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Case study:Removing Sheepmount weir, River Caldew, Carlisle, Cumbria + (Removing Sheepmount weir in the River Cald … Removing Sheepmount weir in the River Caldew, Carlisle, CumbriaThis project is part of the Cumbria River Restoration Strategy (RRS), a partnership project involving the Environment Agency, Natural England and the three Cumbrian Rivers Trusts - Eden Rivers Trust, West Cumbria Rivers Trust and South Cumbria Rivers Trust. The Cumbria RRS aims to create a healthier and more sustainable environment for both people and wildlife.A feasibility study of the removal of this weir was undertaken by JBA Consulting in 2016 to identify the most appropriate option. All the necessary permissions and consents were then obtained and extensive consultation was undertaken. Local contractors were employed to undertake the ground works in August 2016.For more details and to see a film of the removal please see the project page on our website http://www.edenriverstrust.org.uk/removing-weirs-edenedenriverstrust.org.uk/removing-weirs-eden)
Case study:RESTORATION OF THE TRESENEC STREAM + (Renaturation of former riverbeds was carried out at specific sections of the Goriški Brežiček and Tresenec streams. Both brooks were rerouted to their former meanders in the length of more than 500 m each.)
Case study:Lodge Burn Flood Alleviation Scheme + (Reports found that sections of the Lodge B … Reports found that sections of the Lodge Burn through Coleraine flooded on a regular basis, particularly in Anderson Park and downstream of Millburn Road. A feasibility study was undertaken by Atkins to identify potential solutions to the flooding issue, which determined that a staged approach would be best for the implementation of flood alleviation works.Phase 1 included the implementation of measures for flood alleviation through river channel improvements, to minimise flooding to a 1 in 100 year event.WORKS:1. Replacement culvert constructed, with floor embedded to upstream bed level. Low flow channel through culvert, to allow fish passage during low-flow periods.2. In-situ improvement to old masonry culvert - aligned with replacement culvert upstream to improve flow conditions.3. Flood wall construction between Railway Road Bridge and Brook Street Bridge. 4. New vegetated riverbanks alongside floodwall, for habitat enhancement. Rock ramp pool and weir fish pass constructed at outfall of Railway Road Bridge. New spawning areas created using existing bed material, boulders and gravels.5. Removal of Anderson Park pond to restore natural course of river, facilitate free fish passage and allow for natural sediment transport to be restored.6. Diversion of large water main and supporting beam, which has been obstructing flow.Vegetated riverbanks within flood wall (habitat enhancement).s within flood wall (habitat enhancement).)
Case study:River Kennet Restoration at Durnsford + (Restoration measures implemented along a 2 … Restoration measures implemented along a 2000m section included profile regrading, introduction of large woody debris, removal of invasive species, placement of gravels, cutting trees back, re-connection to adjacent floodplain, creation of wetlands and narrowing of the channel to reintroduce sinuousity. of the channel to reintroduce sinuousity.)
Case study:Beneden Regge + (Restoration measures in the downstream str … Restoration measures in the downstream stretch of the river Regge are part of a larger restoration project for the whole river (see link above). The stream bed was raised and the river planform was made narrower and given a meandering trajectory. Dead wood was introduced and mowing was suspended to create a more varied ecosystem. The river corridor was largely converted from intensive agriculture to grassland, maintained by grazers.lture to grassland, maintained by grazers.)
Case study:Midden Regge + (Restoration measures in the middle part of … Restoration measures in the middle part of the river Regge are part of plans to restore the whole river. In 2006, the streambed was made made more narrow and given a meandering trajectory. Some abondoned meanders were reconnected to the stream. The bed was elevated further. Mowing in the main channel was suspended, while the floodplains were maintained by grazers.he floodplains were maintained by grazers.)
