https://restorerivers.eu/wiki/api.php?action=feedcontributions&feedformat=atom&user=Amy.butcher 2026-04-07T12:06:48Z User contributions MediaWiki 1.39.7 https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_9_Attlebridge&diff=48611 2023-03-01T08:46:29Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.711196153705906, 1.145269030777003<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=gov.uk/environment-agency<br /> |Name of parent multi-site project=River Wensum Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=This scheme is part of implementation of the River Wensum Restoration Strategy (RWRS). The River Wensum in Norfolk is nationally and internationally important for wildlife. The Attlebridge scheme (Unit 53, Reach 9 and part of Reach 8 from the feasibility studies) covers 1.3km of channel, from Marriott’s Way downstream to the A1067 Fakenham Road Bridge. The key existing conditions which influenced the restoration measures included bank erosion, lack of bankside tree cover, lack of in-channel woody material and limited off-channel refuge areas. The scheme includes the installation of woody material features to help stimulate variation in the flow regime and help restore the natural form and function of the channel. On areas of riverbank showing signs of erosion and cattle poaching we have re-profiled the riverbank to provide a gentler more natural bank angle encouraging wetland marginal vegetation to establish. ‘Reject’ and smaller gravel material has been used to reduce the impact of cattle poaching on sediment mobilisation. Backwater refuge areas have been created by re-connecting an existing field drain. Shallow fry refuge habitat was also achieved by re-excavating an existing shallow open area at the confluence of the drain and river such that it was able to be inundated by water from the river again. Additional fry refuge habitat was also created adjacent to an existing ford crossing. Aside from the very downstream end of the reach, the river corridor was largely devoid of trees. We have planted 130 native wetland species along the reach which will, in the long-term, improve bank stability, create a diversity of light and shade conditions and provide a potential source of woody material to the river, improving physical habitat and providing cover for fish.<br /> |Lessons learn=Felled poplar trees provided locally won woody material but required substantial fixings to prevent their movement due to the porous and buoyant nature of the wood. <br /> <br /> Cattle were observed to avoid the reject gravel ford crossing and walk across the existing softer bed material, causing erosion and mobilising silt. Formal cattle crossing designs and drinking points need fencing to prevent livestock from choosing their own routes.<br /> |Project title=River Wensum Restoration, Reach 9 Attlebridge<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=Riffle.JPG<br /> }}<br /> {{Case study image<br /> |File name=AttlebridgeWoodyMaterial.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment<br /> |Subcatchment=Wensum US Norwich<br /> }}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_9_Attlebridge&diff=48610 2023-03-01T08:45:14Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.711196153705906, 1.145269030777003<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=gov.uk/environment-agency<br /> |Name of parent multi-site project=River Wensum Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=This scheme is part of implementation of the River Wensum Restoration Strategy (RWRS). The River Wensum in Norfolk is nationally and internationally important for wildlife. The Attlebridge scheme (Unit 53, Reach 9 and part of Reach 8 from the feasibility studies) covers 1.3km of channel, from Marriott’s Way downstream to the A1067 Fakenham Road Bridge. The key existing conditions which influenced the restoration measures included bank erosion, lack of bankside tree cover, lack of in-channel woody material and limited off-channel refuge areas. The scheme includes the installation of woody material features to help stimulate variation in the flow regime and help restore the natural form and function of the channel. On areas of riverbank showing signs of erosion and cattle poaching we have re-profiled the riverbank to provide a gentler more natural bank angle encouraging wetland marginal vegetation to establish. ‘Reject’ and smaller gravel material has been used to reduce the impact of cattle poaching on sediment mobilisation. Backwater refuge areas have been created by re-connecting an existing field drain. Shallow fry refuge habitat was also achieved by re-excavating an existing shallow open area at the confluence of the drain and river such that it was able to be inundated by water from the river again. Additional fry refuge habitat was also created adjacent to an existing ford crossing. Aside from the very downstream end of the reach, the river corridor was largely devoid of trees. We have planted 130 native wetland species along the reach which will, in the long-term, improve bank stability, create a diversity of light and shade conditions and provide a potential source of woody material to the river, improving physical habitat and providing cover for fish.<br /> |Lessons learn=Felled poplar trees provided locally won woody material but required substantial fixings to prevent their movement due to the porous and buoyant nature of the wood. <br /> <br /> Cattle were observed to avoid the reject gravel ford crossing and walk across the existing softer bed material, causing erosion and mobilising silt. Formal cattle crossing designs and drinking points need fencing to prevent livestock from choosing their own routes.<br /> |Project title=River Wensum Restoration, Reach 9 Attlebridge<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=Riffle.JPG<br /> }}<br /> {{Case study image<br /> |File name=AttlebridgeWoodyMaterial.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment}}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=File:AttlebridgeWoodyMaterial.JPG&diff=48609 2023-03-01T08:45:06Z

