Highlights
- Water quality data analyzed for 14 Mediterranean basins between 1990 and 2024
- Strong north-south variability linked to climate gradient and land use/cover
- Basins within farmland had higher NO3 and P2O5, and low DO and transparency in water.
- Clear shift after 2005, with nutrients increasing mostly due to drought and farming
Interactive tool (SURFACE WATER)
All data are sourced from the publicly available SNIRH database: https://snirh.apambiente.pt/
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