Case study:Lunterse Beek + (Restoration measures were carried out in a … Restoration measures were carried out in a trajectory of the Lunterse Beek to the west of Renswoude, south of the N224 up to the Liniedijk.Since the Lunterse beek is a mass of water with little flow and dynamics, the water authority created a side channel, which should be embedded in the landscape and improve the stream’s ecology. This side channel also functions as a spillway when discharges are high. Because a weir is present at the location where the stream cuts through the Liniedijk, the side channel was led through a culvert in the dyke, after which it becomes a meandering stream that connects to the Lunterse Beek downstream of the weir. The side channel passes through the small woodland area of Klein Wolfswinkel, where it passes close by a badger’s sett (Du: Dassenburcht); one of the pictures shows the badger’s nursery. The area also features living quarters of a fox, a hawk and a buzzard and is home to a colony of herons.The ecology will be monitored further, both at the banks, where stubbs were introduced as a bank edge, and in the stream itself. The vegetation that was introduced at several locations near the stream will be monitored as well. The design of the area is such that little maintenance should be necessary.The restorion measures in the Lunterse Beek aim to improve the flow conditions and increase the variation in flora and fauna. Fish like the gudge (Nl: riviergrondel) and ide (Nl: winde) will soon be able to swim upstream when the weir at the Groeperkade will be made passable for fish. Source: https://www.sprengenbeken.nl/tag/lunterse-beek/://www.sprengenbeken.nl/tag/lunterse-beek/)
Case study:River Blythe Restoration Strategy 2018-19 delivery + (Restoration of River Blythe SSSI to favourable status)
Case study:River Can Backwater Restoration + (Restoration of a former mill channel to im … Restoration of a former mill channel to improve backwater habitat for fish, plants and invertebrates. Restored mill channel will also act to improve the quality of surface water run-off from adjacent urban area. The River Can is at a Poor Ecological Status and is not meeting WFD objectives for Fish, invertebrates and Macrophytes. Restoring and reconnecting the historic mill channel into the river will create addition habitat. Surface water from the adjacent urban area also discharges into the mill channel. Leaky dams installed in the mill channel will slow the surface water down, allowing any sediment to settle out and filtering any pollution, thus improving water quality. The mouth of the channel has been widened and de-silted. Better connecting the back channel habitat and refuge from both high flows and predators for fish. Warm shallow areas have also been created. which are ideal habitat for fish fry.ted. which are ideal habitat for fish fry.)
Case study:Salmon in the Stour + (Restoration of functioning salmon population on the River Stour by weir removal and habitat and geomorphology restoration)
Case study:Salmon in the Stour II + (Restoration of functioning salmon population on the River Stour by weir removal and habitat and geomorphology restoration)
Case study:Ripley Brook WFD ENV0001872C, Ripley Brook NFM - ENV6002091R + (Restoration of in channel habitat. Monitoring to include electrofishing and invertebrate sampling. Community engagement. Ditch blocking and water level monitoring. Wet weather surveys)
Case study:Hurst Park + (Restoration of natural floodplain; habitat creation; amenity; wetland creation Part of the TLS Hurst Park management plan. Master plan completed. Consultation completed, funding bids being submitted)
Case study:Water and Life for Drava and Vuka + (Restoration of natural habitats alongside … Restoration of natural habitats alongside the rivers Vuka and Drava with the aim of restoring the original hydrological situation and providing proper habitat for protected and rare aquatic species – the interventions into the environment will also induce the forming of a new water ecosystem on Laslovo oxbow that will develop the landscape in rural surroundings and restore its ecology, forming a more sustainable and valuable natural environment and attractive ecotourism destination on the Vuka in the long run.Works included: Reduction of boulder weir height.ncluded: Reduction of boulder weir height.)
Case study:Chelmer Valley Local Nature Reserve + (Restoration of the River Chelmer upstream … Restoration of the River Chelmer upstream of Chelmsford City Centre by re-profiling the banks to increase in-channel morphological diversity, create additional marginal aquatic habitats, improve floodplain connectivity and create additional backwater habitats. The River Chelmer has historically been heavily modified to improve flood protection and land drainage. This has led to a uniform wide, straight, deep channel upstream of Chelmsford City Centre. This in tern has resulted in reduced plant diversity, and there has recently been deterioration in fish status. The Chelmer Valley Local Nature Reserve (LNR) is a much loved open space situated to the north of Chelmsford city centre (Map 1 on project webpage). Approximately 2.5km long, the Chelmer Valley LNR consists of parkland, green spaces, unimproved grassland, ponds, wet margins, riparian woodland and the River Chelmer itself (Photo 1). As part of this project, informal embankments created through years of dredging were lowered and the won material was used within the river to construct earth berms. This improved floodplain connectivity, created marginal habitat for plants and restricted the width of the active river channel, encouraging geomorphic processes. In addition, flood risk modelling of the scheme has shown flood risk benefits emerging from the project during particular flood frequencies. Flood risk modelling indicated that the scheme would lead to a small, net decrease in lateral flood extent during both 10% and 1% annual exceedance probability (AEP) events. Modelling also suggests reduced flood depths of up to 0.3m in some locations during a 10% AEP event and reduced flood depths of 0.15m in some locations during a 1% AEP. The reduced flood risk is believed to be due to the improved connectivity between the main river channel and the floodplain, which means water evacuates onto the floodplain earlier and the flood peak is marginally reduced.lain earlier and the flood peak is marginally reduced.)