<p>Amy.butcher: Porous poplar required substantial fixings to prevent movement. Addition of reject gravel will help increase hydromorphological diversity in uniform section of channel.</p> <hr /> <div>Porous poplar required substantial fixings to prevent movement. Addition of reject gravel will help increase hydromorphological diversity in uniform section of channel.</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_9_Attlebridge&diff=48608 2023-03-01T08:39:33Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.711196153705906, 1.145269030777003<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=gov.uk/environment-agency<br /> |Name of parent multi-site project=River Wensum Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=This scheme is part of implementation of the River Wensum Restoration Strategy (RWRS). The River Wensum in Norfolk is nationally and internationally important for wildlife. The Attlebridge scheme (Unit 53, Reach 9 and part of Reach 8 from the feasibility studies) covers 1.3km of channel, from Marriott’s Way downstream to the A1067 Fakenham Road Bridge. The key existing conditions which influenced the restoration measures included bank erosion, lack of bankside tree cover, lack of in-channel woody material and limited off-channel refuge areas. The scheme includes the installation of woody material features to help stimulate variation in the flow regime and help restore the natural form and function of the channel. On areas of riverbank showing signs of erosion and cattle poaching we have re-profiled the riverbank to provide a gentler more natural bank angle encouraging wetland marginal vegetation to establish. ‘Reject’ and smaller gravel material has been used to reduce the impact of cattle poaching on sediment mobilisation. Backwater refuge areas have been created by re-connecting an existing field drain. Shallow fry refuge habitat was also achieved by re-excavating an existing shallow open area at the confluence of the drain and river such that it was able to be inundated by water from the river again. Additional fry refuge habitat was also created adjacent to an existing ford crossing. Aside from the very downstream end of the reach, the river corridor was largely devoid of trees. We have planted 130 native wetland species along the reach which will, in the long-term, improve bank stability, create a diversity of light and shade conditions and provide a potential source of woody material to the river, improving physical habitat and providing cover for fish.<br /> |Lessons learn=Felled poplar trees provided locally won woody material but required substantial fixings to prevent their movement due to the porous and buoyant nature of the wood. <br /> <br /> Cattle were observed to avoid the reject gravel ford crossing and walk across the existing softer bed material, causing erosion and mobilising silt. Formal cattle crossing designs and drinking points need fencing to prevent livestock from choosing their own routes.<br /> |Project title=River Wensum Restoration, Reach 9 Attlebridge<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=Riffle.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment}}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_9_Attlebridge&diff=48607 2023-03-01T08:32:10Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.711196153705906, 1.145269030777003<br /> }}<br /> {{Project overview<br /> |Project title=River Wensum Restoration, Reach 9 Attlebridge<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=gov.uk/environment-agency<br /> |Multi-site=No<br /> |Name of parent multi-site project=River Wensum Restoration Strategy<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=Riffle.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment}}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=File:Riffle.JPG&diff=48606 2023-03-01T08:31:54Z

<p>Amy.butcher: Riffle created used reject flint gravel. Fry bay area created upstream of riffle on far bank.</p> <hr /> <div>Riffle created used reject flint gravel. Fry bay area created upstream of riffle on far bank.</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_10_Lenwade&diff=48605 2023-02-22T08:55:59Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.72499103339484, 1.1195729929762832<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Partner organisations=Natural England<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=Reach 10 of the River Wensum Restoration Strategy involved restoring 1.3km of SSSI &amp; SAC designated river at Lenwade, west of Norwich, Norfolk. Improvements to morphological diversity were achieved here through the installation of woody material features, bank stabilisation, hinging willow trees and re-engineering the existing gravel bed to create riffles and pools. Selective tree felling also took place to allow light into a heavily shaded area of the channel.<br /> |Monitoring surveys and results=Analysis of monitoring results pending.<br /> |Lessons learn=Access was very limited due to the presences of fishing lakes adjacent to the river. Most works had to be completed by hand. Some work was carried out by amphibious excavator where the benefits outweighed the potential damage to the gravel bed from the excavator tracks. <br /> Additional tree works were required due to periods of high winds and the need to make the area safe for construction work to be carried out.<br /> Re-profiled river banks with bare soil were exposed during high flows and could have lead to erosion and sediment input. Seeding and the installation of a biodegradable jute matting was carried out to minimise erosion. (This had not been anticipated in the design. Ideally work would be carried out early enough to allow bank vegetation to re-establish from the existing seed bank.)<br /> |Project title=River Wensum Restoration, Reach 10 Lenwade<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=LenwadeRiverBedWorks.JPG<br /> }}<br /> {{Case study image<br /> |File name=LenwadeBankWorks.JPG<br /> }}<br /> {{Case study image<br /> |File name=LenwadeDeflector.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment<br /> |Subcatchment=Wensum US Norwich<br /> }}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations<br /> |Hydromorphological quality elements=Channel pattern/planform, Width &amp; depth variation, Flow velocities,<br /> }}<br /> {{Measures<br /> |Bank and bed modifications measure=Bank reprofiling, Bank stabilisation, Bed reprofiling,<br /> |Floodplain / River corridor=Tree management,<br /> |Planform / Channel pattern=Brushwood berms to increase scour on the gravels, Introducing large woody debris,<br /> }}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Case study documents<br /> |File name=RWRS Fact Sheet 9 -Lenwade.pdf<br /> }}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_9_Attlebridge&diff=48604 2023-02-22T08:48:11Z

