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本项调查以遮荫系数反映了水稻的生长情况,7月中旬至8月下旬是遮荫条件最佳阶段,但嗜人按蚊的种群数量却明显下降,说明遮荫条件与按蚊种群密度并不存在密切关系。该阶段气温高、降雨量少,湿度偏低可能是影响当地按蚊密度的主要因素。
The survey reflects the growth of rice with shading coefficient. From mid-July to late August is the best stage of shading conditions, however, the population of Anopheles anthropophagus decreased significantly, indicating that shading conditions and the population density of Anopheles mosquitoes There is no close relationship. During this period, high temperature, low rainfall and low humidity may be the main factors affecting the density of mosquitoes in the area.