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为掌握北京市昌平城区蝇类种群分布及季节消长变化规律,为科学开展灭蝇工作,有针对性地采取防制措施提供科学依据,我们于2008年4-10月选择不同环境对蝇类密度及季节消长进行了监测。1材料与方法1.1监测点的选择在昌平城区不同方位随机选择农贸市场1
In order to grasp the distribution pattern of flies in Changping urban area of Beijing and the laws of seasonal fluctuation, to provide a scientific basis for scientific flies-killing work and targeted prevention and control measures, we selected different environments for flies density in April-October 2008 And the seasonal fluctuation has been monitored. 1 Materials and methods 1.1 The choice of monitoring points Changping city in different directions randomly selected farmers market 1