| Influences of different physico-chemical factors on three Cyanobacteria separated from biological soil crusts |
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| DOI：10.7606/j.issn.1000-7601.2010.01.37 |
| Key Words: biological soil crusts cyanobacteria physico-chemical factor |
| Author Name | Affiliation | | ZHENG Yunpu | College of Life Science, Hebei Normal University, Shijiazhuang, Hebei 050016, China
Institute of Geographical Sciences and Natural Resources, Chinese Academy of Sciences, Beijing 100101, China | | ZHAO Jiancheng | College of Life Science, Hebei Normal University, Shijiazhuang, Hebei 050016, China | | ZHANG Bingchang | Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, Xinjiang 830011, China | | XU Ming | Institute of Geographical Sciences and Natural Resources, Chinese Academy of Sciences, Beijing 100101, China | | LIANG Hongzhu | College of Life Science, Hebei Normal University, Shijiazhuang, Hebei 050016, China | | LI Min | College of Life Science, Hebei Normal University, Shijiazhuang, Hebei 050016, China |
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| Abstract: |
| Microcoleus vaginatus (Vauch.) Gom., Scytonema ocellatum Lyngb and Nostoc commune Vauch. separated from biological soil crusts were cultured primarily under laboratory conditions. Meanwhile, the influences of different physico-chemical factors on them were also analyzed by orthogonal design. The results suggest that the best culturing conditions of Microcoleus vaginatus, Scytonema ocellatum, Nostoc commune is pH 8, Ca2+ concentration is 3.54×10-5 mol/L and Mg2+ concentration is 5.1×10-5 mol/L, K+ concentration is 1.345×10-5 mol/L; pH 9, Ca2+ concentration is 1.77×10-5 mol/L, Mg2+ concentration is 5.1×10-5 mol/L and K+ concentration is 2.69×10-5 mol/L; pH 10, Ca2+ concentration is 1.77×10-5 mol/L, Mg2+ concentration is 1.02×10-4 mol/L and K+ concentration is 5.38×10-5 mol/L. |
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