Case study:Restoration of the River Ythan and its estuary + (Restoration of the Ythan river catchment a … Restoration of the Ythan river catchment aimed to introduce measures to reduce pollutant inputs into the river and estuary and to reduce the growth of algae in the estuary, enhancing the ecological status of the site. The project used a community involvement approach as part of the new sustainable land management practices in the Ythan river catchment.Restoration involved working with local farmers for increasing applications to [[term:Agri-environment scheme|Agri-environment scheme]], to develop nutrient budgeting, to produce water management plans and to encourage the use of buffer strips. Anglers, walkers, local residents and national agencies worked together to select and manage restoration work on sections of the river to create areas of semi-natural habitats. Local residents and others were involved in monitoring changes in water quality and other indicators. The project planned to encourage the application of innovative techniques to land management issues and also would take forward a number of local Biodiversity Action Partnerships (LBAPs). Biodiversity Action Partnerships (LBAPs).)
Case study:Grange Farm + (Restoration scheme completed and farmer ev … Restoration scheme completed and farmer event held to showcase restoration and communicate farmer's insights to other farmers, which was well received. Capital works included bank reprofiling, gravel introduction, scrapes and bunds, backwater creation, LWB and online sediment trap, LWM installation, willow management, tree planting.llation, willow management, tree planting.)
Case study:Edingale + (Restoration scheme delivered in 2023. We w … Restoration scheme delivered in 2023. We were approached by the Parish Council with interest to restore the river on their reach, but most of the works undertaken on private neighbouring land. 760m of main River Mease restoration including 2.5ha riparian habitat improvement. Bank reprofiling, backwater creation, large woody material addition, gravel addition to add a diversity of flows and riparian habitat. Scrape creation and ditch enhancement, woodland thinning and dead hedgerow creation to enhance the wood to become a wet woodland at lower flows.d to become a wet woodland at lower flows.)
Case study:Fender River Restoration Project - Bidston, Wirral + (Restore 270 metres of the River Fender to a more natural condition to create and improve riparian habitats)
Case study:Birkin Brook Habitat Improvements, Cheshire + (Restore 935 metres (1.1 hectares) of degraded riparian habitat through fencing to exclude livestock)
Case study:Crosthwaite Deculverting + (Restore habitat by opening up culvert section)
Case study:Morden Hall + (Restore more natural channel with range of in channel features and backwaters, also new small side channel to avoid garden area which will become formalised. Improvement of 800m of river, through naturalisation of bank and creation of bankside features.)
Case study:Revitalisation of Nagy-Pándzsa watersystem + (Restoring the Nagy-Pándzsa watersystem's t … Restoring the Nagy-Pándzsa watersystem's transport capacity and the reconstruction of the Helbényi sluice at the Holt-Marcal estuarine will improve flood protection, contribute to the improvement of overall water quality and pollution reduction. as A result of the development the flora and the fauna of the water will regenerate , safe water supply for fish ponds will be ensured.ter supply for fish ponds will be ensured.)
Case study:Roneo Corner + (Restoring the Rom to allow it to meander t … Restoring the Rom to allow it to meander through the course of the old river; removal of concrete banks and bed at upstream end; reconnect with its floodplain. This stretch has been straightened, deepened, the raised banks containing it within the manipulated channel, despite being located in open parkland. The course of the old river can be seen in places, forming wet depressions, so it may be possible to link these back up. it may be possible to link these back up.)
Case study:River Dove Restoration Project + (Restoring the geomorphology of the River Dove and restoring a self sustaining salmon population)

Case study:Mackworth and Markeaton Brooks + (Restrict stock access to watercourse)

Case study:Lidl + (Retreating flood defence to create a natur … Retreating flood defence to create a natural bank; installing in channel gravels; creation of marginal habitat including reedbed; installation of coir rolls; educational signage; buffer zone planting. To enhance the river as part of the redevelopment of the site and comply with current policy and legislation to improve the environment as part of the planning process. This is also in line with long term aims to improve the River Quaggy which is currently channelised and heavily engineered.rently channelised and heavily engineered.)
