PlantTraitNet: An Uncertainty-Aware Multimodal Framework for Global-Scale Plant Trait Inference from Citizen Science Data
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arXiv
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| Autori principali: | , , , , , , , , , , , , , , , , |
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| Natura: | Preprint |
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2025
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| author | Sharma, Ayushi Trost, Johanna Lusk, Daniel Dollinger, Johannes Schrader, Julian Rossi, Christian Lopatin, Javier Laliberté, Etienne Haberstroh, Simon Eichel, Jana Mederer, Daniel Cerda-Paredes, Jose Miguel Phartyal, Shyam S. Schwarz, Lisa-Maricia Linstädter, Anja Caldeira, Maria Conceição Kattenborn, Teja |
| author_facet | Sharma, Ayushi Trost, Johanna Lusk, Daniel Dollinger, Johannes Schrader, Julian Rossi, Christian Lopatin, Javier Laliberté, Etienne Haberstroh, Simon Eichel, Jana Mederer, Daniel Cerda-Paredes, Jose Miguel Phartyal, Shyam S. Schwarz, Lisa-Maricia Linstädter, Anja Caldeira, Maria Conceição Kattenborn, Teja |
| contents | Global plant maps of plant traits, such as leaf nitrogen or plant height, are essential for understanding ecosystem processes, including the carbon and energy cycles of the Earth system. However, existing trait maps remain limited by the high cost and sparse geographic coverage of field-based measurements. Citizen science initiatives offer a largely untapped resource to overcome these limitations, with over 50 million geotagged plant photographs worldwide capturing valuable visual information on plant morphology and physiology. In this study, we introduce PlantTraitNet, a multi-modal, multi-task uncertainty-aware deep learning framework that predictsfour key plant traits (plant height, leaf area, specific leaf area, and nitrogen content) from citizen science photos using weak supervision. By aggregating individual trait predictions across space, we generate global maps of trait distributions. We validate these maps against independent vegetation survey data (sPlotOpen) and benchmark them against leading global trait products. Our results show that PlantTraitNet consistently outperforms existing trait maps across all evaluated traits, demonstrating that citizen science imagery, when integrated with computer vision and geospatial AI, enables not only scalable but also more accurate global trait mapping. This approach offers a powerful new pathway for ecological research and Earth system modeling. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_06943 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | PlantTraitNet: An Uncertainty-Aware Multimodal Framework for Global-Scale Plant Trait Inference from Citizen Science Data Sharma, Ayushi Trost, Johanna Lusk, Daniel Dollinger, Johannes Schrader, Julian Rossi, Christian Lopatin, Javier Laliberté, Etienne Haberstroh, Simon Eichel, Jana Mederer, Daniel Cerda-Paredes, Jose Miguel Phartyal, Shyam S. Schwarz, Lisa-Maricia Linstädter, Anja Caldeira, Maria Conceição Kattenborn, Teja Computer Vision and Pattern Recognition Artificial Intelligence Global plant maps of plant traits, such as leaf nitrogen or plant height, are essential for understanding ecosystem processes, including the carbon and energy cycles of the Earth system. However, existing trait maps remain limited by the high cost and sparse geographic coverage of field-based measurements. Citizen science initiatives offer a largely untapped resource to overcome these limitations, with over 50 million geotagged plant photographs worldwide capturing valuable visual information on plant morphology and physiology. In this study, we introduce PlantTraitNet, a multi-modal, multi-task uncertainty-aware deep learning framework that predictsfour key plant traits (plant height, leaf area, specific leaf area, and nitrogen content) from citizen science photos using weak supervision. By aggregating individual trait predictions across space, we generate global maps of trait distributions. We validate these maps against independent vegetation survey data (sPlotOpen) and benchmark them against leading global trait products. Our results show that PlantTraitNet consistently outperforms existing trait maps across all evaluated traits, demonstrating that citizen science imagery, when integrated with computer vision and geospatial AI, enables not only scalable but also more accurate global trait mapping. This approach offers a powerful new pathway for ecological research and Earth system modeling. |
| title | PlantTraitNet: An Uncertainty-Aware Multimodal Framework for Global-Scale Plant Trait Inference from Citizen Science Data |
| topic | Computer Vision and Pattern Recognition Artificial Intelligence |
| url | https://arxiv.org/abs/2511.06943 |