan 430078, China
3.
Shennongjia National Park Administration, Shennongjia 442400, China

Received Date: 2019-09-10
Publish Date: 2020-06-15

Abstract

Abstract

As an important component of microbial cell membrane,phospholipid fatty acid (PLFAs) can respond sensitively to environmental changes,PLFAs can be altered by microorganisms changing their cell membrane composition by changing their metabolic or nutrient pathways. The current researches on soil PLFAs mainly focus on how changes in seasons and vegetation community affect microbial community structure. It is still not clear how habitats mediate the structure of soil microbial community revealed by topsoil PLFAs. In this study,soil PLFAs compositions were investigated among different habitats (including Sphagnum peat,herb peat,degraded peat,hygrophyte-mesophyte meadow,mesophyte-xeric meadow,xeric meadow,and deciduous broad-leaved forest) in Dajiuhu,Shennongjia. The results show that totally 26 PLFAs with carbon numbers ranging from C₁₄ to C₁₉ are common in the topsoil of the seven habitats. The concentration of total PLFAs in peats is 3-8 times higher than that in meadows. Because of pH and SWC (soil water content) PLFAs also reveal that microbial community structures are different among habitats. The microbial abundance and microbial community structure are similar and different in topsoil under different habitats. The results in this study shed light to better understand the changes of microbial community structure in regional ecosystem,and to facilitate the study of microbe's role in carbon cycle,paleoecology.
- phospholipid fatty acid,
- habitat,
- microbial biomass,
- microbial community structure,
- topsoil,
- geobiology

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References(46)

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Comparison of Microbial Community in Topsoil among Different Habitats in Dajiuhu, Hubei Province: Evidence from Phospholipid Fatty Acids

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