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The Yzer is a lowland river, which rises in Northern France and discharges into the North Sea in western Flanders (Belgium) with a catchment area of 1101 km². In the downstream part, the river has been canalised and embanked for navigation. Along the middle section of the river the original, wide floodplain was preserved and still floods several times every winter. This floodplain area has a high...
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