<p>Amy.butcher: Created page with &quot;{{Case study status |Approval status=Draft }} {{Location |Location=52.711196153705906, 1.145269030777003 }} {{Project overview |Project title=River Wensum Restoration, Reach 9...&quot;</p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.711196153705906, 1.145269030777003<br /> }}<br /> {{Project overview<br /> |Project title=River Wensum Restoration, Reach 9 Attlebridge<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=gov.uk/environment-agency<br /> |Multi-site=No<br /> |Name of parent multi-site project=River Wensum Restoration Strategy<br /> }}<br /> {{Image gallery}}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment}}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_3a_Costessey&diff=47323 2020-10-14T14:51:48Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.666313212733186, 1.2024262792237206<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=Reach 3a of the River Wensum Restoration Strategy involved restoring 1.2km of SSSI &amp; SAC designated river at Costessey, west of Norwich, Norfolk. Improvements to morphological diversity were achieved here through the installation of gravel glides, pools and berms and woody material. Informal cattle drinks were enhanced to reduce poaching and sediment input whilst still providing water to the landowner's livestock. These cattle drinks also acted as fry bays whilst fields were not being grazed. Tree planting was also carried out in exposed stretches of the river.<br /> |Monitoring surveys and results=Analysis of monitoring results pending.<br /> Post-restoration water vole surveys suggest that fenced tree enclosures which were no longer grazed provided additional habitat for water voles. Field signs (latrines and food stores) were observed in areas where they hadn't previously been seen.<br /> |Lessons learn=Natural un-milled and untreated timber for use as woody material was difficult to source at this location. Sourcing material for future schemes needs to be a consideration in the design.<br /> After an exceptionally dry summer the river level had dropped such that the fenced cattle drinks no longer allowed livestock to reach the water to drink (see photos). The scheme also included un-fenced drinks which the livestock could use. Consideration for livestock watering provisions in the event of low water levels must be included in future designs.<br /> |Project title=River Wensum Restoration, Reach 3a Costessey<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=CostesseyBerms.JPG<br /> }}<br /> {{Case study image<br /> |File name=CostesseyBerms2.JPG<br /> }}<br /> {{Case study image<br /> |File name=FencedCattleDrink.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment<br /> |Subcatchment=Wensum US Norwich<br /> }}<br /> {{Site}}<br /> {{Project background<br /> |Reach length directly affected=1200<br /> |Investigation and design cost category=10 - 50 k€<br /> |Investigation and design Lead organisation=Environment Agency<br /> |Stakeholder1 engagement cost category=1 - 10 k€<br /> |Stakeholder engagement Lead organisation=Environment Agency<br /> |Works1 and supervision cost category=100 - 500 k€<br /> |Works and supervision Lead organisation=Environment Agency<br /> |Post-project1 management and maintenance cost category=1 - 10 k€<br /> |Post-project management and maintenance Lead organisation=Environment Agency<br /> |Monitoring1 cost category=1 - 10 k€<br /> |Monitoring Lead organisation=Environment Agency<br /> }}<br /> {{Motivations<br /> |Hydromorphological quality elements=Channel pattern/planform, Width &amp; depth variation, Flow velocities,<br /> }}<br /> {{Measures<br /> |Bank and bed modifications measure=Creation of gravel deflectors, Gravel berms, Re-introducing gravel,<br /> |Floodplain / River corridor=Tree planting,<br /> |Planform / Channel pattern=Introducing large woody debris,<br /> |Other technical measure=Cattle drinks, fry bays<br /> }}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Case study documents<br /> |File name=RWRS Fact Sheet 8 - Costessey.pdf<br /> }}<br /> {{Case study documents<br /> |File name=FryBay.MOV<br /> }}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_10_Lenwade&diff=47322 2020-10-14T14:49:26Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.72499103339484, 1.1195729929762832<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=Reach 10 of the River Wensum Restoration Strategy involved restoring 1.3km of SSSI &amp; SAC designated river at Lenwade, west of Norwich, Norfolk. Improvements to morphological diversity were achieved here through the installation of woody material features, bank stabilisation, hinging willow trees and re-engineering the existing gravel bed to create riffles and pools. Selective tree felling also took place to allow light into a heavily shaded area of the channel.<br /> |Monitoring surveys and results=Analysis of monitoring results pending.<br /> |Lessons learn=Access was very limited due to the presences of fishing lakes adjacent to the river. Most works had to be completed by hand. Some work was carried out by amphibious excavator where the benefits outweighed the potential damage to the gravel bed from the excavator tracks. <br /> Additional tree works were required due to periods of high winds and the need to make the area safe for construction work to be carried out.<br /> Re-profiled river banks with bare soil were exposed during high flows and could have lead to erosion and sediment input. Seeding and the installation of a biodegradable jute matting was carried out to minimise erosion. (This had not been anticipated in the design. Ideally work would be carried out early enough to allow bank vegetation to re-establish from the existing seed bank.)<br /> |Project title=River Wensum Restoration, Reach 10 Lenwade<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=LenwadeRiverBedWorks.JPG<br /> }}<br /> {{Case study image<br /> |File name=LenwadeBankWorks.JPG<br /> }}<br /> {{Case study image<br /> |File name=LenwadeDeflector.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment<br /> |Subcatchment=Wensum US Norwich<br /> }}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations<br /> |Hydromorphological quality elements=Channel pattern/planform, Width &amp; depth variation, Flow velocities,<br /> }}<br /> {{Measures<br /> |Bank and bed modifications measure=Bank reprofiling, Bank stabilisation, Bed reprofiling,<br /> |Floodplain / River corridor=Tree management,<br /> |Planform / Channel pattern=Brushwood berms to increase scour on the gravels, Introducing large woody debris,<br /> }}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Case study documents<br /> |File name=RWRS Fact Sheet 9 -Lenwade.pdf<br /> }}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_10_Lenwade&diff=47321 2020-10-14T14:47:46Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.72499103339484, 1.1195729929762832<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=Reach 10 of the River Wensum Restoration Strategy involved restoring 1.3km of SSSI &amp; SAC designated river at Lenwade, west of Norwich, Norfolk. Improvements to morphological diversity were achieved here through the installation of woody material features, bank stabilisation, hinging willow trees and re-engineering the existing gravel bed to create riffles and pools. Selective tree felling also took place to allow light into a heavily shaded area of the channel.