- Art
- 16
- Verfahren
- open
- Referenznummer
- 420746-2025
- CPV
- 90700000
The assignment includes biological and water chemical monitoring and evaluation of the effect of liming in the salmon water courses. The liming should restore the water quality affected by long-range acid rain to a level…
that is not damaging for salmon and other species. A central goal is the rebuilding or re-establishing of salmon stock to a level with normal production. The general targets for the liming business are to ensure or reproduce "good ecological condition" in accordance with the water regulations for a
cidification, and to ensure good accessibility to recreational fishing (harvestable profits) in acidification-stricken areas. In all of the limed water courses, investigations shall be carried out of young fish (field investigation in autum