永乐群岛维管植物资源调查与分析

Investigation and Analysis of Vascular Plant Resources in Yongle Islands

经过对西沙永乐群岛8个岛礁的植物资源进行调查,共记录高等植物158种,涉及53科132属,野生植物90种,栽培植物68种。各岛礁植物种类差异较大,晋卿岛124种、甘泉岛56种、石屿1种、羚羊礁24种、广金岛29种、鸭公岛12种、银屿39种、全富岛0种,在调查范围内较为常见的植物有34种,其中24种为野生植物,10种为栽培植物,野生植物明显多于栽培植物,占70.59%。本次调查摸清了这8个岛礁的植物本底和分布特征,为岛礁植物保育、引种、开发利用打下良好基础。

We have investigated the plant resources of eight islands and reefs in the Xisha Yongle Islands.158 species of higher plants were recorded,which belonging to 53 families and 132 genera,Including 90 species of wild plants and 68 species of cultivated plants.There were large differences in plant species among the eight islands and reefs.There were 124,56,1,24,29,12,39,0 species in Jinqing island,Ganquan island,Shiyu,Antelope Reef,Guangjin Island,Yagong Island,Yinyu respectively.But,there was no specie found in Quanfu Island.In the survey areas,34 species were common plants,including 24 wild plants and 10 hemerophyte.The study would lay a good foundation for the conservation,introduction,development and utilization of island and reef plants.