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- Title
Diversity and community structure of soil ammonia-oxidizing bacteria in Hulunbeier Grassland, Inner Mongolia.
- Authors
Ri-le, WENDU; LI Gang; YANG Dian-lin; ZHANG Jing-ni; YI Jin
- Abstract
By the methods of polymerase chain reaction鄄denaturing gradient gel sequence analysis, a comparative study was conducted on the diversity and commeluecntirtoypshtorurecstiusreanodf soil ammonia鄄oxidizing bacteria in the Filifolium sibiricum steppe, Stipa baicalensis steppe, Leymus chinensis steppe, Stipa grandis steppe, and Stipa kryrowi steppe in Hulunbeier Grassland, Inner zMinogngboalicat.eriAa asimgnonifgicathnet dfiivfefersetenpcpeews,aswoitbhsethrveedsiminilathrietycloomwmerunthitayns5tr0u%ctu. reThoef dsoivilerasmitymoofnisao鄄iolxaidmi鄄鄄monia鄄oxidizing bacteria was the highest in F. sibiricum steppe, followed by in S. baicalensis steppe, L. chinensis steppe, S. kryrowi steppe, and S. grandis steppe. In the five steppes, Nitrosospira cluster 3 was the dominant group, and the Nitrosospira cluster 1, 2, and 4 as well as Nitrosomonas were also found. The community structure of soil ammonia oxidizing bacteria in F. sibiricum steppe was most complex, while that in L. chinensis steppe and S. grandis steppe was relative鄄ltyhesidmivpelers.ityCoorfresloaitlioanmamnoanlyias鄄isoxiinddizicinagtedbatchtaetriathearnedetxhie tesdoilsimgnoiifsitcuarnet,ptoostiatlivneitcroogrreenla,titoontaslboertgwaeneinc carbon, and C/ N ratio (P<0郾05).
- Subjects
MONGOLIA; BACTERIA; POLYMERASE chain reaction; AMMONIA; COMPARATIVE studies; STIPA; NITROSOMONAS
- Publication
Yingyong Shengtai Xuebao, 2011, Vol 22, Issue 4, p929
- ISSN
1001-9332
- Publication type
Article