<br /> |Monitoring surveys and results=Analysis of monitoring results pending.<br /> |Lessons learn=Access was very limited due to the presences of fishing lakes adjacent to the river. Most works had to be completed by hand. Some work was carried out by amphibious excavator where the benefits outweighed the potential damage to the gravel bed from the excavator tracks. <br /> Additional tree works were required due to periods of high winds and the need to make the area safe for construction work to be carried out.<br /> Re-profiled river banks with bare soil were exposed during high flows and could have lead to erosion and sediment input. Seeding and the installation of a biodegradable jute matting was carried out to minimise erosion. (This had not been anticipated in the design. Ideally work would be carried out early enough to allow bank vegetation to re-establish from the existing seed bank.)<br /> |Project title=River Wensum Restoration, Reach 10 Lenwade<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=LenwadeRiverBedWorks.JPG<br /> }}<br /> {{Case study image<br /> |File name=LenwadeBankWorks.JPG<br /> }}<br /> {{Case study image<br /> |File name=LenwadeDeflector.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment<br /> |Subcatchment=Wensum US Norwich<br /> }}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations<br /> |Hydromorphological quality elements=Channel pattern/planform, Width &amp; depth variation, Flow velocities,<br /> }}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Case study documents<br /> |File name=RWRS Fact Sheet 9 -Lenwade.pdf<br /> }}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_3a_Costessey&diff=47320 2020-10-14T14:47:01Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.666313212733186, 1.2024262792237206<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=Reach 3a of the River Wensum Restoration Strategy involved restoring 1.2km of SSSI &amp; SAC designated river at Costessey, west of Norwich, Norfolk. Improvements to morphological diversity were achieved here through the installation of gravel glides, pools and berms and woody material. Informal cattle drinks were enhanced to reduce poaching and sediment input whilst still providing water to the landowner's livestock. These cattle drinks also acted as fry bays whilst fields were not being grazed. Tree planting was also carried out in exposed stretches of the river.<br /> |Monitoring surveys and results=Analysis of monitoring results pending.<br /> Post-restoration water vole surveys suggest that fenced tree enclosures which were no longer grazed provided additional habitat for water voles. Field signs (latrines and food stores) were observed in areas where they hadn't previously been seen.<br /> |Lessons learn=Natural un-milled and untreated timber for use as woody material was difficult to source at this location. Sourcing material for future schemes needs to be a consideration in the design.<br /> After an exceptionally dry summer the river level had dropped such that the fenced cattle drinks no longer allowed livestock to reach the water to drink (see photos). The scheme also included un-fenced drinks which the livestock could use. Consideration for livestock watering provisions in the event of low water levels must be included in future designs.<br /> |Project title=River Wensum Restoration, Reach 3a Costessey<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=CostesseyBerms.JPG<br /> }}<br /> {{Case study image<br /> |File name=CostesseyBerms2.JPG<br /> }}<br /> {{Case study image<br /> |File name=FencedCattleDrink.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment<br /> |Subcatchment=Wensum US Norwich<br /> }}<br /> {{Site}}<br /> {{Project background<br /> |Reach length directly affected=1200<br /> |Investigation and design cost category=10 - 50 k€<br /> |Investigation and design Lead organisation=Environment Agency<br /> |Stakeholder1 engagement cost category=1 - 10 k€<br /> |Stakeholder engagement Lead organisation=Environment Agency<br /> |Works1 and supervision cost category=100 - 500 k€<br /> |Works and supervision Lead organisation=Environment Agency<br /> |Post-project1 management and maintenance cost category=1 - 10 k€<br /> |Post-project management and maintenance Lead organisation=Environment Agency<br /> |Monitoring1 cost category=1 - 10 k€<br /> |Monitoring Lead organisation=Environment Agency<br /> }}<br /> {{Motivations<br /> |Hydromorphological quality elements=Channel pattern/planform, Width &amp; depth variation, Flow velocities,<br /> }}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Case study documents<br /> |File name=RWRS Fact Sheet 8 - Costessey.pdf<br /> }}<br /> {{Case study documents<br /> |File name=FryBay.MOV<br /> }}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_10_Lenwade&diff=47319 2020-10-14T14:19:51Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.72499103339484, 1.1195729929762832<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=Reach 10 of the River Wensum Restoration Strategy involved restoring 1.3km of SSSI &amp; SAC designated river at Lenwade, west of Norwich, Norfolk. Improvements to morphological diversity were achieved here through the installation of woody material features, bank stabilisation, hinging willow trees and re-engineering the existing gravel bed to create riffles and pools. Selective tree felling also took place to allow light into a heavily shaded area of the channel.<br /> |Monitoring surveys and results=Analysis of monitoring results pending.<br /> |Lessons learn=Access was very limited due to the presences of fishing lakes adjacent to the river. Most works had to be completed by hand. Some work was carried out by amphibious excavator where the benefits outweighed the potential damage to the gravel bed from the excavator tracks. <br /> Additional tree works were required due to periods of high winds and the need to make the area safe for construction work to be carried out.<br /> Re-profiled river banks with bare soil were exposed during high flows and could have lead to erosion and sediment input. Seeding and the installation of a biodegradable jute matting was carried out to minimise erosion. (This had not been anticipated in the design. Ideally work would be carried out early enough to allow bank vegetation to re-establish from the existing seed bank.)<br /> |Project title=River Wensum Restoration, Reach 10 Lenwade<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=LenwadeRiverBedWorks.JPG<br /> }}<br /> {{Case study image<br /> |File name=LenwadeBankWorks.JPG<br /> }}<br /> {{Case study image<br /> |File name=LenwadeDeflector.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment<br /> |Subcatchment=Wensum US Norwich<br /> }}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Case study documents<br /> |File name=RWRS Fact Sheet 9 -Lenwade.pdf<br /> }}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=File:RWRS_Fact_Sheet_9_-Lenwade.pdf&diff=47318 2020-10-14T14:19:44Z

