摘要
由于较少受到第四纪冰川的直接侵袭,加之复杂的地形,优越的气候条件,重庆地区保存了大量古老孑遗植物.据统计调查,该地区有国家级珍稀濒危植物66种,隶属38科60属.其中蕨类植物5科6属7种,裸子植物6科15属18种,被子植物27科39属41种.通过分析重庆地区珍稀濒危植物的生活型特征、地理分布特征、保护现状及其致濒机理,提出了相应的保护对策.
Chongqing is rarely influenced by quaternary glacier.It has complex geomorphy and superior climate.It's rich in rare and endangered plants that belongs to 38 families 60 genera.There are 7 species of pterdophyte,18 species of gymnosperm,and 41 species of angiosperm.Some proposals for protecting the resources of these plants are presented on the base of analying the types,distribution,endangered causes and present conditions of natural protection.
出处
《西南师范大学学报(自然科学版)》
CAS
CSCD
北大核心
2002年第6期932-938,共7页
Journal of Southwest China Normal University(Natural Science Edition)
基金
国家自然科学基金资助(30070080).