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我国西北干旱地区森林土壤中苏云金芽孢杆菌生态分布
引用本文:王学聘,戴莲韵,杨光滢,张万儒.我国西北干旱地区森林土壤中苏云金芽孢杆菌生态分布[J].林业科学研究,1999,12(5):467-473.
作者姓名:王学聘  戴莲韵  杨光滢  张万儒
作者单位:1. 中国林业科学研究院林业研究所,北京,100091
2. 中国林业科学研究院森林生态环境与保护研究所,北京,100091
基金项目::国家自然科学基金资助项目(39670603)。
摘    要:对地处我国西北干旱地区新疆、甘肃、宁夏三省(区)内的11个自然保护区--哈纳斯、小叶白蜡、天山云杉、野核桃、塔里木、东大山 山、六盘山、崆洞山、兴隆山、莲花山等自然保护区采集的260个森林土壤样品,进行了生态因子调查:分析了土壤PH、含水量、水解N、有效、速效K、全N、有机质;研究了芽孢杆菌、苏云金芽孢杆菌数量和种类生态分布。共分离苏云金芽孢杆菌42株,其出土率和分离率分别为11.53%和2.18

关 键 词:自然保护区  森林土壤  芽孢杆菌  苏云金芽孢杆菌  生态分布  西北干旱地区
文章编号:1001-1498(1999)05-0467-07
收稿时间:1999/2/10 0:00:00

The Ecological Distribution of Bacillus thuringiensis of the Northwest Arid Region in China
WANG Xue-pin,DAI Lian-yun,YANG Guang-ying and ZHANG Wan-ru.The Ecological Distribution of Bacillus thuringiensis of the Northwest Arid Region in China[J].Forest Research,1999,12(5):467-473.
Authors:WANG Xue-pin  DAI Lian-yun  YANG Guang-ying and ZHANG Wan-ru
Institution:The Research Institute of Forestry, CAF, Beijing 100091, China;The Research Institute of Forest Ecology, Environment and Protection, CAF, Beijing 100091, China;The Research Institute of Forestry, CAF, Beijing 100091, China;The Research Institute of Forestry, CAF, Beijing 100091, China
Abstract:The 260 forest soil samples were collected from 11 natural reserves of the northwest arid region in China. The soil pH,moisture content,hydrotytic N,efficient P,availabe K, total N, and organic matter of the soils were determined. The ecological factor of 11 natural reserves were also investigated. The number and distribution of both Bacillus and Bacillus thuringiensis were surveyed.The 42 strains of B.thuringensis were isolated from the soil samples.The ratio of the number of the soil samples containing B.thuringensis to number of total soil samples tested is 11.53%. The ratio of the number of B.thuringensis isolated to the number of sporoforming Bacillus examed is 2.18%.
Keywords:natural  reserve  forest  soil  Bacillus  Bacillus  thuringiensis  ecological  distribution  northwest  arid  region
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