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出 处:《山东师范大学学报(自然科学版)》2006年第4期105-109,共5页Journal of Shandong Normal University(Natural Science)
基 金:教育部博士点基金资助项目(20030422030);山东省自然科学基金资助项目(Z2003D05)
摘 要:对山东省外来植物的统计和调查表明,山东省共有外来植物827种,占山东省植物种类总数的39.03%.危害或潜在危害较大的植物41种,对部分恶性植物进行了简要介绍.山东省外来植物区系的种类组成、原产地、生长型、生境和危害程度分析表明:(1)来源于国外的植物共384种,其中美洲、亚洲、欧洲来源比例高.(2)草本和灌木植物具有较强的入侵能力,高大乔木的入侵能力小;(3)外来植物生境与人类干扰有关.Based on our survey on the exotic plants of Shandong Province, there are total 827 alien species, which is 39.03% of total wild plants. Among them, 41 species are harmful or harmful potentially, and some of them are reported in this paper. The composition, origins, growth form and habitat of exotic plants in Shandong are discussed too. The results shows that: ( 1 ) 348 species were imported from other countries, and there is high proportion of exotic species root in America, Asia and Europe; (2) the invisibility and harmful degree of trees are less serious than those of climbs and herbs; (3) habitat of exotic shows correlation with human disturbance.
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