<p>Amy.butcher: </p> <hr /> <div></div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_10_Lenwade&diff=47317 2020-10-14T14:18:55Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.72499103339484, 1.1195729929762832<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=Reach 10 of the River Wensum Restoration Strategy involved restoring 1.3km of SSSI &amp; SAC designated river at Lenwade, west of Norwich, Norfolk. Improvements to morphological diversity were achieved here through the installation of woody material features, bank stabilisation, hinging willow trees and re-engineering the existing gravel bed to create riffles and pools. Selective tree felling also took place to allow light into a heavily shaded area of the channel.<br /> |Monitoring surveys and results=Analysis of monitoring results pending.<br /> |Lessons learn=Access was very limited due to the presences of fishing lakes adjacent to the river. Most works had to be completed by hand. Some work was carried out by amphibious excavator where the benefits outweighed the potential damage to the gravel bed from the excavator tracks. <br /> Additional tree works were required due to periods of high winds and the need to make the area safe for construction work to be carried out.<br /> Re-profiled river banks with bare soil were exposed during high flows and could have lead to erosion and sediment input. Seeding and the installation of a biodegradable jute matting was carried out to minimise erosion. (This had not been anticipated in the design. Ideally work would be carried out early enough to allow bank vegetation to re-establish from the existing seed bank.)<br /> |Project title=River Wensum Restoration, Reach 10 Lenwade<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=LenwadeRiverBedWorks.JPG<br /> }}<br /> {{Case study image<br /> |File name=LenwadeBankWorks.JPG<br /> }}<br /> {{Case study image<br /> |File name=LenwadeDeflector.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment<br /> |Subcatchment=Wensum US Norwich<br /> }}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_10_Lenwade&diff=47316 2020-10-14T14:18:32Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.72499103339484, 1.1195729929762832<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=Reach 10 of the River Wensum Restoration Strategy involved restoring 1.3km of SSSI &amp; SAC designated river at Lenwade, west of Norwich, Norfolk. Improvements to morphological diversity were achieved here through the installation of woody material features, bank stabilisation, hinging willow trees and re-engineering the existing gravel bed to create riffles and pools. Selective tree felling also took place to allow light into a heavily shaded area of the channel.<br /> |Monitoring surveys and results=Analysis of monitoring results pending.<br /> |Lessons learn=Access was very limited due to the presences of fishing lakes adjacent to the river. Most works had to be completed by hand. Some work was carried out by amphibious excavator where the benefits outweighed the potential damage to the gravel bed from the excavator tracks. <br /> Additional tree works were required due to periods of high winds and the need to make the area safe for construction work to be carried out.<br /> Re-profiled river banks with bare soil were exposed during high flows and could have lead to erosion and sediment input. Seeding and the installation of a biodegradable jute matting was carried out to minimise erosion. (This had not been anticipated in the design. Ideally work would be carried out early enough to allow bank vegetation to re-establish from the existing seed bank.)<br /> |Project title=River Wensum Restoration, Reach 10 Lenwade<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=LenwadeRiverBedWorks.JPG<br /> }}<br /> {{Case study image<br /> |File name=LenwadeBankWorks.JPG<br /> }}<br /> {{Case study image<br /> |File name=LenwadeDeflector.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment}}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=File:LenwadeDeflector.JPG&diff=47315 2020-10-14T14:18:19Z

