摘要
由于火山岩特殊的自然地理条件,其植被的组成与分布也具有特殊性。野外调查表明,湛江火山沟共有维管束植物238种,含种类较多的科为菊科、大戟科、禾本科、蝶形花科、桑科和芸香科。较重要的物种有大果榕、对叶榕、樟树、幌伞枫、假苹婆、桃金娘、野牡丹、鸭脚木、厚皮树等,它们在植被的组成与演替中起着举足轻重的作用。值得注意的是,外来入侵种在本区占有较大比例,这与本区的地理位置和日益增长的外贸、旅游交流等密切相关。该文对植被的组成、外来入侵种的危害作了分析与探讨,并提出了相应的保育措施。
Because of the particularity of geographic condition in lava, the composition and distribution of vegetation are different from others. A survey of distribution and composition of plant in Volcanic Vally in Zhanjiang,Guangdong was undertaken to provide a basis for management. The results show that： The families are dominant with Compositae, Euphorbiaceae, Poaceae, Pittosporaceae, Moraceae and Rutaceae; Some species, such as Ficus auriculata , F. his pida, Cinnamomum camphora , Sterculia lanceolata , Heteropanax fragrans , are more important than other species in vegetation composing and succession. In addition, the rate of invasive alien species are higher,the locality,increased trade and eco-tourism are responsible for so many species introducing from other areas.
出处
《广西植物》
CAS
CSCD
北大核心
2006年第4期424-428,348,共6页
Guihaia
基金
国家自然科学基金资助(30270122)
广东省和广州市基金项目(2005B60301001)
广东省数字植物园重点实验室资助~~
关键词
湛江
火山沟
外来入侵种
乡土种
Zhanjiang
Volcanic Valley
invasive alien species
native species
