arXiv · 2610.37803
3Dtrees.earth: community research infrastructure for tree and forest analysis using close-range LiDAR data
Abstract
From individual trees to forest stands, three-dimensional structure shapes carbon, water, and energy flows, habitat conditions, and resource availability. Yet tree and forest structural attributes remain difficult to assess consistently across space and time. Close-range LiDAR (light detection and ranging) records detailed 3D structure from branches and trees to forest plots, including trees outside forests. However, broader reuse is constrained when data, acquisition context, processing, computation, and access conditions are maintained separately. We present 3Dtrees.earth, an operational community research infrastructure that brings close-range LiDAR datasets, analysis tools, and computing resources together while linking original observations to their metadata and processing outputs. As of 23 October 2026, the platform comprised 2,760 datasets, including 2,481 publicly visible datasets. These point cloud datasets span 46 countries on all six inhabited continents and include terrestrial, mobile, and uncrewed aerial laser scanning. Users can contribute and discover datasets, run standardized processing workflows on shared computing infrastructure, inspect point clouds and model predictions in the browser, and access data and processing outputs together with citation information. Workflows combine rule-based and machine-learning methods, with tools updated as methods advance. Outputs include raster products, individual-tree and semantic segmentation, and tree- and stand-level metrics. Original point clouds and processing records are retained, enabling reprocessing with improved tools while preserving provenance. With broader coverage, curation, and validation, this shared resource could extend individual surveys into a basis for model evaluation and benchmarking, cross-site synthesis, calibration and validation of larger-scale Earth observation products, and macroecological analysis.
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Janusch Vajna-Jehle, Kilian Gerberding, Daniel Lusk, Teja Kattenborn, Julia Sophie Gäßler, Anna Göritz, Luis Kremer, Charlotte Lange, Aaron Sheppard, Salim Soltani, Jesús Aguirre Gutiérrez, Muhammad Ali, Thaís Chaves Almeida, Dominik Ambs, Katharina Anders, Alexandre Antonelli, Tito Arevalo-Ramirez, Rasmus Astrup, Andrés Avella, Yuchen Bai, Harm Bartholomeus, Owain Barton, Rolf Becker, Kevin Beiler, Mirela Beloiu, Matthias Bode, Michał Brach, John Brandt, Joshua Braun-Wimmer, Benjamin Brede, Seppe Bresseleers, Dominik Brétt, Luke A. Brown, Julius Steffen Brune, Ramazan Bülbül, Josafat-Mattias Burmeister, James Burridge, Carlos Cabo, Kim Calders, Isaias Caluvino, Mariana Campos, Anna Candotti, Ergin Cagatay Cankaya, Juan Pedro Carbonell-Rivera, Arnaud Carrara, Guilherme Castro, Jeannine Cavender-Bares, Wout Cherlet, Zane Cooper, Isamar Cortes, Pablo Crespo-Peremarch, Darius Culvenor, Domingos Fortunato P. F. da Silva, Ana Paula Dalla Corte, Karun Dayal, Cédric de Crousaz, Geike De Sloover, Carlos Roberto de Souza Filho, Jose Delpiano, Jan Dempewolf, Marius Derenthal, Kyle G. Dexter, Barbara D'hont, Ricardo Díaz-Delgado, Mathias Disney, Svenja Dobelmann, Marcel Dogotari, David Michael Drew, Simon Ecke, Markus P Eichhorn, Nico Eisenhauer, Paul Michael Eisenschink, Jan Eitel, Tarek S. El-Madany, Anette Eltner, Léa Enguehard, Anika Erxleben-Eggenhofer, Arvin Fakhri, Luca Zsofia Farkas, Fabian Fassnacht, Hannes Feilhauer, Tomma Feltgen, Jasper Feyen, Rico Fischer, Donna Fitzgerald, Michael Förster, Oluwaseun Friday Gakenou, Sebastian Ignacio Galaz Trincado, Matthias Gassilloud, Joschka Geissler, Bert Gielen, John L. Godlee, Roy González-M., Daniel Goss, Dirk Gremser, Amy Gresham, Stuart W. D. Grieve, André Große-Stoltenberg, Björn Grüning, Marcus Guderle. 2026-10-27. 3Dtrees.earth: community research infrastructure for tree and forest analysis using close-range LiDAR data. https://arxiv.org/abs/2610.37803
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