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• Case study:Restoration of the river continuity on the Touques Basin  + (Counting of sea trout travelling upstream … Counting of sea trout travelling upstream at Breuilen-Auge</br>has been carried out since 2001. This</br>monitoring is implemented under an agreement</br>with the owner of the dam and of the fishway.</br></br>Reproduction areas accessible to sea trout have increased</br>sharply, thanks to improvements works</br>carried out over the past 30 years. The proportion</br>of accessible surfaces thus increased from 15% before</br>1982 to 86% in 2009. The sea trout travelling</br>upstream monitored at the Breuil-en-Auge fishway</br>represented 2,500 fish in 2001 and more than 6,000</br>in 2008, a figure confirmed in 2009 with over 5,500</br>sea trout. As the monitoring station was located</br>upstream to many tributaries, the current Touques</br>stock is therefore now 10,000 sea trout, making it</br>not only the number one river in France for sea trout</br>but also one of the best in all of Europe. These very</br>good results are accompanied by a significant rise in</br>fishing tourism.</br></br>The scale of these actions and their results make the</br>Touques basin a benchmark for continuity in the</br>Seine-Normandie basin.</br></br>The Touques axis is completely open to migration,</br>but there are still a dozen or so more obstacles upstream</br>of the tributaries. There are several projects</br>under way. The most penalizing obstacle lies in the</br>middle part of the Calonne. This obstacle, devoid of</br>fish passes despite the regulatory obligations, neutralises</br>the efforts already made upstream in the</br>Eure département due both to the obstruction of</br>upstream fish migration but also damage caused by</br>the turbine on fish returning to the sea. the turbine on fish returning to the sea.)
• Case study:Oude Leij  + (Due to maintenance problems, the block structure had to be adapted. It will therefore take longer for monitoring results to come in.)
• Case study:Robledo de Chavela dam removal  + (Due to the problems of sediment contaminat … Due to the problems of sediment contamination stored upstream of the dam, a study</br>was carried out prior to the removal in order to make a diagnosis of the sediments and</br>their treatment. A plan is implemented to remove some of these sediments and place</br>them in higher areas where they were confined and stabilized by planting native</br>vegetation.</br>Two years after the removal of the dam, a monitoring plan was conducted to measure:</br></br>- Physicochemical parameters of water as temperature, dissolved oxygen,</br></br>conductivity and pH.</br></br>- Habitat availability.</br></br>- Quality of the riparian forest.</br></br>- Flora (macrophytes) and fauna (macroinvertebrates and fish) present in the</br>river, as well as exotic species.</br></br>The fish community in the Cofio River near the Robledo dam is: Rainbow trout</br>(Oncorhynchus mykiss), Iberian barbel (Luciobarbus bocagei), chub (Squalius</br>pyrenaicus), calandino (Squalius alburnoides) and Iberian gudgeon (Gobio lozanoi),</br>being Squalius alburnoides the dominant specie. All are native species of the Tajo River</br>Basin except from the rainbow trout that is exotic and comes from sport fishing.</br></br>Sampling points were determined both upstream and downstream from where the</br>dam was located. The main results of this monitoring show clear signs of recovery in</br>the river reach affected by the presence of the dam, with some differences between</br>the areas that were located upstream and downstream of the dam.ocated upstream and downstream of the dam.)
• Case study:Ennerdale Mill Weir Removal  + (Durham University undertook Archaeological … Durham University undertook Archaeological Monitoring in 2017 and during the removal in 2018</br></br>Immediately post-removal WCRT have been conducting regular fixed-point photography across the site, to highlight how the river adapts and responds to being re-naturalised.</br></br>Drone-captured aerial imagery has also been recorded post-removal; once collated this can be contrasted with the footage captured pre-removal for before-and-after analysis pre-removal for before-and-after analysis)
• Case study:Restoring sea-trout and salmon habitat in Aurlandselva  + (E-CO have continuos data from detailed mon … E-CO have continuos data from detailed monitoring reaching back to 1988 on fish population (salmon and sea trout). We also have data on the invertebrate community in the river from before the hydro-power development started. There are also physio-chemical data, and continous data on discharge and water temperature. There are also data on the efficiency of the fishway, both for fish migrating up and downstream.</br></br>The data will be published in a small summary report at a later stage.n a small summary report at a later stage.)
• Case study:Source to Sea Programme – 1. Leighton Moss Resource Protection  + (Each month seven water samples are collected by the RSPB on the Leighton Reedbed and six at Hawes Water. Each quarter this is extended to include three on Barrow Scout and two on Silverdale Moss (18 in total). Samples are sent off for analysis.)
