| 锡林河中游草原生态系统中小型土壤动物与土壤有机质的关系 |
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| 引用本文： | 何冬梅,由文辉,李喜和,王建国,宋兴安,刘永江.锡林河中游草原生态系统中小型土壤动物与土壤有机质的关系[J].植物生态学报,1989,13(4):350-358. |
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| 作者姓名： | 何冬梅 由文辉 李喜和 王建国 宋兴安 刘永江 |
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| 作者单位： | 内蒙古大学生物系
(何冬梅，由文辉，李喜和，王建国，宋兴安)，内蒙古教育学院生物系(刘永江) |
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| 摘 要： | 本文讨论了草原生态系统中小型土壤动物与土壤生态因子的关系。主要结果为：1．中小型土壤动物，在草原生态系统的不同类型下的水平和垂直数量分布，不单纯受某一种生态因子的制约，而是由于诸生态因子综合作用的结果。2．中小型土壤动物与有机质含量之间的关系，在不同类型的生境中有不同的相关性。3．沙地羊茅草原的中小型土壤动物，在土壤中的数量垂直分布，可能主要制约于土壤温度的变化，因此出现本身的特异性规律。4．中小型土壤动物，对人为因素造成的草原生态系统生态因子不稳定性的反应是敏感的。
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| 关 键 词： | 草地生态系统 土壤动物 土壤有机质 |
RELATIONSHIPS BETWEEN MESO-MICROFAUNA AND ORGANIC MATTER OF SOIL IN THE STEPPE ECOSYSTEM IN THE MIDDLE REACHES OF XILIN RIVER |
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| He Dong-mei You Wen-hui Li Xi-he Wang Jian-guo Song Xing-an.RELATIONSHIPS BETWEEN MESO-MICROFAUNA AND ORGANIC MATTER OF SOIL IN THE STEPPE ECOSYSTEM IN THE MIDDLE REACHES OF XILIN RIVER[J].Acta Phytoecologica Sinica,1989,13(4):350-358. |
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| Authors: | He Dong-mei You Wen-hui Li Xi-he Wang Jian-guo Song Xing-an |
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| Abstract: | In this paper, the relationships between meso-microfauna and soilecological factors in various types of vegetation were discussed.The maj-or results are as follows: 1. Vertical and horizontal quantity distributions of mesomicrofaunain the different habitats were not only conditioned by a certain singleecological factor, but were also the result of the combined effect of manyecological factors. 2. There were different relations between the meso-microfauna and theorganic matter content of soil in different ecological conditions. 3. The vertical quantity distribution of the meso-microfauna in thesandy land of Festuca dahurica grassland depended probably upon changesof soil temperature. That is why the sandy land has a particular pat-tern. 4. The responses of the meso-microfauna to the man-made changes ofthe ecological factors were sensitive in the grassland ecosystem. |
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| Keywords: | Steppe Meso-microfauna Organic matter |
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