Case study:Conservation strategies for forest and wild river in Gesaeuse: the Johnsbach Beck restoration: Difference between revisions
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{{Case study status | {{Case study status | ||
|Approval status= | |Approval status=Approved | ||
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{{Location | {{Location | ||
|Location=47. | |Location=47.576947, 14.58897300000001 | ||
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{{Project overview | {{Project overview | ||
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Part of the LIFE+ multi-site project for the restoration of the River Enns and its surrounding ecosystems was delivered in the Johnsbach Brook. The works targeted a stretch of several kilometres, were bank reinforcement structures were take-off and the mouth of the river was ecologically enhanced (i.e. gravel banks, etc.). | Part of the LIFE+ multi-site project for the restoration of the River Enns and its surrounding ecosystems was delivered in the Johnsbach Brook. The works targeted a stretch of several kilometres, were bank reinforcement structures were take-off and the mouth of the river was ecologically enhanced (i.e. gravel banks, etc.). | ||
Restoration outcomes are positive overall. In particular, fish are now able to migrate and greater habitat diversity significantly supports in-site species populations (i.e. Common sandpiper (Actitis hypoleucos)). However there is still a technical problem related with the adjustment of the river slope and the high steps imposed by old sills. There is a deficit of dynamic gravel resulting from the long-lasting excavation in the Johnsbach valle. Overtime, changing erosion processes as well as variable flooding will continually modify the site while the river network is regaining its natural functionality. | Restoration outcomes are positive overall. In particular, fish are now able to migrate and greater habitat diversity significantly supports in-site species populations (i.e. Common sandpiper (Actitis hypoleucos)). However there is still a technical problem related with the adjustment of the river slope and the high steps imposed by old sills. There is a deficit of dynamic gravel resulting from the long-lasting excavation in the Johnsbach valle. Overtime, changing erosion processes as well as variable flooding will continually modify the site while the river network is regaining its natural functionality. | ||
The River Restoration Centre would like to thank Daniel Kreiner from the Gesäuse National Park for providing the information and photographs for this case study. | |||
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{{Case study subcatchment | |||
|Subcatchment=Enns | |||
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{{Site | {{Site | ||
|WFD water body name=River Johnsbach | |||
|Heavily modified water body=No | |Heavily modified water body=No | ||
|Site designation=Austria - Nationalpark | |Site designation=Austria - Nationalpark | ||
|Local site designation=Natura 2000, National Park, | |Local site designation=Natura 2000, National Park, | ||
|Protected species present=Yes | |Protected species present=Yes | ||
|Invasive species present=Yes | |Invasive species present=Yes | ||
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|Specific mitigation=Regulation of water courses, intensive forestry practices, tourism, traffic | |Specific mitigation=Regulation of water courses, intensive forestry practices, tourism, traffic | ||
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{{Measures}} | {{Measures | ||
|Bank and bed modifications measure=Creation of gravel banks, Removal of bank reinforcements, | |||
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{{Hydromorphological quality elements header}} | {{Hydromorphological quality elements header}} | ||
{{End table}} | {{End table}} | ||
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{{Monitoring documents}} | {{Monitoring documents}} | ||
{{Monitoring documents end}} | {{Monitoring documents end}} | ||
{{Additional Documents}} | {{Additional Documents}} | ||
{{Additional Documents end}} | {{Additional Documents end}} | ||
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{{Additional links and references footer}} | {{Additional links and references footer}} | ||
{{Supplementary Information}} | {{Supplementary Information}} | ||
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Latest revision as of 15:50, 2 January 2019
Location: 47° 34' 37.01" N, 14° 35' 20.30" E
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Project overview
| Status | Complete |
|---|---|
| Project web site | http://www.nationalpark.co.at/nationalpark/de/life.php?navid=102 |
| Themes | Habitat and biodiversity, Hydromorphology, Monitoring, Social benefits |
| Country | Austria |
| Main contact forename | Daniel |
| Main contact surname | Kreiner |
| Main contact user ID | |
| Contact organisation | Gesäuse National Park |
| Contact organisation web site | http://www.nationalpark.co.at/nationalpark/de/life.php |
| Partner organisations | |
| This is a parent project encompassing the following projects |
Project summary
Edit project overview to modify the project summary.
The River Johnsbach, a tributary to the River Enns, was heavily regulated and deprived of biological and hydromorphological diversity. Of particular concern was the inability of fishes to overcome the high concrete structures and the spawning habitat shortage all along the river corridor.
Part of the LIFE+ multi-site project for the restoration of the River Enns and its surrounding ecosystems was delivered in the Johnsbach Brook. The works targeted a stretch of several kilometres, were bank reinforcement structures were take-off and the mouth of the river was ecologically enhanced (i.e. gravel banks, etc.).
Restoration outcomes are positive overall. In particular, fish are now able to migrate and greater habitat diversity significantly supports in-site species populations (i.e. Common sandpiper (Actitis hypoleucos)). However there is still a technical problem related with the adjustment of the river slope and the high steps imposed by old sills. There is a deficit of dynamic gravel resulting from the long-lasting excavation in the Johnsbach valle. Overtime, changing erosion processes as well as variable flooding will continually modify the site while the river network is regaining its natural functionality.
The River Restoration Centre would like to thank Daniel Kreiner from the Gesäuse National Park for providing the information and photographs for this case study.
Monitoring surveys and results
This case study hasn’t got any Monitoring survey and results, you can add some by editing the project overview.
Lessons learnt
This case study hasn’t got any lessons learnt, you can add some by editing the project overview.
Image gallery
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Catchment and subcatchmentSelect a catchment/subcatchment
Catchment
Subcatchment
Other case studies in this subcatchment: Conservation strategies for forest and wild river in Gesaeuse: the River Enns restoration, LIFE IP IRIS Enns Mandling Restoration
Site
Project background
Cost for project phases
Supplementary funding informationTotal budget 2,363,206.00 € EU contribution 1,181,603.00 €
Reasons for river restoration
Measures
MonitoringHydromorphological quality elements
Biological quality elements
Physico-chemical quality elements
Any other monitoring, e.g. social, economic
Monitoring documents
Additional documents and videos
Additional links and references
Supplementary InformationEdit Supplementary Information
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