陇东黄土高原半干旱区生态环境现状与治理对策  

Current Ecological Environment Situation of Semi-arid Area of the Loess Plateau in Longdong and Countermeasure should be Taken

作　　者：许小梅[1] 

机构地区：[1]黄河水土保持西峰治理监督局,甘肃西峰745000

出　　处：《甘肃农业科技》2005年第1期18-20,共3页Gansu Agricultural Science and Technology

摘　　要：分析了陇东黄土高原半干旱地区生态环境现状 ,针对陇东黄土高原生态环境脆弱、水土流失严重、水资源短缺等实际 ,从大力推广“坡改梯”,提高粮食单产 ;退耕还林还草 ,保护和恢复生态环境 ;坚持小流域综合治理 ,防止水土流失 ;加强科学技术在生态环境治理中的推广应用 ;因地制宜 。The paper analyses the current ecological environment situation of semi-arid area of the loess plateau in Longdong.According to the natural environment of this area, such as fragile ecological environment, serious soil erosion and shortage of water resource, some recommendation is proposed.To improve the productivity of grain, reclaiming the terrace from the sloping field could be popularized in a more wider rang; Grain for green is to protect and resume the ecological environment; The comprehensive administration of small basin should be insisted on so that soil erosion can be prevented; In addition, it’s of importance to strengthen the popularization and application of science and technology in ecological environmental improvement.To improve the environment of semi-arid area of the eastern loess plateau, some success experience should be insisted unremittingly and the countermeasure should be suitable to local conditions, in the same way, comprehensive administration policy should be adopted, which also are considered as the countermeasure.

关 键 词：黄土高原 半干旱区 生态环境 治理对策 

分 类 号：S159.2[农业科学—土壤学]