Figure 5 from: Brosens D, Breine J, Van Thuyne G, Belpaire C, Desmet P, Verreycken H (2015) VIS – A database on the distribution of fishes in inland and estuarine waters in Flanders, Belgium. ZooKeys 475: 119-145. https://doi.org/10.3897/zookeys.475.8556

Figure 5 - Drainages of the Rivers Yser (yellow in west), Scheldt (blue), and Meuse (green in east) are divided in 11 Flemish subbasins. The "Brugse polders" area drains directly to the sea. Image created in QGIS, basemap by Apple iPhoto map.