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Natural regeneration of degraded hillslopes in Southern Wello, Ethiopia: a study based on permanent plots

机译：埃塞俄比亚南部韦洛南部退化的山坡的自然再生：基于永久样地的研究

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摘要

This paper highlights the possibilities of natural regeneration on degraded hillslopes in Southern Wello, Ethiopia, based on an investigation of eight fenced permanent plots in degraded habitats, shrublands and secondary forests. To compare processes of vegetation recovery and succession between the study sites and through time, vegetation data were collected from the tree/shrub and field layers of the eight plots during 1991-4. A general increase in species richness, number of individuals and crown cover was observed, and these increases were more evident in the relatively degraded areas than in the shrublands and secondary forests. This trend is in accordance with the results of short-lived hillside closures witnessed before the change of government in the country in 1991 and implies that there is a possibility of regeneration if the hillslopes can be kept free of human and animal intervention. However, successful regeneration of these hillslopes will depend on clearly defined sustainable development projects and on increasing the participation of the local people.
机译：本文根据对退化的栖息地，灌木丛和次生林中的八个围栏永久性地块的调查，重点介绍了埃塞俄比亚南部韦洛南部退化的山坡上自然再生的可能性。为了比较研究地点与时间之间植被恢复和演替的过程，我们从1991-4年期间的8个样地的树/灌木和田间层收集了植被数据。观察到物种丰富度，个体数量和树冠覆盖率总体增加，这些增加在相对退化的地区比灌木丛和次生森林更为明显。这种趋势与1991年该国政府换届之前短暂的山坡封闭结果相吻合，这意味着如果让山坡不受人类和动物的干预，就有可能再生。但是，这些山坡的成功再生将取决于明确定义的可持续发展项目以及增加当地人民的参与。

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