The diversity of scarab beetles in grassland cattle dung from North China
樊三龙 FAN Sanlong, 方红 FANG Hong, 高传部 GAO Chuanbu, 张治良 ZHANG Zhiliang, 姜世成 JIANG Shicheng, 孙雨敏 SUN Yumin
Abstract
樊三龙 FAN Sanlong, 方红 FANG Hong, 高传部 GAO Chuanbu, 张治良 ZHANG Zhiliang, 姜世成 JIANG Shicheng, 孙雨敏 SUN Yumin
Abstract
2006年5-9月,在内蒙古鄂温克族自治旗(典型草原)、内蒙古科尔沁左翼后旗(沙地草原)和吉林省长岭县(草甸草原)3种放牧草地中,采用陷阱法和野外牛粪解剖手捡法采集牛粪中的金龟子,共采集金龟子75981头,分属9科43种。对其进行多样性分析,结果表明:长岭和鄂温克族自治旗牛粪生境中的优势种均是黄缘蜉金龟Aphodius sublimbatus (Motschulsky)(分别占各自生境捕获个体数的88.188%和93.547%),科尔沁左翼后旗的优势种为双顶嗡蜣螂Onthophagus bivertex Heyden(67.067%)、小蜉金龟Aphodius pusillus (Herbst) (14.524%)和独角凯蜣螂Caccobius unicornis (Fabricius) (10.264%)。科尔沁左翼后旗牛粪中金龟子的Simpson指数、Shannon-Wiener指数和均匀度指数在3种草地中均最高,长岭次之,鄂温克族自治旗最低。3种草地牛粪中金龟子的物种数与其丰富度相一致:长岭>科尔沁左翼后旗>鄂温克族自治旗。Sorenson群落相似性系数在0.458-0.578之间。
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2006年5-9月,在内蒙古鄂温克族自治旗(典型草原)、内蒙古科尔沁左翼后旗(沙地草原)和吉林省长岭县(草甸草原)3种放牧草地中,采用陷阱法和野外牛粪解剖手捡法采集牛粪中的金龟子,共采集金龟子75981头,分属9科43种。对其进行多样性分析,结果表明:长岭和鄂温克族自治旗牛粪生境中的优势种均是黄缘蜉金龟Aphodius sublimbatus (Motschulsky)(分别占各自生境捕获个体数的88.188%和93.547%),科尔沁左翼后旗的优势种为双顶嗡蜣螂Onthophagus bivertex Heyden(67.067%)、小蜉金龟Aphodius pusillus (Herbst) (14.524%)和独角凯蜣螂Caccobius unicornis (Fabricius) (10.264%)。科尔沁左翼后旗牛粪中金龟子的Simpson指数、Shannon-Wiener指数和均匀度指数在3种草地中均最高,长岭次之,鄂温克族自治旗最低。3种草地牛粪中金龟子的物种数与其丰富度相一致:长岭>科尔沁左翼后旗>鄂温克族自治旗。Sorenson群落相似性系数在0.458-0.578之间。
Key concepts: Grassland, Dung beetle, Scarabaeidae, Steppe, Geography, Biology, Livestock, Ecology