绿洲景观生态建设的理论思考

本文以新疆绿洲为例 ,详细讨论了绿洲景观内当前存在的主要环境问题的危害与成因 ,并针对这些问题 ,以景观生态学原理为指导 ,对绿洲景观生态规划进行了讨论 ,结果认为 ;对于绿洲景观而言 ,只要从加强排水系统工程建设、实现灌排配套 ;调整优化绿洲农业结构 ;完善和加强绿洲防护林体系建设和绿洲 -荒漠交错带建设 ,即可实现绿洲环境的可持续性 ,进而为绿洲经济的可持续发展创造条件

Theoretical Thinking of oases's Landscape Ecological Construction

Oasis is one of the azonal landscape in the arid land, in which the 90% population and 95% social wealthy are concentrated. In china,it mainly distributes in the west of the Helan Mountain and Wusaoling Mountain. It is surrounded by the desert,so the desertification disaster occurs easily. Under the modern economic development condition, desertification expanded fast. For oasis, the secondary salinization is the biggest disaster and the sandy desertification is the number two. In oasis distributing area, the environmental sustainablity is the basic guarantee for regional sustainable development. In this paper, taking Xinjiang as an example, the causes, results and harms of environment problems in oasis were discussed firstly. In order to gain the environmental sustainability, the following landscape management measures should be taken. First, the drainage system of oasis farmland should be strengthened to assort with the irrigation system. Second, the agriculture structure should be adjusted and optimized to improve farmer's economic benefit. Third, the shelterbelt system should be consummated to create a microclimate environment condition for oasis agriculture production. Finally, the vegetation construction of the transitional belt between oasis and peripheral desert should be strenthened.