| Ecological problems of primary dry valleys is Southwest China and advances in the researches into them |
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| DOI：10.7606/j.issn.1000-7601.2007.04.17 |
| Key Words: dry valley ecological environment ecological restoration |
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| Abstract: |
| On the basis of referring to massive data, we find out that the previous studies on dry valley ecological environment were focused on soil forming feature,the distribution of soil nutrients and moisture,vegetation restoration, ecological environment reconstruction. To achieve harmony among population,resources and environment, the relationship between human being and environment should be focused in further study. After analyzing response and feedback of ecosystem and ecological factors to ecological environment change of dry valley,landscape ecology theories should be used to study the structure and function of dry valley and seek the primary mechanism of local ecological safety. |
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