culverts as migration barries for fish
Post on 22-Feb-2022
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culverts as migration barries for fishtemplates for inspections22.11.2017 Markku Seppänen
Urho Kekkonen National Park- LIFE-program• Survey on the culverts: amount and
location
• • Assessment of the hindrance
• assessment of the natural state of the river both under and above the culverts
Headwatersof River Lutto
Research area
Classification• Channel restoration
• Flow rate reduction inside culvert
• Immersion of culvert
• Culvert renawal
69 crossing
47 renewal
5 flow rate, restoration
17 ok
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