摘要
为了研究不同规格鱼鳞坑的集水效果,确定不同立地类型条件下适宜的鱼鳞坑规格,通过鱼鳞坑集水效果指标的建立,对半干旱黄土丘陵沟壑区4种规格的鱼鳞坑集水效果的年内变化进行了对比研究。结果显示,在半阳向缓坡上,120cm×80cm×60cm或者80cm×60cm×60cm规格较适宜;半阳向陡坡和极陡坡上,80cm×60cm×60cm规格较适宜;而在半阴向缓坡和阴向缓坡上,80cm×60cm×60cm或者60cm×40cm×60cm规格较适宜。鱼鳞坑可以同时兼顾植被用水和生态用水,根据不同立地类型配置不同规格标准的鱼鳞坑,在实现植被恢复的同时,生态环境也得以有效改善。
In order to study the catchment effect of fish-scale pits with different specification,and determine the suitable scale under different site types,the change of catchment effect＇s of 4 kind specification in a year was studied,through the establishment of catchment effect value K.The results were that 120 cm×80 cm×60 cm or 80 cm×60 cm×60 cm specifications were suitable for the gradual slopes of semi-sunny;and 80 cm×60 cm×60 cm specification was suitable for the steep and very-steep slopes of semi-sunny;however 80 cm×60 cm×60 cm or 60 cm×40 cm×60 cm specifications were suitable for the gradual slopes of shady and semi-shady.The results show that the fish-scale pits could achieve simultaneously the vegetation water used and the ecology water used.The fish-scale pits with different specifications should be established according to different site types,so with the vegetation restored,the ecological environment could also be improved effectively.
出处
《灌溉排水学报》
CSCD
北大核心
2011年第5期91-94,共4页
Journal of Irrigation and Drainage
基金
林业科技支撑计划专题(2006BAD03A0302)
关键词
黄土区
不同规格
立地类型
鱼鳞坑
集水效果
生态用水
the loess plateau
different specifications
site types
fish-scale pits
catchment effect
ecology water