Case study:Ribble Life Together + (Ribble Life Together (RLT) brought togethe … Ribble Life Together (RLT) brought together a range of stakeholders, interest groups and the communities through the Ribble Life Partnership. Using a prioritised ecosystem service approach, the project aimed to improve the natural river heritage of the Ribble Catchment for people and wildlife in an inclusive and integrated way. RLT brought many organisations together who all have a common goal of improving water quality, reducing the risk of flooding and droughts and increasing river connectivity and biodiversity.A key driver of the project was to make significant improvements to our river system by delivering an ambitious programme of river channel improvement projects and habitat creation projects. This would include 14 fish pass or weir removal projects, 30 new woodlands and delivering 14 wetland projects. These would vary in size and scope, designing bespoke projects for each location that would reflect and enhance local conditions and needs, and provide multiple benefits for the river and local community. For example, partial weir removals, rock ramp fish pass projects, technical fish pass projects, bypass channels, leaky dams, peat restoration, wildlife ponds and riparian woodlands that create wildlife corridors and strengthen habitat networks.Alongside the improvements to our rivers, Ribble Life Together aimed to connect people to their rivers and our work on a scale never achieved before, it aimed to reach new audiences and grow awareness throughout the catchment about the issues our rivers face. This included a catchment wide farm advice programme, working with farmers and landowners to increase knowledge about soil and water resource management, build trust and develop new environment friendly farm improvement and habitat creation projects. We would increase engagement with rivers through our education programme, volunteering, apprenticeships, public events. And we would make our rivers more accessible through art projects, guided walks and by creating digital, online content such as short films that would allow people, who otherwise would not be able to visit their local river, to experience and learn about the riverscapes around them. We wanted people to explore and celebrate the rich heritage of the river and encouraging more people to discover the wonder of the river for themselves.The result would be a healthier river system and a catchment that would be a better place to work, live and visit, whilst also engaging people in their local rivers and encouraging them to take positive action to conserve and improve them.itive action to conserve and improve them.)
Case study:Ritobäcken-environmentally preferable two-stage drainage channels + (Ritobäcken brook is a small tributary of R … Ritobäcken brook is a small tributary of River Sipoonjoki which is located near to Helsinki partly in a Sipoonkorpi National Park. Brook serves as a drainage channel for the surrounding agricultural fields which constitute 13% of the 10 km2 catchment area. The brook is also a reproduction area for the vulnerable sea run brown trout (Salmo trutta) of the Baltic Sea. Because of the significant bank and bed erosion in the upstream reaches and reduced conveyance in the downstream reaches fields were inundated during high flows. Brook was restored as the aim of maintaining and enhancing the habitat diversity of the brook for migratory fish while decreasing flooding of the fields. The two-stage cross-section was constructed on excavating a floodplain on one side of the channel and leaving the opposite side and bottom intact to prevent the digging of the stream bed. The flood terrace has so far been large enough to prevent flooding to the arable areas. Spawning brown trout have been monitored downstream in autumn 2010 and 2011, showing that no harm for fish was done by the excavation. The increase of trout habitat to the excavated section upstream can also be expected, with help of further restoration.xpected, with help of further restoration.)
Case study:Restorations of Ritobäcken brook + (Ritobäcken brook is a small tributary of R … Ritobäcken brook is a small tributary of River Sipoonjoki which is located near to Helsinki partly in a Sipoonkorpi National Park. Brook serves as a drainage channel for the surrounding agricultural fields which constitute 13% of the 10 km2 catchment area. The brook is also a reproduction area for the vulnerable sea run brown trout (Salmo trutta) of the Baltic Sea. Brook has been restored twice. First time was 2006 when 230 meters of dredged and straightened brook was restored as the aim of improving the habitat for the existing brown trout stock. The object was to support the natural development of the brook by adding sinousity, width and depth variation. Also stones and gravel were added and replaced to create habitats for the brown trout.In 2010 brook was restored as the aim of maintaining and enhancing the habitat diversity of the brook for migratory fish while decreasing flooding of the fields. Because of the significant bank and bed erosion in the upstream reaches, and reduced conveyance in the downstream reaches, fields were inundated during high flows. The two-stage cross-section was constructed on excavating a floodplain on one side of the channel and leaving the opposite side and bottom intact to prevent digging the stream bed. The flood terrace has so far been large enough to prevent the brook to flood to the arable areas. Spawning brown trout have been monitored downstream in autumn 2010 and 2011, showing that no harm for fish was done by the excavation. There can also be expectet increase in trout habitats in the excavated section of upstreams, with the help of further restoration.ams, with the help of further restoration.)
