摘要
通过对相关文献资料的整理、标本信息和野外调查,分析了中国东北三省外来种子植物的种类组成、生活型、原产地和入侵途径.结果表明,东北三省外来种子植物有32科136种.其中,菊科、豆科、禾本科、苋科、十字花科、茄科种类较多,占外来种子植物总种数的67.7%.根据原产地分析,来源于美洲的种类最多,约占总数的55%.
An analysis of relevant literature and specimen records was conducted,together with field investigations,to examine the species composition,life form,origin and form of introduction of exotic spermatophyte in the three provinces in Northeast China.136 exotic spermatophytes of 32 families were determined.The most common families represented were Asteraceae,Leguminosae,Gramineae,Amaranthaceae,Cruciferae and Solanaceae,accounting for 67.6% of all exotic sermatophytes.The most common places of origin were America,accounting for 55% of all species.
出处
《沈阳大学学报（自然科学版）》
CAS
2014年第5期349-353,共5页
Journal of Shenyang University：Natural Science
基金
国家自然科学基金资助项目(31070466)
关键词
中国东北三省
外来种子植物
植物入侵
原产地
生活型
three provinces in Northeast China
exotic spermatophyte
plant invasion
origin
life form
