One river two countries (HU-AT)
re-establish the longitudinal connectivity

The water mills and water intake has been disrupt longitudinal connectivity of the Rába river for centuries.
Rába river hydrology
catchment area 10.270 km2 (1/3 in Austria, 2/3 in Hungary
length 283 km. (in Hungary 212 km, and 71 km in Austria)
low water flow 5 m3/sec.
high water flow 1.000 m3/sec.
ecological flow 4 m3/sec.
In the middle section of the River Rába at Nick, there has been a dam since 1932 to supply water for agricultural purposes. Now days the function changed for ecological water supply.

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