Case study:River Hogsmill Restoration Project + (River Hogsmill restoration project Creati … River Hogsmill restoration projectCreating a better place to live Reference:SRB06/PR080 Better living placeCompletion: 20th July 2006The completion of a £230,000 improvement project on a section of the Hogsmill Open Space and river near the Watersedge Housing Estate in Epsom and Ewell, has been achieved due to a highly successful partnership. Local residents teamed up with Epsom & Ewell Borough Council, Rosebery Housing Association, the Environment Agency, the Countryside Agency, the Big Lottery Fund, Surrey County Council, the Royal Borough of Kingston and the Lower Mole Countryside Management Project to achieve the most dramatic and positive results! The project has given a new lease of life to the site delivering improved access, with new paths, a new footbridge and a better environment for wildlife through flood defence improvements to the Hogsmill River.But the project is not a recent innovation, in 2001 local residents were asked what improvements they would most like to see regarding their local environment and a strong message came back that people wanted improved access along the Hogsmill Open Space and across the Bonesgate Stream. Rosebery Housing Association and the Watersedge Action Group approached Epsom & Ewell Borough Council and the Environment Agency and the Hogsmill Improvement Project was born. This quickly led to the inclusion of other partners and the formation of the ‘Friends of the Hogsmill’; and it was soon realized that such a large area of open space needed many stakeholders who could all contribute – and that’s just what they all did! To improve access and to ensure good community involvement the Countryside Agency were approached and a successful application for ‘Doorstep Green’ status was made. This resulted in a ‘Big Lottery Fund’ grant of up to £55,000 which has allowed for the construction of a new path running along the whole length of the site with new entrances and seats along the route. A new Footbridge to replace the existing unsafe stepping stones across the Bonesgate Stream has been purchased using £25,000 of funds awarded by the ‘Living Spaces’ Lottery fund and is due for installation later this month. A culvert and new section of path linking the site of the new bridge to the Watersedge Estate has already been constructed by volunteers from the Lower Mole Countryside Management Project.The Hogsmill River is an important wildlife refuge and has great recreational value, but was perceived by many as run down and a shadow of its former self. In places it was steep-sided, concrete-lined, crossed by service pipes and strewn with litter. Despite this, the river which originates as a chalk stream in Ewell still provides a home to fish such as stone loach, minnows and bullhead and if nature lovers are lucky, they can see one of the kingfishers which live along the river.The Environment Agency has contributed £130,000 to restore the river and make it a more visible and accessible area for local residents to enjoy with improvements for wildlife and flood defenses.with improvements for wildlife and flood defenses.)
Case study:Timber float restorations at River Iijoki + (River Iijoki has been restored mainly beca … River Iijoki has been restored mainly because of altered river morphology caused by intensive forestry and timber floating. Besides the main channel of River Iijoki, also all tributaries of this large river area have been restored. The main channel of the river is mainly harnessed for hydro power production and also two tributaries are regulated.on and also two tributaries are regulated.)
Case study:Restoration of Vantaanjoki River + (River Vantaanjoki flows to the Baltic Sea … River Vantaanjoki flows to the Baltic Sea in Helsinki city. The river was famous for its salmon from medieval times but through dam construction and later through bad water quality the original stock became extinct. Through new sewage treatment systems the water was purified in the 1980's. Later multiple restorations have been done in River Vantaanjoki and its tributaries with the aim to enable fish migration from sea to upstream by removing dams, constructing fish passes and adding stone material and gravel to create habitats. Object of the restorations have also been to improve the condition of the water system in such a way that it would be better suited to meet the needs of recreation and fishing. After restorations salmon and sea trout, both highly threatened species in the Baltic Sea, begun to migrate and reproduce to the river. Restorations were accomplished in co-operation with environmental authorities, NGOs and volunteers. Co-operation between different organizations was a success and interests of different groups were well taken into account during projects.e well taken into account during projects.)
