湖南新宁国家石漠公园石灰岩植物资源调查

Investigation of Limestone Plant Resources of Xinning National Stone Desert Park in Hunan Province

通过调查湖南新宁国家石漠公园的石灰岩植物资源及植被概况,分析了物种组成特点及其生活型、观赏特性等,提出了资源保护与利用建议,旨在为石漠公园今后的保护与管理工作提供参考依据。主要采用样线法和样方法对石漠公园植物种类和植被资源进行调查。调查结果显示:石漠公园共记录石灰岩植物50科、90属、132种,主要植被类型可划分为4个植被型组、9个植被型、31个群系。石漠公园内石灰岩植物物种多样性程度高,大部分种类都具有较高的观赏价值,且对环境适应能力强,可为良种选育提供丰富的种质材料,为石灰岩地区开展生态修复、景观绿化等提供基础保障。

According to the investigation of limestone plant resources and vegetation of Xinning National Stone Desert Park in Hunan Province,the characteristics of species composition,life type and ornamental characteristics were analyzed,and some suggestions on the protection and utilization of plant resources were put forward,and it will be of reference value to protection and management work in the future of the stone desert park.The plant species and vegetation resources of stone desert park were investigated by the method of sample and line transect.The results of the investigation showed 50 families,90 genera and 132 species of limestone plants were recorded in the stone desert park,and the main vegetation types could be divided into 4 vegetation type groups,9 vegetation types,31 formations.The limestone plant species diversity is very rich,and many species have high ornamental value and strong adaptability to the environment.The resources situation can provide abundant germplasm materials for breeding of improved varieties,and provide basic guarantee for ecological remediation and landscape planting in limestone areas.