上高县１９９５至１９９６年蚊虫种群密度调查曹启宁何德勤为了解本县蚊虫种群分类、季节消长及密度情况，１９９５～１９９６年３～１１月间进行了调查分析。１调查点选择全县按东、南、西、北、中方位，分别选定农村、县城各５个点。２调查时间与方法每年３月开始，１１... Investigation on Population Density of Mosquitoes in Shanggao County from 1995 to 1996 Cao Qining and He Delin In order to understand the classification, seasonal fluctuation and density of mosquitoes in this county, the investigation and analysis were conducted from March 1995 to March 1996. 1 Survey Point Select the county according to east, south, west, north, and China positions, respectively, selected rural areas, the county five points. 2 survey time and method begins in March each year, 11 ...