作　　者： ; ; ; ;

机构地区： 西南林学院

出　　处： 《西部林业科学》 2007年第2期80-85,共6页

摘　　要： 从科、属、种级水平上对澜沧江自然保护区云南铁杉林的种子植物区系特征进行了研究。结果表明:①该云南铁杉林与热带区系的联系以泛热带、热带亚洲成分为主,与温带的联系以东亚成分和北温带成分为主;在云南与滇西、滇西北的关系最为密切;在全国与西南地区关系密切,在东亚地区与中国—喜马拉雅地区最为接近。②经对该云南铁杉林种子植物科、属、种级水平上的热带分布与温带分布之比作分析,得出其群落具有亚热带向温带过渡的特点。 This paper studied the floristic characteristics of Tsuga dumosa community in Lancangjiang Nature Reserve respectively from the levels of species, genus and family rank. The study results shows that： 1 ） The flora of Tsuga dumosa community relates with tropical flora mainly by Pantropic and Tropical Asia elements and connects with temperate flora mainly by East Asia and North Temperate elements. In Yunnan province, it has tightest contact with that of eastern and northeast part. Among China, it is closely correlated with southeast part. Among East Asia, it is most similar with flora in Sino-Himalaya; 2） According to the analysis of proportions of tropical and temperate elements from the level of species, genus and family, the flora of Lancangjiang Nature Reserve is characterized by transition from subtropical to tropical zone.

关 键 词： 澜沧江自然保护区 云南铁杉林 种子植物区系特征

领　　域： [农业科学] [农业科学]