中國蝗災(zāi)的社會經(jīng)濟隱患及其中長期治理對策研究.pdf

1、The oriental migratory locust (Locusta migratoria manilensis) is a most serious and frequently occurring pest. Based upon investigating environments in breeding regions, analyzing the influencing factors trend of occurre

2、nce, the total area of locust breeding region is 1530,000ha, and distributing in 151 counties around middle and down stream of the Yellow River, the Bohai Bay, and some lakes and reservoirs in Northern China. The vegetat

3、ion structure, soil character, predominant species of natural enemies, and other grasshopper species have been determined. The occurrence trend of locust plague and its influence on agriculture, animal husbandry, and the

4、 ecosystems have been analyzed. The trend of locust plague, the outbreak area and frequency increasing will increase. It needs to input more to reduce the plague. The long-term aim and strategies have been proposed, sugg

5、esting to enhancement of the behavior of government, improvement of monitoring and emergency action systems and so on.From the view of sustainable management of locust plague the tactics for IPM with ecological environme

6、nts management, biological control, and chemical control have been discussed.Key Words:Locust plagueEcosystemsIPM AbstractThe oriental migratory locust (Locusta migratoria manilensis) is a most serious and frequently occ

7、urring pest. Based upon investigating environments in breeding regions, analyzing the influencing factors trend of occurrence, the total area of locust breeding region is 1530,000ha, and distributing in 151 counties arou

8、nd middle and down stream of the Yellow River, the Bohai Bay, and some lakes and reservoirs in Northern China. The vegetation structure, soil character, predominant species of natural enemies, and other grasshopper speci

9、es have been determined. The occurrence trend of locust plague and its influence on agriculture, animal husbandry, and the ecosystems have been analyzed. The trend of locust plague, the outbreak area and frequency increa

10、sing will increase. It needs to input more to reduce the plague. The long-term aim and strategies have been proposed, suggesting to enhancement of the behavior of government, improvement of monitoring and emergency actio