| 不同生物气候区生物土壤结皮蓝藻物种多样性 |
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| 引用本文： | 闫沛迎,屈建军,杨自辉,肖建华,唐进年. 不同生物气候区生物土壤结皮蓝藻物种多样性[J]. 中国沙漠, 2022, 42(2): 85-94. DOI: 10.7522/j.issn.1000-694X.2021.00105 |
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| 作者姓名： | 闫沛迎 屈建军 杨自辉 肖建华 唐进年 |
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| 作者单位： | 1.甘肃省治沙研究所 民勤荒漠草地生态系统国家野外科学观测研究站，甘肃 民勤 730070;2.中国科学院西北生态环境资源研究院 敦煌戈壁荒漠生态与环境研究站/沙漠与沙漠化重点实验室，甘肃 兰州 730000 |
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| 基金项目： | 国家重点研发计划项目（2017YFC0504804）； |
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| 摘 要： | 丝状蓝藻作为荒漠区的先锋拓殖生物,在干旱半干旱的生物地球化学循环和生态修复过程中发挥着重要作用.本研究对3个不同生物气候区(民勤,大陆性荒漠气候;盐池,中温带大陆性气候;玛曲,高原大陆性气候)藻结皮中培养分离到的67株丝状蓝藻进行丝体的形态描述和16srRNA分子鉴定.结果表明:67株丝状蓝藻隶属于颤藻目(Oscill...
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| 关 键 词： | 丝状蓝藻 多样性 生物土壤结皮 生物气候区 |
| 收稿时间： | 2021-01-07 |
| 修稿时间： | 2021-08-25 |
Cyanobacterial diversity of biological soil crusts in different bioclimatic regions in China |
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| Peiying Yan,Jianjun Qu,Zihui Yang,Jianhua Xiao,Jinnian Tang. Cyanobacterial diversity of biological soil crusts in different bioclimatic regions in China[J]. ournal of Desert Research, 2022, 42(2): 85-94. DOI: 10.7522/j.issn.1000-694X.2021.00105 |
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| Authors: | Peiying Yan Jianjun Qu Zihui Yang Jianhua Xiao Jinnian Tang |
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| Affiliation: | 1.Minqin National Studies Station for Desert Steppe Ecosystem，Gansu Desert Control Research Institute，Lanzhou 730070，China;2.Dunhuang Gobi and Desert Ecology and Environment Research Station / Key Laboratory of Desert and Desertification，Northwest Institute of Eco-Environment and Resources，Chinese Academy of Sciences，Lanzhou 730000，China |
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| Abstract: | Filamentous cyanobacteria， as pioneer colonizers in desert areas， play an important role in the biogeochemical cycle and ecological restoration of arid and semi-arid areas. In this paper， sixty-seven filamentous cyanobacteria were isolated from the cyanobacterial crusts in three different bioclimatic regions. The results showed that sixty-seven filamentous cyanobacteria belonged to Oscillatorles， Siaynechococcales and Nostocale. The community compositions of cyanobacteria in the three bioclimatic regions were different. Microcoleus vaginatus was a common cyanobacterium in three different bioclimatic regions. There was no common cyanobacterium in Maqu and Minqin except Microcoleus vaginatus. Microcoleus and Oscillatoria were common cyanobacterial genera in Minqin and Yanchi. Only members of Nodosilinea were found in Maqu and Yanchi. Among the cyanobacterial crusts in three bioclimatic regions， Calothrix desertica was isolated only from Maqu， not from the other two regions. |
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| Keywords: | filamentous cyanobacteria diversity biological soil crusts bioclimatic regions |
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