摘要
本文通过大量调查与分析,得出陕西西部地区生态农业存在的主要问题是:森林资源破坏严重,覆盖面积下降;水土流失加剧;耕地资源减少;水域环境恶化;大气污染加重;植物资源骤减,自然景观受到破坏;干旱洪涝等自然灾害频繁。当前应采取的对策是建立高效型生态农业系统,实行特殊的生态政策,使农业环境根本好转。
It is obtained through a number of inverstigations and analyses that the main problems in the ecological agriculture of western Shaanxi area are: serious destroyed forest resourses, decreased cover area, speeding water loss and soil erosion, decreased arable land, worsening water environment, agregating atmosphere pollution, swiftly decreased plant resourses, destroyed natural scenery, drought and flood.The key of it at present is to establish a highly effective ecological agriculture system and carry out a special ecological policy to improve agricultural environment thoroughly.
出处
《灾害学》
CSCD
1991年第1期60-64,共5页
Journal of Catastrophology
基金
国家"七.五"攻关课题75-04-03-01
陕西省农办重点攻关课题71251工程
关键词
生态农业
黄土丘陵
陕西
Loess and downland, Ecological agriculture, West part of Shaanxi, Treatment countermeasure.
