中国区域性环境因子与蝗虫防治

综合分析我国区域性环境因子中的气候、土质、植被、地形、水文等对蝗虫在我国的分布、生长发育的影响,并在此基础上,得到蝗虫对其生存环境具有很大的选择性,区域性环境因子对蝗虫生长发育的适宜性是蝗虫暴发成灾的主要原因,则可根据蝗虫生长发育及分布的规律性依据区域性环境因子对蝗灾的形成进行预防。进一步分析得知:蝗虫的治理应重在预防,生态防治是重中之重,蝗灾形成后的治理已对农牧业造成了危害,并且在目前蝗虫的治理方法中,化学防治只能进行蝗灾治理的应急措施,物理防治、不危害生态的生物防治、生态改造是首选的防治方法,这样才能做到蝗虫的"不形成、不扩散、不成灾",达到生态治理蝗虫的目的。

Regional Environmental Factors in China and Locust Control

This paper comprehensively analyzed the impacts of regional environmental factors in China,like climate,soil,vegetation,topography,hydrology and so on,on the distribution,growth and development of locusts.On this basis,the results showed that locusts had great selectivity about their living environment,the appropriateness of regional environmental factors was an important factor in the growth and development of locusts,and the main reason for the outbreak of locusts thus according to the regularity of the growth,development and distribution of locusts,combined with regional environmental factors,their outbreak could be prevented.Furthermore,the locust control should focus on the prevention,and ecological control is the most important,because the governance harmed the agriculture and animal husbandry after the formation of the locust plague.Moreover,among the current methods of locust control,the chemical control could only be used as an urgent measure,while the physical and biological controls not harming the ecology,together with the ecological transformation,should be the preferred methods of prevention and treatment.Only in this way could the purpose be achieved that locusts could not form,could not spread,and could not be a disaster in the ecological management.