晋江灵源山外来入侵植物调查分析与管理对策的探讨

Study on the Investigation and Management Strategy of the Alien Invasive Plants in Lingyuan Mountains,Jinjiang City

调查表明,晋江灵源山118科363属507种维管束植物中,有外来入侵物种16科39属43种,分别占13.56%,10.74%和8.48%。其中,菊科最多,有16种,占37.19%;生活型以草本最多,有34种,占79.07%;原产地以美洲最多,有32种,占74.42%;引入途径以无意传入最多,有28种,占65.12%。通过对灵源山41个样地的调查分析发现,假臭草入侵最严重;在各种森林植被中,巨尾桉群落外来入侵现象较严重。基于灵源山外来入侵植物发展现状,揭示了其对森林生态系统的危害,提出生态保护建议与防治对策。

There are507kinds of vascular plants which belong to363generals in118families in Lingyuan Mountains.The result shows that there are43species alien invasive plants among these plants(accounting for8.48%),the43species come from39generals(10.47%)and the39generals are from16families(13.56%).Among them,the highest proportion is the Asteraceae family.There are16species in the Asteraceae family,accounting for37.19%of the total invasive species.The terrestrial herb which belongs to the life was the most abundant and there are34species(79.07%).The number of species from America was32,which was the most,and accounted for74.42%of the total species number.28species(65.12%)were introduced unintentionally.According to the analysis of the survey of41forest communities in Lingyuan Mountains,Eupatorium catarium is the biggest invader and has caused great damage to the species of Lingyuan Mountains.In all kinds of the forest vegetation,there are the most alien invasive species in the Eucalyptus grandis×E.urophylla community.This article shows the damage of invasive species to the ecosystem of Lingyuan Mountains.And suggestions and preventions are raised to protect the ecosystem.