<p>Amy.butcher: Woody material deflector secured into place using chestnut stakes. Erosion protection jute matting and brushwood toe protection.</p> <hr /> <div>Woody material deflector secured into place using chestnut stakes. Erosion protection jute matting and brushwood toe protection.</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=File:LenwadeBankWorks.JPG&diff=47314 2020-10-14T14:09:28Z

<p>Amy.butcher: View from downstream of re-engineered river bed. Also showing re-profiled river bank with brushwood faggots protecting toe of bank.</p> <hr /> <div>View from downstream of re-engineered river bed. Also showing re-profiled river bank with brushwood faggots protecting toe of bank.</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=File:LenwadeRiverBedWorks.JPG&diff=47313 2020-10-14T14:06:56Z

<p>Amy.butcher: Existing gravel river bed worked using amphibious excavator to create riffles and pools.</p> <hr /> <div>Existing gravel river bed worked using amphibious excavator to create riffles and pools.</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_10_Lenwade&diff=47312 2020-10-14T14:00:44Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.72499103339484, 1.1195729929762832<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=Reach 10 of the River Wensum Restoration Strategy involved restoring 1.3km of SSSI &amp; SAC designated river at Lenwade, west of Norwich, Norfolk. Improvements to morphological diversity were achieved here through the installation of woody material features, bank stabilisation, hinging willow trees and re-engineering the existing gravel bed to create riffles and pools. Selective tree felling also took place to allow light into a heavily shaded area of the channel.<br /> |Monitoring surveys and results=Analysis of monitoring results pending.<br /> |Lessons learn=Access was very limited due to the presences of fishing lakes adjacent to the river. Most works had to be completed by hand. Some work was carried out by amphibious excavator where the benefits outweighed the potential damage to the gravel bed from the excavator tracks. <br /> Additional tree works were required due to periods of high winds and the need to make the area safe for construction work to be carried out.<br /> Re-profiled river banks with bare soil were exposed during high flows and could have lead to erosion and sediment input. Seeding and the installation of a biodegradable jute matting was carried out to minimise erosion. (This had not been anticipated in the design. Ideally work would be carried out early enough to allow bank vegetation to re-establish from the existing seed bank.)<br /> |Project title=River Wensum Restoration, Reach 10 Lenwade<br /> }}<br /> {{Image gallery}}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment}}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_10_Lenwade&diff=47311 2020-10-14T13:48:02Z

<p>Amy.butcher: Created page with &quot;{{Case study status |Approval status=Draft }} {{Location |Location=52.72499103339484, 1.1195729929762832 }} {{Project overview |Project title=River Wensum Restoration, Reach 1...&quot;</p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.72499103339484, 1.1195729929762832<br /> }}<br /> {{Project overview<br /> |Project title=River Wensum Restoration, Reach 10 Lenwade<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Multi-site=No<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> }}<br /> {{Image gallery}}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment}}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_3a_Costessey&diff=47310 2020-10-14T12:55:07Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.666313212733186, 1.2024262792237206<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=Reach 3a of the River Wensum Restoration Strategy involved restoring 1.2km of SSSI &amp; SAC designated river at Costessey, west of Norwich, Norfolk. Improvements to morphological diversity were achieved here through the installation of gravel glides, pools and berms and woody material. Informal cattle drinks were enhanced to reduce poaching and sediment input whilst still providing water to the landowner's livestock. These cattle drinks also acted as fry bays whilst fields were not being grazed. Tree planting was also carried out in exposed stretches of the river.<br /> |Monitoring surveys and results=Analysis of monitoring results pending.<br /> Post-restoration water vole surveys suggest that fenced tree enclosures which were no longer grazed provided additional habitat for water voles. Field signs (latrines and food stores) were observed in areas where they hadn't previously been seen.<br /> |Lessons learn=Natural un-milled and untreated timber for use as woody material was difficult to source at this location. Sourcing material for future schemes needs to be a consideration in the design.<br /> After an exceptionally dry summer the river level had dropped such that the fenced cattle drinks no longer allowed livestock to reach the water to drink (see photos). The scheme also included un-fenced drinks which the livestock could use. Consideration for livestock watering provisions in the event of low water levels must be included in future designs.<br /> |Project title=River Wensum Restoration, Reach 3a Costessey<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=CostesseyBerms.JPG<br /> }}<br /> {{Case study image<br /> |File name=CostesseyBerms2.JPG<br /> }}<br /> {{Case study image<br /> |File name=FencedCattleDrink.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment<br /> |Subcatchment=Wensum US Norwich<br /> }}<br /> {{Site}}<br /> {{Project background<br /> |Reach length directly affected=1200<br /> |Investigation and design cost category=10 - 50 k€<br /> |Investigation and design Lead organisation=Environment Agency<br /> |Stakeholder1 engagement cost category=1 - 10 k€<br /> |Stakeholder engagement Lead organisation=Environment Agency<br /> |Works1 and supervision cost category=100 - 500 k€<br /> |Works and supervision Lead organisation=Environment Agency<br /> |Post-project1 management and maintenance cost category=1 - 10 k€<br /> |Post-project management and maintenance Lead organisation=Environment Agency<br /> |Monitoring1 cost category=1 - 10 k€<br /> |Monitoring Lead organisation=Environment Agency<br /> }}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Case study documents<br /> |File name=RWRS Fact Sheet 8 - Costessey.pdf<br /> }}<br /> {{Case study documents<br /> |File name=FryBay.MOV<br /> }}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=File:FryBay.MOV&diff=47309 2020-10-14T12:54:58Z

