| 科尔沁沙地小叶锦鸡儿固沙群落土壤微生物功能多样性 |
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| 作者姓名： | Cao CY Yag JD Han XS Zhang Y |
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| 作者单位： | 东北大学理学院,沈阳,110004 |
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| 基金项目： | 国家自然科学基金,国家公益性行业科研专项,中央高校基本科研业务费项目 |
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| 摘 要： | 为探讨科尔沁沙地流动沙丘上建立小叶锦鸡儿固沙植被后土壤微生物群落代谢功能的变化,采用Biolog-ECO微平板检测法,研究了9、16和26年生人工群落以及流动沙丘和天然小叶锦鸡儿群落土壤微生物碳源代谢的多样性变化特征.结果表明:在培养的264 h内,流动沙丘土壤微生物平均颜色变化率,以及对羧酸类、糖类、多聚物类、氨基酸类、胺类和芳香类化合物类的代谢能力明显高于人工群落;随着人工群落年龄的增加,土壤微生物代谢碳源种类增加,26年生人工群落土壤微生物的碳源代谢模式已接近天然群落.流动沙丘建立小叶锦鸡儿植被后,土壤微生物群落碳源代谢功能多样性和均匀度指数下降;随着植物群落发育年龄的增长,微生物功能多样性逐渐提高.
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| 关 键 词： | 固沙群落 土壤微生物 功能多样性 Biolog 小叶锦鸡儿 科尔沁沙地 |
Soil microbes functional diversity in sand-fixing Caragana microphylla communities in Horqin Sandy Land |
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| Cao CY,Yag JD,Han XS,Zhang Y.Soil microbes functional diversity in sand-fixing Caragana microphylla communities in Horqin Sandy Land[J].Chinese Journal of Applied Ecology,2011,22(9):2309-2315. |
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| Authors: | Cao Cheng-you Yag Jin-dong Han Xiao-shu Zhang Ying |
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| Institution: | CAO Cheng-you,YAO Jin-dong,HAN Xiao-shu,ZHANG Ying (College of Sciences,Northeastern University,Shenyang 110004,China) |
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| Abstract: | Aimed to understand the soil microbes functional diversity in sand-fixing Caragana microphylla communities in Horqin Sandy Land, the soil microbial carbon sources metabolism diversity in 9-, 16-, and 26-yr-old C. microphylla plantations, natural C. microphylla community, and moving sand dune was examined by the method of Biolog ECO-microplate culture. Within 264 h of culture, the average well color development (AWCD) and the capabilities of soil microbes in metabolizing carboxylic acids, carbohydrates, poly... |
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| Keywords: | sand-fixing plant community soil microbe functional diversity Biolog Caragana microphylla Horqin Sandy Land |
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