埃塞俄比亚西北部Wyebla流域土地利用类型及物理水土保持结构评价

Simeneh Demissie Walie, G. Fisseha
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引用次数: 2

摘要

这项研究是在埃塞俄比亚西北部的Wyebla流域Goncha Siso Enesie Woreda进行的。与该国其他高地地区类似,韦布拉流域的特点是严重的土壤侵蚀和严重的缺水问题。因此,本次调查的目的是评估埃塞俄比亚西北部Wyebla流域不同的土地利用类型和物理水土保持(SWC)实践。为了验证当前的土地利用类型是否与以处理为导向的能力分类(TOCC)相匹配,在野外调查中进行了样带行走和测量。基于TOC分类方案给出了推荐的SWC结构与现有物理SWC结构的适应度评级。数据分析采用统计方法,如百分比,平均值,频率和相关性。从TOCC方案的结果可以看出,目前的土地利用实践与推荐的土地利用类型的匹配度平均为83.33%。但就现有SWC实践的评级适合度而言,只有36.8%与推荐的SWC措施相匹配。
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Evaluation of Land Use Types and Physical Soil and Water Conservation Structures in Wyebla Watershed, Northwest Ethiopia
The study was carried out in the Wyebla watershed Goncha Siso Enesie Woreda, Northwestern Ethiopia. Similar to the other highland areas in the country Wyebla watershed is characterized, by severe soil erosion and acute water scarcity problems. Hence, the objective of the current investigation was to evaluate different land use types, and physical soil and water conservation (SWC) practices in Wyebla Watershed, Northwest Ethiopia. To check whether the current land use types match with treatment oriented capability classification (TOCC), a transect walk was conducted and measurements were taken during field survey. Rating fitness of recommended versus existing physical SWC structures were given based on TOC classification scheme. Data were analyzed using statistical methods like percentage, mean, frequency, and correlation. From results of TOCC scheme, it can be seen that current land use practices matches with recommended land use types with 83.33% on average. But with regard to rating fitness of existing SWC practices only 36.8% match with the recommended SWC measures.
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Evaluation of Land Use Types and Physical Soil and Water Conservation Structures in Wyebla Watershed, Northwest Ethiopia
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