WU Qing-long.The Applicability Analysis of Massive Artificial Forestation in Lanzhou South-north Hills[J].Research of Soil and Water Conservation,2003,10(03):134-136.
兰州南北两山绿化造林工程的适宜性分析
- Title:
- The Applicability Analysis of Massive Artificial Forestation in Lanzhou South-north Hills
- 分类号:
- S727
- 摘要:
- 兰州地处西北半干旱地区,其南北两山为典型的黄土地貌,自然植被为荒漠草原,土壤类型为灰钙土.这表明,兰州南北两山并不适宜于森林生长,因此不应进行大规模的人工造林.大规模的人工造林不仅消耗大量的人力、财力和物力,而且还消耗了大量的水资源;不仅难以达到改善生态环境的目的,而且还对当地原生的荒漠草原造成了毁坏,具有很大的盲目性.这不仅背离了生态工程建设的真正内涵,也背离了可持续发展的基本原则,因此这种现象必须得到纠正.
- Abstract:
- The city of Lanzhou is located in Northwest China,with the average precipitation of 327 mm and the average evaporaty of more than 1 000 mm.The Lanzhou South north hills,to the south and to the north of Lanzhou,are typical loess landforms,such as loess terrace,loess ridge,and loess hill.The natural zonal vegetation of the south north hills is desert steppe,and the zonal soil is sierozem.In the view of ecology,the local climate,natural vegetation and soil have shown clearly that the hills are not suitable for extensive artificial forestation.It would not only consumes a large quantity of human,financial and water resources,but also destroys the original steppe ecology.The massive development of artificial forest,which occurred in Lanzhou South north hills in recent years,deviates from the general aims of ecological engineering and the principals of sustainable development,and should be rectified.
参考文献/References:
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[2] 钱正英.关于西北地区水资源配置、生态环境建设和可持续发展战略研究项目成果的汇报(摘要)[N].人民日报,20030227,第6版.
[3] 赵予萍.兰州地区绿化工程建设中水资源的综合利用与可持续发展[J].甘肃环境监测与研究,2001(3):119-120.
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备注/Memo
收稿日期:2003-4-25。
作者简介:吴庆龙(1973- ),男,在读博士生,主要从事第四纪环境研究.