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About this app

Community application for collecting and visualizing Sargassum observations

This application allows any marine user (boater, fisherman, etc.) to report a Sargassum raft sighting and specify its type (based on the nomenclature of Ody et al., 2019). The raft type and geographic coordinates, derived from the smartphone's position, are automatically stored on a server, which then allows the observations to be visualized.

This application will enable a citizen science study and share knowledge between researchers on the subject and marine observers.

The "Research" section provides practical tools for scientists to measure rafts at sea.
Updated on
Jul 12, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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Data is encrypted in transit
You can request that data be deleted

What’s new

- Nouvelle interface
- Ajout d'une base documentaire
- Ajout d'outils pour aider les scientifiques dans leurs mesures de radeaux
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Everyone
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About the developer
Cristele CHEVALIER
cristele.chevalier@gmail.com
France