青海省草地灾害类型与防灾对策

Disaster types and preventive strageties of grassland in qinghai province

通过对青海省草地灾害类型及灾害成因进行分析,结果表明:造成草地灾害的类型主要有干旱、风害、雪灾、鼠虫草害、沙化、水土流失等六类,灾害成因主要包括自然因素和人为因素两方面,其中过垦和超载过牧是引起草地环境灾害的最主要人为因素;针对草地灾害类型和灾害成因,提出了树立防灾意识、制订草地利用规划、坚持以草定畜、加强草地灾害预测预报和加强草原执法力度等相应的防灾对策。

The disaster types and cause of formation on Qinghai grassland were analyzed in this paper The result shows that the main types of disasters are drought, wind, snow, rodent and insect, detrimental weed, desertification, water and soil erosion, caused by natural and artificial factors, in which over cultivation and over grazing are the chief causes Preventive strategies were also presented, including disaster prevention awareness, grassland utilization program, stocking rate determination according to forage yield, disaster forecast and prediction, as well as grassland law execution 