河湖源植被调查数据集（2023）

河湖源区作为重要的生态屏障，承载着丰富的草地资源，由于土地利用变化，其生态效应亟需评估。通过调查草地植被特征，为合理利用草地资源提供理论依据，并为综合评估典型土地利用变化的环境效应提供数据支持。于2023年8月在西藏自治区的河湖源区开展规范的野外调查, 共调查样点20个，60个样方。数据集包括样点编号、样方号、经纬度、海拔、样方的地上生物量、物种数和盖度，数据格式为Excel表。调查样方面积为100cm*100cm，每个样点（site）有3个样方，命名为Plot1、Plot2、Plot3。数据全为实地采集和测量数据，野外调查按照植被调查规范确保数据质量完好。该数据集对于草地资源管理具有重要意义。

As an important ecological barrier, the source region of rivers and lakes hosts abundant grassland resources. Given the ongoing land use changes, there is an urgent need to evaluate its ecological effects. Investigating grassland vegetation characteristics provides a theoretical basis for the rational utilization of grassland resources, and also offers data support for comprehensively assessing the environmental impacts of typical land use changes. A standardized field survey was conducted in the source region of rivers and lakes, Tibet Autonomous Region in August 2023, with a total of 20 sampling sites and 60 quadrats investigated. The dataset includes sampling site ID, quadrat number, longitude and latitude, altitude, aboveground biomass of the quadrat, number of plant species, and vegetation coverage, and the data is stored in Excel format. Each quadrat has an area of 100 cm × 100 cm, and each sampling site contains 3 quadrats named Plot1, Plot2 and Plot3 respectively. All data were collected and measured on-site, and the field survey followed vegetation survey standards to ensure data quality. This dataset is of great significance for grassland resource management.