Voxel models, configuration files and R code for Lidar-based PAD calculation from an oak stand at the Intensive Forest Monitoring Station Britz, summer 2024 and spring 2025

Multi-platfrom Lidar data of Forest Station Britz Date of acquisitions: 09.07.2024 (leaf-on) and 16.04.2025 (leaf-off) Location: Experimental Station Britz, Britz, Brandenburg, Germany Coordinates: 52.878316°N, 13.835114°E Station DEIMS.iD: https://deims.org/8ee82a9b-5086-4547-b5aa-4064e3314762 Data: TLS and UAV Lidar acquisitions Data products in this repository: Voxel files at 0.25 m resolution created using AMAPvox, export in .vox format, AMAPvox configuration files for GUI in .xml format R code to pre-process Lidar point clouds, calculated PAD and export in table format Boundary shapefile to define oak plot area in UAV Lidar flights as .shp format Workbook including code and descriptions to follow the processing pipeline (.html format). AI Statement: Google Gemini and Claude Opus versions were used to support the creation of R and Python code, and formatting the workbook . Acknowledgment Dr. Tanja Sanders Dr. Marco Natkhin Institute of Forest EcosystemsJohann Heinrich von Thünen InstituteFederal Research Institute for Rural Areas, Forestry and Fisheries布里茨森林站多平台激光雷达（LiDAR）数据集 采集日期：2024年7月9日（叶片茂盛期）与2025年4月16日（叶片脱落期） 采集地点：德国勃兰登堡州布里茨实验站 坐标：北纬52.878316°，东经13.835114° 站点DEIMS标识符：https://deims.org/8ee82a9b-5086-4547-b5aa-4064e3314762 数据类型：地面激光雷达（TLS）与无人机载激光雷达（UAV LiDAR）采集数据 本仓库包含的数据产品如下： 1. 采用AMAPvox软件生成的0.25米分辨率体素文件，导出格式为.vox 2. AMAPvox图形用户界面（GUI）配置文件，格式为.xml 3. 用于激光雷达点云预处理、计算植被面积密度（PAD，Plant Area Density）并导出为表格格式的R脚本 4. 用于划定无人机激光雷达飞行中橡木林样地范围的边界形状文件，格式为.shp 5. 包含完整处理流程代码与说明的工作手册，格式为.html AI声明：本数据集的R与Python代码编写及工作手册格式整理工作，得到了Google Gemini与Claude Opus模型的辅助支持。 致谢 坦贾·桑德斯博士 马尔科·纳特欣博士 约翰·海因里希·冯·图嫩研究所（德国农村、林业与渔业联邦研究机构）森林生态系统研究所