The Environmental Influence Of The Roading In Linzhi Tibet Area And The Study Of Its Countermeasure

Based on the development of western regions Tibet glossy Linzhi area situation and between country and Tibet request that environmental protection pay attention to that road construction develop rapidly. It is well known that Tibet is a subject of Qinghai-Tibet plateau, where the terrain is dangerously steep, the geographical position is special, the resource of the wild animals and plants, water resource and mineral resources are abundant. Tibet has been called "the roof of the world", "the third of the earth" , "snowy region" and so on. It is not only South Asia, Southeast Asia "rivers source",and ecological source but also China and even "starter" and regulating area of the Eastern. Linzhi prefecture has unique side even more as the south of Tibet where the ditch dark river is worried. The discrepancy in elevation is with a wide gap and old with varying climates. It has four seasons on one mountain, different days. This area includes extremely abundant climate, living beings geographical type and multilateral combination department that change again. In result, the natural landscape is abundant and special. The ecosystem type nearly includes the vegetation types of all climatic zones of Northern Hemisphere. Main ice and snow system represented by wet glacier of the population, water areas system represented by Brahmapatra midstream and downstream and tributary. Meadow system represented by high mountain grassy marshland and rich and varied forest ecosystem. These ecosystems are very fragile. Once destroy, it is very difficult to resume. The author combines domestic and international research experience and development trend and study Linzhi prefecture characteristic of road construction, network of highway overall arrangement and future possible influence to environment of implementing and get the corresponding countermeasure measure out of with concrete case study under construction impact on natural environment and impact on soil erosion of project under construction of very key research.1. To physical geography of Linzhi prefecture, the glacier, the river, the lake, soil, vegetation, forest, climate situation, etc., make qualitative analysis.2. Highway current situation and highway characteristic of current situation make qualitative analysis.3. To Linzhi prefecture in the future road constructions, network of highway overall arrangement might exert an influence and make qualitative analysis to natural environment.4. Analysises and studies to the impact on environment of project under construction, main content includes the following several respects:(1) Project analysis;(2) Natural social environment state the proj ect passes;(3) The current situation of environmental quality is investigated with evaluation and analysis;(4) Environmental impact predicting ;(5) Geological environment impact analysis;(6) Water and soil conservation scheme;(7) Environmental protection countermeasure and measure 鈥? (8 ) Corresponding introduction.