龙滩自然保护区植物生物多样性特点及其生态安全问题  

Characteristics and the Issue of Eco-safety for the Plant Biodiversity in Longtan Nature Reserve

作　　者：贾桂康[1] 薛跃规[2] 

机构地区：[1]百色学院化学与生命科学系,广西百色533000 [2]广西师范大学生命科学学院,广西桂林541004

出　　处：《湖北农业科学》2011年第15期3058-3061,共4页Hubei Agricultural Sciences

基　　金：广西环境工程与保护评价重点实验室研究基金资助(0802k013)

摘　　要：从物种多样性、遗传多样性、生态系统多样性3个层面对龙滩自然保护区植物生物多样性进行了评价,分析了龙滩自然保护区植物生物多样性的特点,并提出了影响植物生物多样性的主要生态安全问题。结果表明,龙滩自然保护区植物种类丰富,有维管植物205科、1 029属、2 821种;影响植物生物多样性的主要生态安全问题为珍稀濒危野生植物破坏及外来物种的入侵。The characteristic and status of plant biodiversity in Longtan Nature Reserve was evaluated from the three aspects of biodiversity,species diversity,genetic diversity and ecosystem diversity.And the primary eco-safety influencing factors for plant biodiversity in Longtan Nature Reserve were put forward.The results show that the plant biodiversity in Longtan Nature Reserve was abundant,there were 2 821 species of vascular bundle plants belonging to 1 029 genera,205 families.The main problems influencing eco-safety included the destruction of endangered wild plants and exotic species invation.

关 键 词：植物生物多样性 生态安全 龙滩自然保护区 

分 类 号：Q948[生物学—植物学] X176[环境科学与工程—环境科学]