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平西高速公路是青海省第一条高速公路 ,加之它地处高原 ,沿线的生态环境脆弱 ,如果不及时恢复生态 ,非常容易导致生态系统逆向演替 ,导致土壤沙化 ,因此采取恰当措施植被恢复非常必要。本文通过分析该路域影响植被恢复的因子 ,认为最主要的限制因子是土壤和水分供应 ,并通过实践探讨平西高速公路路域内克服该问题的措施 ,首先选择适宜的植物类型 ,其次通过建植和管护减轻土壤中的有害物质对植物的危害 ,延长苗木的生长年限
Pingxi Expressway is the first expressway in Qinghai Province. In addition, it is located in the plateau. The ecological environment along the line is fragile. If the ecological environment along the route is not restored in time, it is very easy to cause reverse succession of ecosystems and cause soil desertification. Therefore, appropriate measures are taken to restore vegetation necessary. In this paper, by analyzing the factors affecting the vegetation restoration in this road area, the main limiting factor is considered as the supply of soil and water. By practicing the measures to overcome this problem in the road of Pingxi Expressway, we first select suitable plant types and secondly, And management and protection to reduce harmful substances in the soil on plants, to extend the growth of seedlings