Case study:Source to Sea Programme – 3. Upper Wenning Restoration + (River Wenning is a tributary of the River … River Wenning is a tributary of the River Lune, and is one of the best sea trout rivers in the country. In recent years sea trout catches have been inexplicably low off Scottish and Irish coasts, which are now believed to be mirrored in the River Wenning numbers.The Upper River Wenning and most of its tributaries have been extensively modified over the course of the last 150 years and all have lost much of their natural character. Their ability to support sea trout, salmon, brown trout, and many other species of wildlife (otter, kingfisher, dipper etc.) has been compromised. Some of the issues leading to this decline together with remedial actions are: • Natural meanders have gone and been replaced by straight, featureless sections that resemble muddy field drains;• In the same areas it is clear that the river has been dredged as much of the natural bed has been dug out and been piled up on the banks. As a consequence the gravel depth is shallow and salmonids struggle to find suitable locations to breed; and• Almost all bankside vegetation has gone and what was once a key salmonid nursery area for both the Wenning and the Lune has been sacrificed for land drainage to improve farm yield.This project is designed to raise the WFD classification of the Upper Wenning tributaries, (all currently “moderate”) to good and hence raise the classification of the Upper Wenning itself from moderate to good. The work includes buffer-stripping to reduce diffuse pollution (Fen Beck, Crook Beck, Clapham Beck, Austwick Beck, Keasden Beck and the Wenning) and the removal of a manmade weir on Kettles Beck to open access of 5 miles to migratory fish. It also includes tree planting on Clapham Beck and the creation of spawning side channels on Keasden Beck.Community Involvement - Engagement activities will include practical volunteering activities like tree planting, and awareness-raising through media and face-to-face contact.ng through media and face-to-face contact.)
Case study:Wandle Valley Wetlands + (River bank enhancements; backwater creatio … River bank enhancements; backwater creation; tree works. The Wandle in this location has sections of good marginal vegetation with other sections which remain over-shaded and degraded with toe boarding. The Wandle Valley wetlands are a section of land on the bed of the river which could be enhanced with the creation of interlinked wetland areas, acting as backwaters to the Wandle. This would have multiple benefits, particularly with regard to fisheries in times of poor water quality and would create additional habitat to support water voles.additional habitat to support water voles.)
Case study:Hollyoak Wood and Willersley Park + (River bank rehabilitation for morphology a … River bank rehabilitation for morphology and biodiversity; improve visual amenity; improved marginal plant communities; improved continuity in river habitat through riparian planting and modified maintenance regime. 42052 square metres in size. Access river shuttle way linear walk from source to confluence with the River Cray; 11 opportunities have been identified to improve River Shuttle. A masterplan is currently being developed to improve the River Shuttle and the surrounding parkland in Hollyoak and Willersely and Marlbrough Parks. Hollyoak and Willersely and Marlbrough Parks.)
Case study:Pymmes Brook and new river crossing point + (River corridor and in channel enhancements and enhancements to the New River with recreational and educational benefits. Development of the area as outlined in the Local Development Framework Area Action Plan)
Case study:Narborough Rehabilitation Project + (River excavations and modifications took t … River excavations and modifications took three days, the majority of one of these being import of the gravel to the ‘runs’.Work was implemented in c1km of river. There was absolutely no gradient within the sections modified, with the river being deep and sluggish throughout. Work carried out:**created greater diversity of habitat by modifying both the long and cross-sections;**locally narrowed the channel to improve self-cleansing of the bed in these locations, and accelerated flow into pools created immediately downstream;**removed the unsightly deflectors by replacing them with ‘living’ features that already are doing a much more effective job than the deflectors were attempting to do;**the one main difference from the Castle Acre stretch was that some of the upstream ‘runs’ had a thin layer of gravel spread over them too.Differences in character were primarily determined by the character of the river bed where pools were excavated, and the extent of reed/sedge available from adjacent to the river to add to the channel.Where the bed was hard, and reed/sedge was plentiful, upstream narrowing could be more extensive. In all cases where the bed was hard (predominantly chalky clay), very distinct pools and upstream ‘runs’ were formed. Where-ever possible the bed of the narrowed channel upstream of the pools was shallowed by adding material dug from the pools – this could only be done where flints or firm clay formed the substrate.Where the bed was pure soft peat, the distinction between the narrowed channel upstream, and the deepened channel downstream, was much less. Had deflectors not already been present in the channel, it would have been difficult, or impossible, to establish narrowing upstream......the deflectors now form the downstream edges of the shoulders. Without reeds/sedge from adjacent to the river being added to these areas, they could not have been expected to be retained in the long term. expected to be retained in the long term.)
Case study:Upper Idle Habitat Improvement Project + (River habitat improvement and fish pass removal assessments and geomorphological assessments)
Case study:River Alne Catchment Restoration Project + (River restoration - fencing and weir removal)
Case study:Hoffer Brook + (River restoration including use of plastic mesh to stabilise silt bed before bed raising with gravel. Creation of point bars, bank reprofiling and rebuilding and fencing were also part of the project.)
