culverts as migration barries for fish
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culverts as migration barries for fish templates for inspections 22.11.2017 Markku Seppänen
Transcript of culverts as migration barries for fish
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
Results