Fig. 1


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Freshwaters in SEE with watershed of the Danube River basin marked with red line, produced in QGIS v. 3.16.10. Protected SEE areas (without Romania) with high category (National parks, World heritage, Biosphere reserves, Ramsar sites), highlighted in green, were taken from the Eco-masterplan for Balkan Rivers (Riverwatch and EuroNatur 2018) provided by Fluvius Vienna (

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