Case study:Beekherstel Reusel Baarschot-Diessen + (River restoration measures were implemente … River restoration measures were implemented to improve ecological values in the area, so that these meet WFD criteria, and to connect the stream with the regional ecological structure of the valley. There are multiple aspects of large-scale stream restoration in this area:- Flow velocity- Summer and winter flow dynamics- Varied vegetation banks and bed- Removing barriers for fish- Improving water quality- Climatological robustnessAs part of this large scale stream restoration, Building with Nature was implemented. A particular example is main channel mowing to improve channel flow.in channel mowing to improve channel flow.)
Case study:River Avon Our Water Environment + (River restoration works have been carried … River restoration works have been carried out along a high-energy reach of the River Avon within the River Spey Special Area of Conservation (SAC) in Cairngorms National Park. The project encompasses green engineering woody structures and sediment management, as well as water margin management and riparian planting. The aim is to improve the capability of the watercourse to cope with high flow events, reduce excessive erosion and to protect in-channel and riparian habitats, as well as farm livelihoods and infrastructure. The works were carried out as a Scottish Rural Development Programme (SRDP) Agri-Environment Climate Scheme (AECS), supported and managed by a National Lottery Heritage Funded partnership (Tomintoul & Glenlivet Landscape Partnership) as part of their wider ‘Our Water Environment’ project running across the Tomintoul and Glenlivet area.nning across the Tomintoul and Glenlivet area.)
Case study:Enhancements in Hampstead Heath + (River restoration, wetland creation and storm water attenuation. Reasons for enhancements: Amenity, PR, biological enhancements, storm water attenuation)
Case study:Restoring of ecological connectivity and implementation of activities improving functioning of the free river migration corridor + (River valleys have been transformed, built … River valleys have been transformed, built up and partitioned for decades. This led toa disruption in water management – an increased risk of flooding and drought. The degradation of valleys and riverbeds has caused a reduction in the population or even total extinction of many species of aquatic organisms. Fifteen of the twenty-one fish species living in Biała Tarnowska need access to stony or gravelly ground to live. Riverbeds of this type are found in the upper part of the drainage basin, but access to them is blocked by numerous weirs and dams located along the river. In some cases, they will improve the functioning of water intakes. The planned activities will improve the natural and landscape values of the Biała Valley and will positively influence the development of tourism and fishing.The liquidation or modernization of these obstacles and the renaturalization of the riverbed fragments will not only create better living conditions and migration of fish but will also increase the flood safety of residents.The project covers the following municipalities: Uście Gorlickie, Grybów, Bobowa and Ciężkowice. It is a continuation of earlier activities leading to an increase in the biodiversity of the river valley by restoring the habitats of native species of plants and animals and creating favorable conditions for their living and free movement.PROJECT GOALS1. Reconstruction of 15 barrages and weirs in such a way as to enable fish migration while guaranteeingthe safety of water intakes and bridges during highand low water levels. This will allow two-way fishmigration along the entire length of the river.2. Creation of a erodible corridor of river migration,which means enabling the river on several sections tomeander freely and launch natural erosion processes in the river, and debris transportation. As a result,erosion of the bottom will decrease, and the condition of the riverbed and habitats of living organisms willimprove. Natural retention will also increase and this will improve the flood safety for residents.ll improve the flood safety for residents.)
Case study:Dovers Corner + (Riverbank enhancements and naturalisation. … Riverbank enhancements and naturalisation. The bank is currently degraded, base and in poor condition. Some sections are also toe-boarded and over-shaded. The section could be improved to increase habitat diversity and the quality of the river corridor. This is of particular relevance to support future populations of water voles along the river.opulations of water voles along the river.)
Case study:Greater Thames Estuary Fish Migration Roadmap + (Rivers play an important role in our envir … Rivers play an important role in our environment: regulating flood risks, transporting sediments and supporting biodiversity. Many of these services are linked to factors that indicate river health such as river flow and connectivity. River network connectivity influences species migration, diversity, and habitat occupancy.Rivers in the North Sea region are some of the most fragmented by human development in the world due to the presence of artificial structures installed for water management. Man-made water management structures, or barriers, like weirs, sluices and locks can significantly delay and hinder the movement of migratory fish species subsequently reducing their diversity and abundance.The Greater Thames Estuary Fish Migration Roadmap project seeks to pull together all barrier, pass, habitat, flood risk and development opportunity area data in one place to develop a strategic approach that looks at rivers as migratory routes that fish would use. This ‘whole system’, sea to source approach enables the visualisation of river network connectivity in entire catchments. It is an innovative tool designed to educate and inform decision making when it comes to habitat creation and enhancement, river restoration, riverside development and flood risk assessment.ide development and flood risk assessment.)
