Hyytiälä SMEAR II forest year 2020 thinning tree and carbon inventory data

This dataset contains description of thinning, and forest and carbon stock inventory results of the forest stand surrounding SMEAR II research station located in Hyytiälä, Finland. The dataset consists of following files: 1. Description of thinning and inventory methods (Hyytiala site description.pdf) 2. Forest characteristics before and after the thinning, by measurement plot (Forest characteristics.xlsx) 3. Carbon stocks before and after the thinning, as well as carbon stocks in commercial removal, by measurement plot (Carbon stocks.xlsx) 4. Equations used for procuding estimates presented in products 2&3 (Equations.xlsx) 5. Readme-file explaining details regarding variants in products 2&3 (Readme.xlsx) 6. Plot map showing the locations of measurement plots (Plot map.xlsx) 7. Tree size distribution before and after the thinning (Tree size distribution.xlsx) 8. Cleaned tree-wise inventory data (Plot measurement data 2020.xlsx) from 2019 understorey measurement results 2020 measurement results Plot 1-24 detailed inventory measurement results本数据集涵盖芬兰海泰蒂亚拉（Hyytiälä）境内SMEAR II研究站周边林分的疏伐作业、森林与碳储量清查成果的相关说明。本数据集包含以下文件：1. 疏伐与清查方法说明（Hyytiala site description.pdf）；2. 按样地划分的疏伐前后森林特征参数（Forest characteristics.xlsx）；3. 按样地划分的疏伐前后碳储量，以及商业采伐对应的碳储量（Carbon stocks.xlsx）；4. 用于生成第2、3项成果中估算值的计算公式（Equations.xlsx）；5. 说明第2、3项成果中数据变体相关细节的自述文件（Readme.xlsx）；6. 标注测量样地位置的样地图（Plot map.xlsx）；7. 疏伐前后的树木尺寸分布情况（Tree size distribution.xlsx）；8. 经清洗的逐树清查数据（Plot measurement data 2020.xlsx），该数据涵盖2019年林下测量结果、2020年测量结果以及1-24号样地的详细清查测量成果。