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1原有钉螺分布情况福建省的钉螺为光壳钉螺，属湖北钉螺闽亚种[1]。原有钉螺面积2728．12万m2，分布在6个地（市）14个县（市）70个乡（镇）319个自然村。钉螺分布类型，一为平原盆地；二为山丘区，即山上的山顶、山腰、山脚。此外，我省还发现4个海岛有螺，其中平潭县海坛岛面
1 The original snail distribution Fujian snail snail snail shell light, is a snail minnow [1]. The original snail area of 27281200 m2, distributed in 6 prefectures (cities) 14 counties (cities) 70 townships (towns) 319 villages. Snail distribution type, a plain basin; two for the hill area, that is, the mountain top, mountain, mountain foot. In addition, the province also found four islands with snail, Pingtan County, the altar island