Case study:Ruppoldingen + (Ruppoldingen in the River Aare is a good e … Ruppoldingen in the River Aare is a good example of a combination of a long bypass channel with reproduction habitats and a fish pass near to the power plant. The bypass was constructed in 2001 during the renewal of the power plant at the place of the old headrace channel. The planning and construction of the bypass at Ruppoldingen served as the first example to gain experience for similar constuctions in other power plants and especially for the large facilities in Rheinfelden.In Ruppoldingen, the aim was to mitigate the impacts of the hydropower plant, allowing free fish migration and compensate for loss of habitats and also to design a small river that creates habitats for the fish that are typical for the area. The scheme was two-fold. Firstly a 155 meter long natural fish pass close to the turbines. The mean gradient of the fish pass is 3.8%. A second length was also created further downstream of the plant as the bypass that is 1,2 km and mean gradient 0,5%. 2-5 m3/s is lead to the bypass channel as environmental flow. A rock cascade fish pass connects the bypass to the power plant. This channel comprised two arms, one which was shallower with gravel riffles installed and a deeper channel for migration. The aim was to re-create a natural alpine stream. According to monitoring, juveniles of greyling have been found in the bypass channel and big fish species like pike, carp, barbell and wells catfish have used it. These suggests that the bypass channel is providing a new reproductive area.By the measures at Ruppoldingen the power company Alpiq has got the Naturemade Star -certification which is considered to be the most demanding Green Electricity Certification for hydropower. Electricity Certification for hydropower.)
Case study:SEE River Project + (SEE River Project is intended to reach a c … SEE River Project is intended to reach a common agreement on river corridor management for harmonisation of both – development and conservation interests. This will be achieved by close cooperation of experts from wide range of fields from different countries and active involvement of stakeholders from local river areas and national or regional authorities. The project is introducing a new approach to river and land management by focusing on the river corridor as the selected, local river area where most pressures occur.Project activities and findings will result in the SEE River Toolkit, a generally applicable and innovative model and guidance on how to reach future sustainable use of river corridors by taking into account and harmonizing different stakeholder interests. To develop and implement the SEE River Toolkit, project research, field work and active involvement of stakeholders will be performed in river corridors of 6 SEE rivers: Drava, Bodrog, Neretva, Prut, Soča and Vjosa. The project lasts from October 2012 until September 2014.ts from October 2012 until September 2014.)
Case study:Mains of Dyce + (SEPA required the culverted channel to be … SEPA required the culverted channel to be “re-daylighted”. The overarching aim was to restore catchment scale processes as much as possible, taking a long term sustainable rather than quick fix approach. Constraints on the scale of restoration included: large housing development close by, lack of a catchment scale management plan, lack of funding and knowledge.Housing developer initially carried out works, resulting in an unstable channel design. Two one in ten year flooding events which occurred in 2009 caused severe incision of the channel up to 2.7 meters, which in total was estimated to have removed 539m3 of material.cbec eco engineering was subsequently contracted to re-design the channel. Step-pool design was chosen based on modelling. Works included bed and bank profiling, and step construction from boulders and smaller cobbles/gravels. Monitoring has indicated that channel design is stable.s indicated that channel design is stable.)
Case study:The South Hams River Improvement Project (SHRImP) + (SHRImP is a partnership project that will … SHRImP is a partnership project that will use Catchment Restoration Funds to manage restoration work to deliver habitat improvements on the South Hams Rivers. The partnership, led by the Westcountry Rivers Trust, has been carrying out river restoration and undertaking works to address the causes of Water Framework Directive issues for many years.Through restoration work the project will address issues including:sediment which has a direct adverse effect on water quality; barriers to fish migration, preventing fish from reaching their natural spawning grounds; fertiliser run-off into rivers which can cause nutrient enrichment and have a negative impact on river ecology; acidified moorland that creats low pH levels that are detrimental to the river’s ecological health;interrupted conveyance of river gravels, reducing spawning habitats for salmonids. reducing spawning habitats for salmonids.)

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