Case study:Merikoski fishway: Difference between revisions
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|Project summary=Construction of the Merikoski fishway was the first step restoring the Oulujoki river for the migrating fish. Merkoski water power plant was the lowest obstacle for fish migration before the fishway was constructed in 2003 enabling migrating fish to rise up to the lower reaches of the river. | |Project summary=Construction of the Merikoski fishway was the first step restoring the Oulujoki river for the migrating fish. Merkoski water power plant was the lowest obstacle for fish migration before the fishway was constructed in 2003 enabling migrating fish to rise up to the lower reaches of the river. | ||
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{{Case study subcatchment}} | {{Case study subcatchment | ||
|Subcatchment=Oulujoki River Basin | |||
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{{Site}} | {{Site}} | ||
{{Project background}} | {{Project background}} | ||
Revision as of 14:08, 11 October 2012
This case study is pending approval by a RiverWiki administrator.
Location: 65° 1' 18.97" N, 25° 29' 15.05" E
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Project overview
| Status | Complete |
|---|---|
| Project web site | |
| Themes | Fisheries, Habitat and biodiversity, Hydropower |
| Country | Finland |
| Main contact forename | - |
| Main contact surname | - |
| Main contact user ID | |
| Contact organisation | |
| Contact organisation web site | |
| Partner organisations | |
| Parent multi-site project | |
| This is a parent project encompassing the following projects |
No |
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Project summary
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Construction of the Merikoski fishway was the first step restoring the Oulujoki river for the migrating fish. Merkoski water power plant was the lowest obstacle for fish migration before the fishway was constructed in 2003 enabling migrating fish to rise up to the lower reaches of the river.
Monitoring surveys and results
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Lessons learnt
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Catchment and subcatchment
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Catchment
| River basin district | - |
|---|---|
| River basin | Oulujoki River basin |
Subcatchment
| River name | Oulujoki River |
|---|---|
| Area category | more than 10000 km² |
| Area (km2) | 2284122,841 km² <br />2,284,100 ha <br /> |
| Maximum altitude category | |
| Maximum altitude (m) | |
| Dominant geology | |
| Ecoregion | Fenno-Scandian Shield |
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| Waterbody ID |
Site
| Name | |
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| Pre-project morphology | |
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| Desired post project morphology | |
| Heavily modified water body | |
| National/international site designation | |
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| Protected species present | |
| Invasive species present | |
| Species of interest | |
| Dominant hydrology | |
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| Average unit stream power (W/m2) |
Project background
| Reach length directly affected (m) | |
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| Project started | |
| Works started | |
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| Project completed | |
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| Total cost (k€) | |
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| Funding sources |
Cost for project phases
| Phase | cost category | cost exact (k€) | Lead organisation | Contact forename | Contact surname |
|---|---|---|---|---|---|
| Investigation and design | |||||
| Stakeholder engagement and communication | |||||
| Works and works supervision | |||||
| Post-project management and maintenance | |||||
| Monitoring |
Reasons for river restoration
| Mitigation of a pressure | |
|---|---|
| Hydromorphology | |
| Biology | |
| Physico-chemical | |
| Other reasons for the project |
Measures
Structural measures
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| Bank/bed modifications | |
| Floodplain / River corridor | |
| Planform / Channel pattern | |
| Other | |
Non-structural measures
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| Management interventions | |
| Social measures (incl. engagement) | |
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Monitoring
Hydromorphological quality elements
| Element | When monitored | Type of monitoring | Control site used | Result | ||
|---|---|---|---|---|---|---|
| Before measures | After measures | Qualitative | Quantitative | |||
Biological quality elements
| Element | When monitored | Type of monitoring | Control site used | Result | ||
|---|---|---|---|---|---|---|
| Before measures | After measures | Qualitative | Quantitative | |||
Physico-chemical quality elements
| Element | When monitored | Type of monitoring | Control site used | Result | ||
|---|---|---|---|---|---|---|
| Before measures | After measures | Qualitative | Quantitative | |||
Any other monitoring, e.g. social, economic
| Element | When monitored | Type of monitoring | Control site used | Result | ||
|---|---|---|---|---|---|---|
| Before measures | After measures | Qualitative | Quantitative | |||
Monitoring documents
Image gallery
Additional documents and videos
Additional links and references
| Link | Description |
|---|
Supplementary Information
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