黄南州草地害鼠、害虫现状及防治意见

Present sitlation of Grassland rodent and pest and suggestion of control

经调查,黄南州鼠虫危害面积68.37万h,占全州可利用草地面积(162.31万h)的42.12%。鼠害面积45.63万h,每年损失牧草量是7270.72万kg,虫害面积22.74万h,每年损失牧草是35704.12万kg,全州因鼠、虫害损失的牧草量(60%利用率)相当于17.66万羊单位的饲草量,经济损失3532.18万元,应采取积极防治措施,保护草地生态环境,提高经济效益。

From investigation,area of rodents and pests reached to 683700ha in Huangnan prsfecture.tatal utilizable area was 42.12%.Damage of hercage readled to 72707200kg each year for rodent.Damage of berhage reached to 357041200 for pest.Total Damage of herbage was equal 176600 sheep unit,econmic damage reacheel to 35321800 yuan,So measurement of contral shoud be taken to increase economic benifit.