为保护和修复黄河三角洲贝壳堤岛的生态系统,于2008年5-10月对其土壤甲螨进行了调查.结果显示,共获得标本2 457头,隶属于30科46属52种,其中优势种有3个:覆盖头甲螨、盛若甲螨和大洋上罗甲螨.对39个已知种进行区系分析,华北区与华中区重叠率最高(89.7%),其次是与东北区和华南区,再次是与西南区和蒙新区,与青藏区重叠率最低(0).黄河三角洲贝壳堤岛土壤甲螨在中国动物地理区划中的归属类型多样,多数甲螨分布较广.%The soil oribatid mites were surveyed in shell island of Yellow River Delta from May to October, 2008 to protect and repair its ecological system. 2457 soil oribatid mites belonging to 52 species,46 genera and 30 families were collected. Tectocepheius velatus,Oribatula sakamorii and Epilohmannia pallida pacifica are dominant species. The faunal analysis of 39 known species indicates that the overlap rate of soil oribatid mites between the shell island of Yellow River Delta and Central China zone is the highest (89. 7％), followed by Northeast China zone, South China zone, Southwest China zone and Mengxin zone. Most oribatid mites widely distribute in shell island of Yellow River Delta and its soil oribatid mites are of diversity in the zoogeographical division of china.
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