神农架大九湖泥炭地甲烷代谢菌的垂直分布与生态网络

王月环; 王九妹; 葛继稳; 王璐雯; 刘紫薇

doi:10.3799/dqkx.2023.132

Volume 49 Issue 10

Oct. 2024

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Article Navigation > Earth Science > 2024 > 49(10): 3685-3696

Wang Yuehuan, Wang Jiumei, Ge Jiwen, Wang Luwen, Liu Ziwei, 2024. Vertical Distribution of Methane-Metabolizing Microorganisms and Molecular Ecological Networks in Dajiuhu Peatland, Shennongjia. Earth Science, 49(10): 3685-3696. doi: 10.3799/dqkx.2023.132

Citation:

Wang Yuehuan, Wang Jiumei, Ge Jiwen, Wang Luwen, Liu Ziwei, 2024. Vertical Distribution of Methane-Metabolizing Microorganisms and Molecular Ecological Networks in Dajiuhu Peatland, Shennongjia. Earth Science, 49(10): 3685-3696. doi: 10.3799/dqkx.2023.132

Citation:

Wang Yuehuan, Wang Jiumei, Ge Jiwen, Wang Luwen, Liu Ziwei, 2024. Vertical Distribution of Methane-Metabolizing Microorganisms and Molecular Ecological Networks in Dajiuhu Peatland, Shennongjia. Earth Science, 49(10): 3685-3696. doi: 10.3799/dqkx.2023.132

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Vertical Distribution of Methane-Metabolizing Microorganisms and Molecular Ecological Networks in Dajiuhu Peatland, Shennongjia

doi: 10.3799/dqkx.2023.132

Wang Yuehuan^{1
,
,},
Wang Jiumei^{1, 2},
Ge Jiwen^{1
,
,},
Wang Luwen¹,
Liu Ziwei¹

1.
Hubei Key Laboratory of Wetland Evolution and Ecological Restoration, Laboratory of Basin Hydrology and Wetland Eco-Restoration, Institute of Ecology and Environmental Sciences, China University of Geosciences, Wuhan 430074, China
2.
Dongbao District Development and Reform Bureau, Jingmen 448004, China

Received Date: 2023-02-16
Available Online: 2024-11-08
Publish Date: 2024-10-25

Abstract

Abstract

Soil samples, at the depth of 0 cm, 10 cm, 30 cm, and 50 cm, were collected from the Dajiuhu peatland for four quarters in 2019 to investigate the distribution patterns of methanogens and methanotrophs in vertical profile and their response to the abiotic environment. High-through put sequencing was implemented to analyze the community structure of methanogens and methanotrophs, then construct molecular ecological networks. Methanoregula and Methylocapsa were found as the largest dominant genus of methanogens and methanotrophs in the Dajiuhu peatland. The ecological networks of methanogens and methanotrophs and their synergism varied with depth, and the opposite situation was observed in methanogens and methanogens. Moreover, Methanoregula, Methanocella, Methanobacterium were identified as key species in the methanogenic community, and 4 key species of methanotrophs were Methylocapsa, Candidatus Methyloumidiphilus, Methylocystis, Candidatus Methylospira. The results demonstrated that total carbon, total nitrogen, ammonium, and nitrite could affect the structure of methanogens and methanogens, thereby controlling CH₄ emissions in the Dajiuhu peatland.
- peatland,
- methanogens,
- methanotrophs,
- ecological network,
- CH₄ flux,
- geochemistry

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References(51)

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Vertical Distribution of Methane-Metabolizing Microorganisms and Molecular Ecological Networks in Dajiuhu Peatland, Shennongjia

doi: 10.3799/dqkx.2023.132

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