摘要
该文以宁夏平原绿洲为例,并以相邻的荒漠草原区作为对比,讨论灌溉农田生态系统的本质特征──能量转换效率。为维持其系统的平衡和能量的高输出,提出了系统的调控途径。
This paper takes Ningxia Plain Oasis as an example,and compared with nearby area ofdesert steppe,discusses the basic features of land eco-system of irrigated area──energytransformation efficiency,For keeping balance of eco─system and high output of energy inoasis, the authOrs propose some adjustment measures。
出处
《干旱区资源与环境》
CSCD
1995年第4期146-152,共7页
Journal of Arid Land Resources and Environment
关键词
宁夏平原
绿洲
能量转换效率
农用生态系统
宁夏
Ningxia Plain Oasis,Energy transforming efficiency,Adjusting way of land eco─syStem