中国珍稀濒危植物物种丰富度空间分布格局  

THE SPATIAL DISTRIBUTION PATTERNS OF RARE PLANTS AND ENDEMIC SPECIES IN CHINA

作　　者：孙珊[1] 黄贝[1] 武瑞东[2] 周汝良 

机构地区：[1]西南林业大学林学院,云南昆明650224 [2]云南大学亚洲国际河流中心,云南昆明650091 [3]云南生物多样性研究院,云南昆明650224

出　　处：《云南地理环境研究》2013年第1期19-24,共6页Yunnan Geographic Environment Research

基　　金：国家自然科学基金(41261085);国家科技支撑项目(2011BAD32B05)

摘　　要：利用中国373种珍稀濒危植物的县域分布、海拔分布以及生境信息获得物种的空间分布范围,探讨了中国珍稀濒危植物物种以及特有种的空间分布格局。通过物种丰富度及物种分布所占面积比定权,以ArcGIS为平台,采用克里金插值法(Kriging)模拟得出中国珍稀濒危植物的8个丰富度分布中心:东喜马拉雅沿横断山脉至秦岭、小兴安岭至长白山一线、滇南沿边境至广西南端、湖南、湖北和重庆交界处的大巴山、湖南、广西、贵州3省交界的雪峰山地区、黄山向南至武夷山一线、海南岛与台湾岛。This paper explored the spatial distribution pattern of rare endangered flora species and endemic species in China through the spatial distribution ranges of 373 rare species which were derived from the county distribu- tion, elevation distribution and the habitat information of theirs. By using the species richness and the scale pro- portion of the species distribution rating, 8 richness centers of rare endangered species were obtained though Arc- GIS platform and the simulated result of Kriging. They are as follows： Eastern Himalaya - Hengduan Mountains to Qinling Mountains; Lesser Khingan Mountains to Changbai Mountains; along the border of Southern Yunnan to Southern Guangxi; Daba Mountains which are the intersection of Hunan, Hubei and Chongqing; Xuefeng Mountains areas which are the juncture of Hunan, Guangxi and Guizhou; Huangshan Mountains to Wuyi Mountains; Hainan Island; Taiwan Island.

关 键 词：中国珍稀濒危植物 丰富度 空间分布格局 克里金插值法 

分 类 号：Q948.2[生物学—植物学]