青藏铁路格唐段高海拔地区植被恢复研究——I高寒草原植被现状与恢复基本途径探讨

青藏铁路的修建加强了西藏与内地的联系,对其经济发展、社会稳定具有重要的意义。但在修建过程中不可避免地对沿线的局部植被生态系统造成不同程度影响和破坏,如何尽快恢复植被生态系统至关重要。对青藏铁路青海境内的高海拔的气候条件及现有植被状况作了统计调查,提出尊重科学,因地制宜的指导原则,恢复与重建的工作一起抓:一方面要增强环保意识,加强管理,综合治理;另一方面通过原有草皮回植,科学管理以及异地繁殖当地草种等途径尽快提高地表覆盖度和植物种群多样性,以期达到最佳的生态效应。

Study on the Way of Restoration and Rebilitation of Vegetation in the Hgh-altitude Area of Qinghai-Tibetan Railway

The Qinghai-Tibet Plateau is the third polar in the world. The connection between Tibet and mainland is tightened by Qinghai-Tibetan Railway,which has practical significance in economy development and society stability,however,it inevitably causes the influence and destruction to the system of vegetation in the constreuction.It is the most important and foremost thing on how to restore and rehabilitate the vegetation in the high-altitude area of Qinghai-Tibetan Railway after construction.The investigation was made in the climate of the high-altitude and vegetation in Qinghai province.The author suggested that we should follow the principles of science and take reasonable measures based on actual conditions.Restoration and rehabilitation should be done at the same time.On the one hand,the consciousness of protection environment and management should be enforced and managed integrally;and on the other hand,the vegetation coverage and diversity of vegetation population should be improved as soon as possible,which can be approached through turf cultivated,scientifical management and multiplication of grass seeds.