Come face to face with our Riverwatcher Fish Counter, one of the most advanced fish data recording systems on the market.
to quantify fish migrations
an der Wehranlage Runserau, Tirol
it might have been necessary to close the river
To determine the relationship between turbidity and VAKI Riverwatcher detection efficiency.
The data gives us interesting information...
Assessment of an infrared fish counter (Riverwatcher)