A dataset of vegetation classification characteristics and background information of long-term ecological plots in Chinese Ecosystem Research Network (CERN)

This dataset is a comprehensive integration of 95 long-term plots from 22 natural ecosystem stations. We first sorted out the background information such as the geographical location, establishment time, area and representativeness of the long-term plot of ecological station. Drawing from the survey data of plant communities at the beginning of the plot establishment and adhering to the latest Chinese vegetation classification system, we then meticulously delineated the vegetation formation group, vegetation formation and vegetation subformation of each sample plot’s plant community. Based on the list of dominant species found in each sample plot, we identified and named the alliance and association of the vegetation in the plot. The construction of this dataset went through multiple rounds of expert review-station verification-expert review-station acceptance, etc. The dataset comprises station code, station name, plot code, plot name, plot type, plot representativeness, geographical location, altitude, plot area and shape, plot establishment time and design service life, vegetation formation group, vegetation formation, vegetation subformation, alliance, association, dominant species and remarks. It is expected to provide data support for the studies on flora, vegetation resource distribution, and biodiversity conservation.

本数据集整合了来自22个自然生态系统站的95个长期样地，系综合型生态数据集。研究团队首先梳理了各生态站长期样地的地理位置、设立时间、面积及代表性等基础背景信息。依托样地设立初期的植物群落调查数据，并遵循最新中国植被分类系统，研究团队对每个样地的植物群落逐一精准划定了植被型组（vegetation formation group）、植被型（vegetation formation）与植被亚型（vegetation subformation）。基于各样地的优势物种名录，研究团队确定并命名了该样地植被的群系（alliance）与群丛（association）。本数据集的构建历经多轮专家评审-站方核验-专家复核-站方验收等流程。数据集包含以下字段：生态站编码、生态站名称、样地编码、样地名称、样地类型、样地代表性、地理位置、海拔高度、样地面积与形状、样地设立时间及设计服务年限、植被型组、植被型、植被亚型、群系、群丛、优势物种及备注信息。本数据集可为植物区系、植被资源分布及生物多样性保护相关研究提供数据支撑。