广东省沙溪自然保护区植被资源与分布

文章通过对沙溪自然保护区的植物资源调查,对保护区的植被类型进行了分类,并对野生植物资源的种类的分布进行了分析。调查发现保护区有7种植被类型,其中以亚热带常绿阔叶林为主要植被类型,主要分布于海拔100~850m左右的丘陵和山地。亚热带常绿针叶与阔叶混交林面积较大,主要分布在长坪一带。亚热带常绿与落叶阔叶混交林、亚热带常绿针叶林、灌丛草坡分布较少。竹林主要在村庄附近的沟谷两旁和山地,处于半自然状态。保护区野生维管植物191科630属1225种,其中野生国家级保护植物7种,珍稀野生保护植物7种。保护区内植物资源丰富,其中野生维管植物资源种类繁多,蕴藏量较大,不少种类具有巨大的经济价值和生态价值,这对保护区及北江流域生态环境的保护和改善提供了基础依据。

Plant resources and distribution of Shaxi nature seserve in Guangdong

According to the preliminary investigation to Sha Xi Nature Reserve,vegetation variety was classified and the distributing characteristics were analyzed.The investigation showed that there were 7 categories of vegetables in the Reserve with the main vegetation types as subtropical evergreen broad-leaved forest,mainly distributed on the hills and mountains around 100 to 850 m above sea level.Subtropical evergreen coniferous and deciduous broad-leaved forest were mainly distributed in the vicinity of Chang-Ping.Subtropical evergreen and deciduous broad-leaved forest,subtropical evergreen coniferous forest,shrub grassland were less distributed.Bamboo mainly distributed in the villages near the mountain and valley sides in a semi-natural state.There were 1225 species of wild vascular plants belonging to 191 families and 630 genera in which 7 species of wild plants for national level protection and 6 kinds rare and precious wild protection plants in the Reserve.Plant resource of Sha Xi Natural Reserve is abundant and there are wide variety of wild vascular plants,some of which are of great economic value and ecological value.This has provided the basis to ecological environment protection and improvement in the Reserve and the Beijiang River basin.