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湖南地处北纬24°40′～30°05′,东经108°50′～114°15′。总面积为21万多 km~2,其中东南西部为山区,占25％(多在海拔500m 以上);中部为丘陵区,占65％;北部洞庭湖平原,仅占10％。4～10月月平气温均在16℃以上,年降雨量1200～1800mm,相对湿度75～85％。我省传疟媒介调查始于50年代,先后发现16种按蚊,中华按蚊始终是优势种和主要传疟媒介。70年代末以来,组织省内20多个单位,统一规划,在山区的桂
Hunan is located at latitude 24 ° 40 ’~ 30 ° 05’ and longitude 108 ° 50 ’~ 114 ° 15’ east longitude. The total area is more than 210,000km ~ 2, of which the southeast of the southeast is mountain, accounting for 25% (more than 500m above sea level); the hilly area in the middle accounts for 65%; and the north of Dongting Lake plains only accounts for 10%. From April to October, the monthly mean temperature is above 16 ℃, with annual rainfall of 1200-1800mm and relative humidity of 75-85%. A survey on malaria transmission in our province started in the 1950s and found that there were 16 species of Anopheles sinensis. Anopheles sinensis was always the dominant species and the main vector for transmitting malaria. Since the late 1970s, the province has organized more than 20 units in a unified plan in the mountains of Gui