摘要
通过对江河源区高寒草甸退化草地现状的调查研究 ,将这一地区的退化草地分为轻度、中度、重度和极度退化 4类 ,对不同退化演替阶段的草地采取不同治理措施进行试验研究。最后提出了通过禁牧封育、毒杂草防除和草地施肥的措施进行轻度和中度退化草地的恢复改良。通过建植人工草地和半人工草地的手段恢复与重建重度和“黑土型”退化草地的技术方案。
Situation of alpine meadow degenerated grassland in Changjiang and Yellow river source region was analysed, grassland in this region was divided into four types, including lightly, moderately, heavily and seriously degenerated grassland, and the different measures were applied in research experiments according to differently degenerated stages. Some technologies were used to improving grassland,such as,the lightly and moderately degenerated grassland can be rehabilitated by enclosing, eradicating weeds and fertilizing, and for the heavily degenerated and "black soil type" degenerated grassland, can be rehabilitated and rebuilt by establishing artificial and semiartificial grassland.
出处
《草业科学》
CAS
CSCD
2002年第9期1-5,共5页
Pratacultural Science
基金
青海省"九五"攻关项目 (编号 96- N -112 )
关键词
江河源区
高寒草甸
退化草地
重建技术
Changjiang and Yellow river source region
alpine meadow
degenerated grassland
rehabilitating and rebuilding
