南京市四害密度调查及防制对策

The Density Investigation and Control of "the Four Pests" in Nanjing

目的:对2001年南京市四害密度进行了调查,提出防制对策;方法:按照“全国除四害密度监测办法的要求”对各种外环境的鼠、蟑螂、蚊和蝇的密度及种群的组成进行了调查;结果:与2000年监测结果相比鼠密度指数及蟑螂密度指数分别上升1.05,1.56,蚊、蝇密度有所下降;结论:城市外环境四害的防制应从综合措施入手,提高防制技术,才能长久有效地得到控制。

Objective:To take proper measures for the control of 'the Four Pests 'in Naning after having investigated its density . Methods: To investigate the distribution density and group composition of rats, cockroaches, mosquitoes and flies in various environments according to the 'National Surveillance Principle for the Four Pests' . Results: The density indexes of rats and cockroaches in 2001 increased by 1.05 and 1.56 respectively than in 2000, while the density indexes of mosquitoes and flies decreased. Conclusion: The comprehensive measures and advanced technologies should be advocated to prevent' the Four Pests in city environment management for a long term effectiveness.