Since 1990, 6,222 adult salmon returning from the North Sea to their spawning waters in the Rhine tributaries have been counted.
The 992 sea trout registered are comparable to the numbers registered in the past years.
Since 1990, 6,222 adult salmon returning from the North Sea to their spawning waters in the Rhine tributaries have been counted.
The 992 sea trout registered are comparable to the numbers registered in the past years.