基于125万数据库数据的数字地图制图（Digital cartography based on 125 000 database data）.doc

基于125万数据库数据的数字地图制图（Digital cartography based on 125 000 database data） Annex 4: Locust control program in 2012 I organized an expert consultation center forecast, 2012 in locust overall medium occurrence, occurrence area of about 24 million 200 thousand acres. Among them, the locust and Asiatic Migratory Locust will appear high density chip hoppers point in the local area. In order to effectively control the city, formulated the plan. I. targets of prevention and control In the locust disposal rate of 90%, accounting for more than 20% biological control; locust disposal rate of 60%, biological control accounted for more than 10%, the damage control in less than 5%, to achieve no locusts off disaster, grasshopper non-proliferation hazards, border immigration locusts Fuji off target. Dont take off locust disaster, grasshopper non-proliferation hazards, border immigration locusts Fuji off target. Two, prevention and control strategy The locust prevention and control strategy for the ruthless treatment of summer locust control, autumn locust locust prevention and control strategy; pricking treatment, as the young control in diffusion Qiaozhi, harm before. Three, prevention and control measures (1) prevention and control of key areas Locust: key control area for Bohai bay big locust area, the middle and lower reaches of the Yellow River, Southern China local section of floodplain locust area and part of the locust area along Huaihe river. Asia: Locust prevention focus area for Xinjiang Aletai, Tacheng, Yili, and Akesu and other places in rural areas and Kazakhstan border region. Tibet: Locust prevention focus area for the Sichuan Ganzi Jinsha River, Yalong River Valley in Qinghai, Jinsha River in Yushu Valley in Changdu, Tibet, Lhasa, Shigatse, Shannan area of Jinsha River, Brahmaputra and nyangqu Rivers Valley area. Clare: key control areas for rural areas in Inner Mongolia, northern Hebei, northern Shanxi, Jilin and Western Liaoning, Western Heilongjiang, northern and