青藏高原纳木错湖细菌群落特征及其与高山湖泊的对比

被引:14
作者
刘晓波 [1 ]
康世昌 [1 ,2 ]
刘勇勤 [1 ]
韩文武 [1 ]
机构
[1] 中国科学院青藏高原研究所青藏高原环境变化与地表过程实验室
[2] 中国科学院寒区旱区环境与工程研究所冰冻圈科学国家重点实验室
关键词
细菌; 群落特征; 高山湖泊; 纳木错; 青藏高原;
D O I
暂无
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
通过流式细胞计数和构建环境样品16S rRNA基因的克隆文库,分析了纳木错湖水细菌的群落结构特征,并与阿尔卑斯高山湖泊细菌群落结构进行了比较.纳木错6月湖水细菌数为1.21×106个.mL-1,与其它高山湖泊相似.β-Proteobacteria类细菌是纳木错湖水细菌的主要类群,占总数的61%.纳木错湖水细菌与分离自其它水生环境的细菌相似,但具耐寒的特征.由于营养条件、地理状况等物理化学特征的不同,纳木错湖与阿尔卑斯高山湖泊(J ri XIII湖)细菌的种属完全不同,纳木错湖细菌以耐寒和嗜寒细菌为主,且多样性低.
引用
收藏
页码:1041 / 1047
页数:7
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