<p>Amy.butcher: Fry congregating and taking refuge in shallow, warmer, cattle drink.</p> <hr /> <div>Fry congregating and taking refuge in shallow, warmer, cattle drink.</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=File:RWRS_Fact_Sheet_8_-_Costessey.pdf&diff=47308 2020-10-14T12:49:05Z

<p>Amy.butcher: </p> <hr /> <div></div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_3a_Costessey&diff=47307 2020-10-14T12:30:23Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.666313212733186, 1.2024262792237206<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=Reach 3a of the River Wensum Restoration Strategy involved restoring 1.2km of SSSI &amp; SAC designated river at Costessey, west of Norwich, Norfolk. Improvements to morphological diversity were achieved here through the installation of gravel glides, pools and berms and woody material. Informal cattle drinks were enhanced to reduce poaching and sediment input whilst still providing water to the landowner's livestock. These cattle drinks also acted as fry bays whilst fields were not being grazed. Tree planting was also carried out in exposed stretches of the river.<br /> |Monitoring surveys and results=Analysis of monitoring results pending.<br /> Post-restoration water vole surveys suggest that fenced tree enclosures which were no longer grazed provided additional habitat for water voles. Field signs (latrines and food stores) were observed in areas where they hadn't previously been seen.<br /> |Lessons learn=Natural un-milled and untreated timber for use as woody material was difficult to source at this location. Sourcing material for future schemes needs to be a consideration in the design.<br /> After an exceptionally dry summer the river level had dropped such that the fenced cattle drinks no longer allowed livestock to reach the water to drink (see photos). The scheme also included un-fenced drinks which the livestock could use. Consideration for livestock watering provisions in the event of low water levels must be included in future designs.<br /> |Project title=River Wensum Restoration, Reach 3a Costessey<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=CostesseyBerms.JPG<br /> }}<br /> {{Case study image<br /> |File name=CostesseyBerms2.JPG<br /> }}<br /> {{Case study image<br /> |File name=FencedCattleDrink.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment<br /> |Subcatchment=Wensum US Norwich<br /> }}<br /> {{Site}}<br /> {{Project background<br /> |Reach length directly affected=1200<br /> |Investigation and design cost category=10 - 50 k€<br /> |Investigation and design Lead organisation=Environment Agency<br /> |Stakeholder1 engagement cost category=1 - 10 k€<br /> |Stakeholder engagement Lead organisation=Environment Agency<br /> |Works1 and supervision cost category=100 - 500 k€<br /> |Works and supervision Lead organisation=Environment Agency<br /> |Post-project1 management and maintenance cost category=1 - 10 k€<br /> |Post-project management and maintenance Lead organisation=Environment Agency<br /> |Monitoring1 cost category=1 - 10 k€<br /> |Monitoring Lead organisation=Environment Agency<br /> }}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_3a_Costessey&diff=47306 2020-10-14T12:26:41Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.666313212733186, 1.2024262792237206<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=Reach 3a of the River Wensum Restoration Strategy involved restoring 1.2km of SSSI &amp; SAC designated river at Costessey, west of Norwich, Norfolk. Improvements to morphological diversity were achieved here through the installation of gravel glides, pools and berms and woody material. Informal cattle drinks were enhanced to reduce poaching and sediment input whilst still providing water to the landowner's livestock. These cattle drinks also acted as fry bays whilst fields were not being grazed. Tree planting was also carried out in exposed stretches of the river.<br /> |Monitoring surveys and results=Analysis of monitoring results pending.<br /> Post-restoration water vole surveys suggest that fenced tree enclosures which were no longer grazed provided additional habitat for water voles. Field signs (latrines and food stores) were observed in areas where they hadn't previously been seen.<br /> |Lessons learn=Natural un-milled and untreated timber for use as woody material was difficult to source at this location. Sourcing material for future schemes needs to be a consideration in the design.<br /> After an exceptionally dry summer the river level had dropped such that the fenced cattle drinks no longer allowed livestock to reach the water to drink (see photos). The scheme also included un-fenced drinks which the livestock could use. Consideration for livestock watering provisions in the event of low water levels must be included in future designs.<br /> |Project title=River Wensum Restoration, Reach 3a Costessey<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=CostesseyBerms.JPG<br /> }}<br /> {{Case study image<br /> |File name=CostesseyBerms2.JPG<br /> }}<br /> {{Case study image<br /> |File name=FencedCattleDrink.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment<br /> |Subcatchment=Wensum US Norwich<br /> }}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_3a_Costessey&diff=47305 2020-10-14T12:23:25Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.666313212733186, 1.2024262792237206<br /> }}<br /> {{Project overview<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> |Multi-site=No<br /> |Project summary=Reach 3a of the River Wensum Restoration Strategy involved restoring 1.2km of SSSI &amp; SAC designated river at Costessey, west of Norwich, Norfolk. Improvements to morphological diversity were achieved here through the installation of gravel glides, pools and berms and woody material. Informal cattle drinks were enhanced to reduce poaching and sediment input whilst still providing water to the landowner's livestock. These cattle drinks also acted as fry bays whilst fields were not being grazed. Tree planting was also carried out in exposed stretches of the river.<br /> |Monitoring surveys and results=Analysis of monitoring results pending.<br /> Post-restoration water vole surveys suggest that fenced tree enclosures which were no longer grazed provided additional habitat for water voles. Field signs (latrines and food stores) were observed in areas where they hadn't previously been seen.<br /> |Lessons learn=Natural un-milled and untreated timber for use as woody material was difficult to source at this location. Sourcing material for future schemes needs to be a consideration in the design.<br /> After an exceptionally dry summer the river level had dropped such that the fenced cattle drinks no longer allowed livestock to reach the water to drink (see photos). The scheme also included un-fenced drinks which the livestock could use. Consideration for livestock watering provisions in the event of low water levels must be included in future designs.<br /> |Project title=River Wensum Restoration, Reach 3a Costessey<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=CostesseyBerms.JPG<br /> }}<br /> {{Case study image<br /> |File name=CostesseyBerms2.JPG<br /> }}<br /> {{Case study image<br /> |File name=FencedCattleDrink.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment}}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_3a_Costessey&diff=47304 2020-10-14T12:07:12Z

