摘要
简要介绍了黑河流域下游额济纳绿洲自然概况 ,分析了黑河下游地表水、地下水近 2 0年的变化趋势 ,进而对额济纳绿洲植被生长、植物种群演替、植被覆盖度以及绿洲的存亡与当地地下水埋深的关系作了剖析 ,并对规划年绿洲变化作了预测。指出了水资源是黑河下游额济纳经济社会可持续发展和生态环境建设的依托 ,如何稳定绿洲和使绿洲有适度规模发展 ,是生态保护的核心问题 。
The paper briefly presents the natural general situation of Ejina oasis, analyzes the variation tendency of surface water and groundwater lasted 20 years in the lower Heihe River basin, dissects the growth of vegetation, succession of plant species, vegetation degree of coverage, the relationship between Ejina oasis and the depth of local groundwater, forecasts the change of Ejina oasis area in the designed years, and points out that the sustainable development of economy and society and environment construction in Ejina oasis rely on water resources.The core issue of Ejina ecology protection is how to steady the oasis and make it moderate expanding, which has important stratagem significance.
出处
《水科学进展》
EI
CAS
CSCD
北大核心
2002年第2期223-228,共6页
Advances in Water Science
基金
"九五"国家重点科技攻关滚动项目 ( 96 91 2 0 1 0 4S)
水利部科技创新项目 (SCX2 0 0 0 1 1 )~~
关键词
额济纳绿洲
水资源
黑河流域下游
地下水
植被
Ejina oasis
water resources
lower Heihe river basin
depth of groundwater
vegetation
