胡理乐1,3;闫伯前2,3,5;朱教君1;刘胜利4;江明喜5
HU Lile1,3,5;YAN Boqian2,3,5;ZHU Jiaojun1;LIU Shengli4;JIANG Mingxi5
1Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang 110016, China; 2Department of Food Science,Beijing Agricultural College, Beijing 102206, China; 3Graduate University of Chinese Academy of Sciences,Beijing 100039, China; 4Forestry Bureau of Qinyuan County,Liaoning Province,Qinyuan 113300, China; 5Wuhan Botanic Garden,Chinese Academy of Sciences,Wuhan 430074, China
摘要: 应用除趋势对应分析(DCA)与双向指示种分析(TWINSPAN)对濒危植物毛柄小勾儿茶(Berchemiella wilsonii var.pubipetiolata) 69块样地进行了排序与分类,共划分9个群落类型。结果表明,毛柄小勾儿茶生境特异性高。毛柄小勾儿茶在枫香(Liquidambar formosana)林、马尾松(Pinus massoniana)+杉木(Cunninghamia lanceolata)+青冈栎(Quercus glauca)针阔混交林、杂木林和青榨槭(Acer davidii)+大果山胡椒(Lindera praecox)林中生长较好。这4个群落林下层优势种具有相似性:草本层的优势种中均有求米草(Oplismenus undulatifolius),常有三脉紫菀(Aster ageratoides);灌木层优势种常有大果山胡椒。毛柄小勾儿茶分布于海拔500~900 m的低山区,多分布于湿润、排水良好的沟谷边,生境坡向多为阴坡。