<p>Amy.butcher: </p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.666313212733186, 1.2024262792237206<br /> }}<br /> {{Project overview<br /> |Project title=River Wensum Restoration, Reach 3a Costessey<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Multi-site=No<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> }}<br /> {{Image gallery}}<br /> {{Case study image<br /> |File name=CostesseyBerms.JPG<br /> }}<br /> {{Case study image<br /> |File name=CostesseyBerms2.JPG<br /> }}<br /> {{Case study image<br /> |File name=FencedCattleDrink.JPG<br /> }}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment}}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=File:FencedCattleDrink.JPG&diff=47303 2020-10-14T12:04:46Z

<p>Amy.butcher: Cattle drink fenced to prevent full access to river by livestock and lined with chalk to reduce poaching and sediment input. Drink dry after exceptionally dry summer - learning point.</p> <hr /> <div>Cattle drink fenced to prevent full access to river by livestock and lined with chalk to reduce poaching and sediment input. Drink dry after exceptionally dry summer - learning point.</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=File:CostesseyBerms2.JPG&diff=47302 2020-10-14T12:02:02Z

<p>Amy.butcher: Gravel berms providing flow heterogeneity.</p> <hr /> <div>Gravel berms providing flow heterogeneity.</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=File:CostesseyBerms.JPG&diff=47301 2020-10-14T11:59:59Z

<p>Amy.butcher: &#039;Reject&#039; flint gravel berms providing flow heterogeneity.</p> <hr /> <div>'Reject' flint gravel berms providing flow heterogeneity.</div>

Amy.butcher https://restorerivers.eu/wiki/index.php?title=Case_study:River_Wensum_Restoration,_Reach_3a_Costessey&diff=47300 2020-10-14T11:55:59Z

<p>Amy.butcher: Created page with &quot;{{Case study status |Approval status=Draft }} {{Location |Location=52.666313212733186, 1.2024262792237206 }} {{Project overview |Project title=River Wensum Restoration, Reach...&quot;</p> <hr /> <div>{{Case study status<br /> |Approval status=Draft<br /> }}<br /> {{Location<br /> |Location=52.666313212733186, 1.2024262792237206<br /> }}<br /> {{Project overview<br /> |Project title=River Wensum Restoration, Reach 3a Costessey<br /> |Status=Complete<br /> |Themes=Habitat and biodiversity, Hydromorphology<br /> |Country=England<br /> |Main contact forename=Amy<br /> |Main contact surname=Butcher<br /> |Main contact id=Amy.butcher<br /> |Contact organisation=Environment Agency<br /> |Contact organisation url=www.gov.uk/environment-agency<br /> |Multi-site=No<br /> |Name of parent multi-site project=Case_study:Wensum River Restoration Strategy<br /> }}<br /> {{Image gallery}}<br /> {{Image gallery end}}<br /> {{Toggle button}}<br /> {{Toggle content start}}<br /> {{Case study subcatchment}}<br /> {{Site}}<br /> {{Project background}}<br /> {{Motivations}}<br /> {{Measures}}<br /> {{Hydromorphological quality elements header}}<br /> {{End table}}<br /> {{Biological quality elements header}}<br /> {{End table}}<br /> {{Physico-chemical quality elements header}}<br /> {{End table}}<br /> {{Other responses header}}<br /> {{End table}}<br /> {{Monitoring documents}}<br /> {{Monitoring documents end}}<br /> {{Additional Documents}}<br /> {{Additional Documents end}}<br /> {{Additional links and references header}}<br /> {{Additional links and references footer}}<br /> {{Supplementary Information}}<br /> {{Toggle content end}}</div>

Amy.butcher