| 塔里木盆地南缘绿洲农田土壤粒径分布分形特征及影响因素研究 |
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| 引用本文： | 桂东伟,雷加强,曾凡江,穆桂金,杨发相,苏永亮,潘燕芳.塔里木盆地南缘绿洲农田土壤粒径分布分形特征及影响因素研究[J].中国生态农业学报,2010,18(4):730-735. |
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| 作者姓名： | 桂东伟 雷加强 曾凡江 穆桂金 杨发相 苏永亮 潘燕芳 |
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| 作者单位： | 1. 中国科学院新疆生态与地理研究所,乌鲁木齐,830011;中国科学院研究生院,北京,100049;新疆策勒荒漠草地生态系统国家野外科学观测研究站,策勒,848300
2. 中国科学院新疆生态与地理研究所,乌鲁木齐,830011;新疆策勒荒漠草地生态系统国家野外科学观测研究站,策勒,848300 |
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| 基金项目： | 国家科技支撑计划项目(2009BAC54B01) |
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| 摘 要： | 本文以塔里木盆地南缘策勒绿洲为例,基于农田表层土壤样品的体积粒径分布数据,通过分形理论重点探讨绿洲农田这一主要土地利用类型下土壤粒径分布特征及变异状况,并根据粒径分布分形维数变化对其主要影响因素进行研究。结果表明:绿洲范围内农田土壤分维值存在显著性差异,其值介于2.11～2.27之间,总体偏低;土壤粒径分布分维值与小于50μm粒径土壤颗粒体积含量及土壤有机质含量呈显著正相关;农田利用年限的差异性对土壤粒径分布产生重要影响,而农田分布位置的差异性则对土壤粒径分布未体现出规律性影响。因此,保证农田长期合理的耕作管理方式将有助于土壤粒径分布属性的稳定及提高。
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| 关 键 词： | 塔里木盆地 策勒绿州 农田 土壤粒径分布 分形特征 耕作方式 |
| 收稿时间： | 2009/6/22 0:00:00 |
Fractal dimension of particle size distribution and its affecting factors in oasis farmland soils in southern marginal zones of Tarim Basin |
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| GUI Dong-Wei,LEI Jia-Qiang,ZENG Fan-Jiang,MU Gui-Jin,YANG Fa-Xiang,SU Yong-Liang and PAN Yan-Fang.Fractal dimension of particle size distribution and its affecting factors in oasis farmland soils in southern marginal zones of Tarim Basin[J].Chinese Journal of Eco-Agriculture,2010,18(4):730-735. |
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| Authors: | GUI Dong-Wei LEI Jia-Qiang ZENG Fan-Jiang MU Gui-Jin YANG Fa-Xiang SU Yong-Liang and PAN Yan-Fang |
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| Institution: | 1. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2.Cele National Station for Observation & Research of Desert-Grassland Ecosystem in Xinjiang, Cele 848300, China;1. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 4. Cele National Station for Observation & Research of Desert-Grassland Ecosys;1. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 5. Cele National Station for Observation & Research of Desert-Grassland Ecosys;1. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 6. Cele National Station for Observation & Research of Desert-Grassland Ecosys;1. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2. Graduate University of Chinese Academy of Sciences, Beijing 100049, China; 7. Cele National Station for Observation & Research of Desert-Grassland Ecosys;1. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2.Cele National Station for Observation & Research of Desert-Grassland Ecosystem in Xinjiang, Cele 848300, China;1. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China; 2.Cele National Station for Observation & Research of Desert-Grassland Ecosystem in Xinjiang, Cele 848300, China |
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| Abstract: | |
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| Keywords: | Tarim Basin Cele Oasis Farmland Soil particle size distribution Fractal characteristic Tillage management |
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