海南鹦哥岭自然保护区的珍稀濒危植物与保育

对鹦哥岭的珍稀濒危植物进行野外调查表明,本区共有野生分布的珍稀濒危植物79种,隶属于47科71属。其中属于1999年国家重点一级保护4种,如海南苏铁(Cycas hainansis)、坡垒(Hopea hainansis)、台湾苏铁(Cy-cas taiwaniana)和伯乐树(Bretschneidera sinensis),国家二级保护14种。建议将18种列入国家保护名录中,20种列入省级保护名录,其中有30种为海南特有种。鹦哥岭珍稀濒危植物面临的威胁主要有原始森林面积的减少、人为毁林开荒和分布区限制。针对珍稀濒危植物的现状和受到的威胁,提出了应重点加强保护的6个地点及相应的保护对策和建议。

Rare and Endangered Plants and Conservation in Yinggeling Nature Reserve,Hainan

Our survey of the flora of Yinggeling Nature Reserve revealed 79 species of rare and endangered plants in 47 families and 71 genera,including 6 fern species,9 gymnosperm species and 69 angiosperm species.Among them,four species are under Class I National Protection including Cycas hainanensis,Hopea hainanensis,Cycas taiwaniana,Bretschneidera sinensis,14 species are under Class II Protection base the National Protection List gazetted in 1999.18 species are proposed to be included into national protection list,and 20 species in provincial level,in which 30 species are endemic to Hainan.The threatened species are mainly caused by decrease of coverage of primary forests and over-exploitation.Recommendations on conservations of these rare and endangered species are made,and 6 sites with particular plant conservation importance are suggested for priority protection.