| 干旱半干旱沙区人工植被与土壤水分环境相互作用关系研究进展 |
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| 引用本文： | 崔向慧.干旱半干旱沙区人工植被与土壤水分环境相互作用关系研究进展[J].世界林业研究,2010,23(6):50-54. |
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| 作者姓名： | 崔向慧 |
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| 作者单位： | 1.中国林业科学研究院荒漠化研究所, 北京 100091 |
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| 基金项目： | 林业公益性行业科研专项经费项目荒漠生态系统服务功能监测与评估技术研究(201004010);林业标准制修订项目极端干旱区荒漠生态系统定位观测指标体系(2009-LY-058) |
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| 摘 要： | 土壤水分在干旱、半干旱沙区人工植被恢复、植物生长和群落演替过程中起着重要作用。文中综述了我国主要沙化地区人工固沙植被土壤水分状况和动态的研究现状, 分析了土壤水分的时空格局及其影响因子; 探讨植被冠层、生物结皮、植物根系对土壤水分的调控作用和影响机理以及干旱、半干旱沙区人工植被土壤水分空间异质性及相关问题; 最后提出人工植被区的土壤水分动态模拟预测、土壤—植被—大气系统水量平衡和水分循环以及空间尺度扩展等问题应是未来的研究重点。
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| 关 键 词： | 人工植被 土壤水分 空间异质性 干旱半干旱区 |
| 收稿时间： | 2010/9/14 0:00:00 |
Research Advances in the Interaction Relationships Between Artificial Vegetations and Soil Moisture in Arid and Semi-Arid Sandy Regions of China |
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| Cui Xianghui.Research Advances in the Interaction Relationships Between Artificial Vegetations and Soil Moisture in Arid and Semi-Arid Sandy Regions of China[J].World Forestry Research,2010,23(6):50-54. |
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| Authors: | Cui Xianghui |
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| Institution: | 1.Institute of Desertification Studies, Chinese Academy of Forestry, Beijing 100091, China2.China National Research and Development Center of Combating Desertification, Beijing 100091, China |
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| Abstract: | Soil moisture plays an important role in artificial vegetation rehabilitation,plant growth and community succession in arid and semi-arid areas.The paper reviewed the research state on soil moisture condition and dynamics in different types of artificial sand-fixing vegetation and synthetically analyzed the temporal and spatial pattern of soil moisture and its closely correlated influencing factors.The regulation effect and influencing mechanism of plant canopy,biological soil crusts and plant-root system on soil moisture were discussed.Finally,based on these research results,it was suggested that future research should give attention to modeling and predicting of soil moisture dynamics,water balance and hydrology circulation of Soil-Plant-Atmosphere continuum,and soil moisture heterogeneity in large scale in arid and semi-arid sandy regions. |
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| Keywords: | artificial vegetation soil moisture spatial heterogeneity arid and semi-arid areas |
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