北京地区野生维管束植物组成特征及分布

Compositive Character and Distribution of Wild Vascular Bundle in Beijing

随着北京地区人口的增多,人类活动范围越来越大,野生维管束植物的分布也逐渐发生了变化。依据北京地区实地野外调查数据及相关文献,对15个调查单元的野生维管束植物进行统计分析。结果表明:北京地区野生维管植物共计1505种,国家重点保护野生维管束植物3种,北京市保护野生维管束植物98种,受危胁野生维管束植物36种,中国特有野生维管束植物199种,且主要分布于门头沟区、密云县、延庆县、怀柔区、海淀区、房山区、昌平区。本文的研究对北京市各县(区)进行生物多样性评价及生物多样性保护等提供了最新最基础的数据。

Following population growing and human activity bigger and bigger,the distribution of wild vascular bundle is gradually changing in Beijing.According to the field investigation data and relevant documents,statistics and analyze wide vascular bundle of 15 investigation units.The result showed that in Beijing there are 1 505 species of wild vascular bundle,of which there are 3 species protected in the level of state and 98 species protected in the level of area and 36 species threatened and 199 species endemism.These species mainly distribute in Mentougou,Miyun,Yanqing,Huairou,Haidian,Fangshan,Changpin.The study provides fundamental the latest data for biodiversity assessment and biodiversity conservation.