Decay class specific wood densities for harmonized decay classifications in the Nordic NFIs

Data and metadata used in: Aakala, T. & Heikkinen, J. 2023. Harmonized decay classification for dead wood in Nordic national forest inventories.
Contains wood density values for standing and fallen dead trees of the common European boreal tree species. Each tree sampled for wood density is also classified according to different decay classification systems used in the Finnish, Norwegian, and Swedish systems.