Case study:March Burn at Riding Mill: Difference between revisions
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{{Case study status | {{Case study status | ||
|Approval status= | |Approval status=Approved | ||
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{{Location | {{Location | ||
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|Contact organisation url=tyneriverstrust.org/ | |Contact organisation url=tyneriverstrust.org/ | ||
|Multi-site=No | |Multi-site=No | ||
|Project picture=Before.jpg | |||
|Picture description=mill weir on the March Burn before fish pass installation (picture courtesy of P.Atkinson from the Tyne Rivers Trust) | |||
|Project summary=The ageing mill weir at Riding Mill on the March Burn had become a serious barrier to fish migration. The difference in water levels upstream to downstream was 1000mm. Although large salmon can leap higher than this in certain circumstances, the very shallow water and the wide weir crest meant that the weir was virtually impassable. | |Project summary=The ageing mill weir at Riding Mill on the March Burn had become a serious barrier to fish migration. The difference in water levels upstream to downstream was 1000mm. Although large salmon can leap higher than this in certain circumstances, the very shallow water and the wide weir crest meant that the weir was virtually impassable. | ||
In the summer of 2012 the Tyne Rivers Trust undertook work to improve fish passage. At this site electro fishing had highlighted poor salmon numbers and lower species diversity upstream of the obstruction. Following public consultation and using funding from DEFRA, contractors set about installing a full width rock ramp fish pass. This involved retaining the existing weir crest, with the addition of a series of rock ramps. The result is a series of pools constructed with 180 tonnes of stone which reduce the single large leap into several small cascades which are much more easily negotiated by all types of fish. Around 18 miles of river | In the summer of 2012 the Tyne Rivers Trust undertook work to improve fish passage. At this site electro fishing had highlighted poor salmon numbers and lower species diversity upstream of the obstruction. Following public consultation and using funding from DEFRA, contractors set about installing a full width rock ramp fish pass. This involved retaining the existing weir crest, with the addition of a series of rock ramps. The result is a series of pools constructed with 180 tonnes of stone which reduce the single large leap into several small cascades which are much more easily negotiated by all types of fish. Around 18 miles of river above the weir have become more accessible thanks to the work. Broomhaugh and Riding Parish Council had spent more than £10,000 on repairing the weir in the last decade alone. | ||
The River Restoration Centre would like to thank Paul Atkinson from the Tyne Rivers Trust for providing the information and photographs for this case study. | The River Restoration Centre would like to thank Paul Atkinson from the Tyne Rivers Trust for providing the information and photographs for this case study. | ||
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{{Case study image | |||
|File name=Before.jpg | |||
|Caption=mill weir on the March Burn before fish pass installation (picture courtesy of P.Atkinson from the Tyne Rivers Trust) | |||
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{{Case study subcatchment | |||
|Subcatchment=March Burn Catchment (trib of Tyne) | |||
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{{Site | |||
|WFD water body code=GB103023075650 | |||
|WFD water body name=March Burn Catchment (trib of Tyne) | |||
|Heavily modified water body=No | |||
|Protected species present=No | |||
|Invasive species present=No | |||
}} | }} | ||
{{Project background | {{Project background | ||
|Project started=2012 | |||
|Project completed=2012/08/31 | |||
|Total cost category=10 - 50 k€ | |Total cost category=10 - 50 k€ | ||
|Total1 cost=41000 | |Total1 cost=41000 | ||
|Funding sources= | |Funding sources=Defra, Broomhaugh and Riding Parish Council | ||
}} | }} | ||
{{Motivations | {{Motivations | ||
|Specific mitigation=Barriers to fish migration, | |Specific mitigation=Barriers to fish migration, | ||
}} | }} | ||
{{Measures}} | {{Measures | ||
|Bank and bed modifications measure=Rock ramp construction, Creation of fish passes, | |||
}} | |||
{{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 12:14, 1 November 2018
Location: 54° 56' 47.32" N, 1° 58' 48.19" W
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Project overview
| Status | Complete |
|---|---|
| Project web site | |
| Themes | Fisheries |
| Country | England |
| Main contact forename | Paul |
| Main contact surname | Atkinson |
| Main contact user ID | User:NickRRC |
| Contact organisation | Tyne Rivers Trust |
| Contact organisation web site | http://tyneriverstrust.org/ |
| Partner organisations | |
| Parent multi-site project | |
| This is a parent project encompassing the following projects |
No |
Project summary
Edit project overview to modify the project summary.
The ageing mill weir at Riding Mill on the March Burn had become a serious barrier to fish migration. The difference in water levels upstream to downstream was 1000mm. Although large salmon can leap higher than this in certain circumstances, the very shallow water and the wide weir crest meant that the weir was virtually impassable.
In the summer of 2012 the Tyne Rivers Trust undertook work to improve fish passage. At this site electro fishing had highlighted poor salmon numbers and lower species diversity upstream of the obstruction. Following public consultation and using funding from DEFRA, contractors set about installing a full width rock ramp fish pass. This involved retaining the existing weir crest, with the addition of a series of rock ramps. The result is a series of pools constructed with 180 tonnes of stone which reduce the single large leap into several small cascades which are much more easily negotiated by all types of fish. Around 18 miles of river above the weir have become more accessible thanks to the work. Broomhaugh and Riding Parish Council had spent more than £10,000 on repairing the weir in the last decade alone. The River Restoration Centre would like to thank Paul Atkinson from the Tyne Rivers Trust for providing the information and photographs for this case study.
Monitoring surveys and results
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Lessons learnt
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