【摘要】 2005～2006年在甘肃白水江国家级自然保护区的15个采集点共采到陆生贝类12科26属62种和亚种,均属腹足纲,区系组成上以东洋界物种占绝对优势,约占已知采集种的85%以上。垂直分布以600～1 200 m海拔区间种类丰富,海拔1 600 m以上种类大减。生境分布呈现出荒坡、灌丛种类多,森林、农田种类少的格局。更多还原

【Abstract】 The investigation of terrestrial mollusk in Baishuijiang National Nature Reserve in Gansu Province was carried out in 2005-2006.A total of 62 species or subspecies belonging to 12 families and 26 genera or subgenera had been obtained.The species of Oriental realm occupied absoluteness predominance and accounted for 85%of the total.The most abundant species diversity of terrestrial mollusks occurred along the altitudinal gradient of 600-1 200 m.Species number reduced greatly over 1 600 m.Terrestrial mollusks distributed on slope wasteland or shrub more than in the forest or farmland.更多还原