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| цветение воды (Ремедиос_П) | |||
цветение водорослей (Despite some algae blooms being toxic, this one was not thought to be dangerous to humans.  unexplained-mysteries.com ART Vancouver) | |||
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algae bloom : 7 Phrasen in 5 Thematiken |
| Biologie | 2 |
| Erdöl | 1 |
| Natürliche Ressourcen und Artenschutz | 1 |
| Ökologie | 2 |
| Wasserversorgung | 1 |