半干旱山区小流域退化生态系统重建与农业资源开发——以内蒙古自治区翁牛特旗隋家窝铺小流域为例

本文以具有北方半干旱山区代表性和典型性的隋家窝铺小流域为例,在简要分析了生态系统退化的现状、特征和原因的基础上,根椐生态经济学原理,提出了退化小流域生态系统重建与农业资源开发的原则、方向、途径及措施。通过５ａ的实践,在生态经济沟、防护林体系、人工草地、抗旱农田和高产栽培示范区等建设中取得了明显的生态和经济效益。

THE DEGRADED ECOSYSTEM RECONSTRUCTION AND AGRICULTURAL RESOURCES EXPLOITATION OF SMALL WATERSHEDS IN SEMI ARID MOUNTAINOUS REGIONS——A CAES STUDY ON THE SUIJIAWOPU SMALL WATERSHED INWENGNIUTE COUNTY OF INNER MONGOLIA

Taking the Suijiawopu small watershed as an example, this paper briefly analyses the status, characteristics, and causes of the degraded ecosystem,and then, according to the principles of eco economics, puts forward the principles,orientation,ways and measures of the degraded ecosystem reconstruction and agricultural resources exploitation.Obvious ecological benefits and economic benefits have been achieved in eco economic valleys, protective forest system,artificial grassland, drought resistant farmland and culture demonstration area for high yield through 5 years' practice.