| 黄土高原地区流域景观格局对水土流失的影响分析 |
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| 引用本文： | 张学霞,陈丽华. 黄土高原地区流域景观格局对水土流失的影响分析[J]. 北京林业大学学报, 2008, 0(Z2) |
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| 作者姓名： | 张学霞 陈丽华 |
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| 作者单位： | 水土保持与荒漠化防治教育部重点实验室北京林业大学水土保持学院; |
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| 基金项目： | “十一五”国家科技支撑计划项目(2006BAD09B02--03) |
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| 摘 要： | 水土流失是综合因素影响的结果,不能仅从单因子入手,而应该从景观水平上综合考虑,从中找出主要的生态影响因子,寻求减轻水土流失的途径和方法。该文以罗玉沟流域为研究区域,以遥感解译的3期土地利用图、实地观测的水文泥沙数据为数据源,利用ARC/VIEW的景观格局分析模块,采用对比分析的方法分析景观格局对水土流失程度的影响。结果表明:水土流失过程受自然、人为等多因素综合影响;多样性大,均匀度高,破碎度低,稳定性高的景观格局有较高的水土保持效应。
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| 关 键 词： | 景观格局 水土流失 对比分析 黄土高原 水源保护 |
Effects of watershed landscape pattern on soil and water loss in the Loess Plateau Region |
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| ZHANG Xue-xia,CHEN Li-hua.Key Laboratory of Soil , Water Conservation , Desertification combating of Ministry of Education,School of soil , water conservation,Beijing Forestry University,,P.R.China.. Effects of watershed landscape pattern on soil and water loss in the Loess Plateau Region[J]. Journal of Beijing Forestry University, 2008, 0(Z2) |
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| Authors: | ZHANG Xue-xia CHEN Li-hua.Key Laboratory of Soil Water Conservation & Desertification combating of Ministry of Education School of soil water conservation Beijing Forestry University P.R.China. |
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| Affiliation: | ZHANG Xue-xia,CHEN Li-hua.Key Laboratory of Soil , Water Conservation & Desertification combating of Ministry of Education,School of soil , water conservation,Beijing Forestry University,100083,P.R.China. |
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| Abstract: | Soil erosion is caused by synthetical factors.To find out the main ecosystem factor and thus to reduce the loss of soil and water,comprehensive consideration on landscape level should be adapted instead of single influencing factor.Taking Luoyugou Watershed as the study site,based on three periods of land use maps interpreted from remote sensing images and observed hydrologic sediment data in the field,this paper analyzes the influence of landscape pattern on the degree of soil erosion by contrast analysis ... |
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| Keywords: | landscape pattern soil and water loss contrast analysis the Loess Plateau water conservation |
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