• Case study:Dunston Beck Restoration  + (Ecological surveys completed before (2014) … Ecological surveys completed before (2014) and after (2015 & 2016)the restoration works have shown that that invertebrate diversity has increased since the improvement works and the trout population has nearly doubled on the improved section of the beck. Engagement and involvement of the landowner has ensured that the improvements will be protected during any future maintenance works.protected during any future maintenance works.)
• Case study:Aston Clinton River Restoration  + (Ecologists in the Environment Team at Buck … Ecologists in the Environment Team at Buckinghamshire County Council carried out an initial assessment once the project was complete to establish what life was found in the newly created watercourse. They plan to carry this out annually to see how the river develops and establishes over time. river develops and establishes over time.)
• Case study:Merton Abbey Mills Eel Pass  + (Eel pass installed using a design that incorporating an eel trap for monitoring purposes - pass is already being used.)
• Case study:Stony Stratford Sluices Bypass Channel  + (Electric Fishing surveys to be carried out in the first summer following completion.)
• Case study:Ripley Brook WFD ENV0001872C, Ripley Brook NFM - ENV6002091R  + (Electrofishing and invertebrate sampling, ditch blocking and water level monitoring, wet weather surveys)
• Case study:River of Life  + (Electrofishing will be repeated post proje … Electrofishing will be repeated post project to assess Water Framework Directive improvement for fish. </br>An ecosystems services assessment will be carried out post-project. This aims to assess if land productivity can be maintained, or even improved post project. </br>Water quality monitoring will be carried out to assess the effects of reedbeds and other measures.</br>A three year programme of pre-project water level monitoring is already complete and has informed the location of different habitat types as part of the overall design phase.</br>Ecological monitoring will continue on from the pre-project baseline, including mapping of protected, rare or locally significant species at the site. </br>There will be a range of opportunities for volunteering during phases two and three of the project, as well as part of the subsequent management of the site to undertake monitoring and maintenance, coordinated by the Earth Trust.intenance, coordinated by the Earth Trust.)
• Case study:Effacement partiel du seuil Cros sur la Dunière  + (En 2006 et 2009, un état initial du compar … En 2006 et 2009, un état initial du compartiment</br>physique a été réalisé : suivi de la zone d’infl uence</br>de l’ouvrage, de l’état du maintien des berges, de</br>l’estimation du risque d’érosion régressive par la</br>réalisation de profi ls en long et en travers. En 2007,</br>un suivi visuel des frayères à truite a également été</br>effectué en amont et aval de l’ancien seuil.</br></br>Une évaluation de l’état des berges et de la ripisylve a</br>également été entreprise avec le propriétaire riverain.</br></br>Après les travaux, un suivi photo est réalisé afi n de</br>surveiller l’évolution morphologique du site (érosion</br>régressive). Le suivi des frayères à truite est poursuivi</br>en 2009 et 2010. </br></br>L’arasement du seuil de Cros a permis de rétablir la</br>continuité sur un tronçon de 3,7 km de long.</br></br>Les gains au niveau de la morphologie et de la biologie</br>sont déjà visibles deux mois après les travaux :</br>le retour d’une diversité de faciès et d’écoulements</br>est constaté. La zone lentique en amont, auparavant</br>créée par l’ouvrage, a laissé la place à un secteur de</br>plat courant-radier sur une centaine de mètres. La</br>totalité des écoulements est libérée. </br></br>À l’échelle du tronçon - quelques centaines de mètres de</br>linéaire - une alternance de radiers-mouilles est retrouvée.</br></br>Le suivi des frayères à truite montre une recolonisation</br>rapide de la zone en amont de l’ancien seuil :</br>14 frayères fonctionnelles ont été dénombrées en</br>décembre 2009 alors qu’aucun substrat de ponte</br>n’était observé en 2007.</br></br>La hauteur résiduelle du seuil est inférieure à 30 cm</br>en période d’étiage. L’ouvrage est transparent lors</br>des périodes de migration de la truite notamment.</br></br>Sur le secteur, aucune érosion régressive n’est constatée,</br>ni d’effondrement de berges.</br></br>L’objectif de restauration de la continuité est atteint.</br>Toutefois, l’ampleur du linéaire rouvert est limitée</br>par la présence de deux seuils : l’un de plus de 1,5 m</br>de haut et situé à 2,2 km en aval, qui reste infranchissable</br>pour les espèces piscicoles ; l’autre, situé 1,5 km</br>en amont, d’une hauteur de 2 m.</br></br>Cette opération pilote pour le Sicala est l’une des</br>premières opérations d’arasement réalisées sur le</br>bassin versant. Elle a, par la suite, servi d’exemple</br>pour quatre autres réalisations d’effacements d’ouvrages</br>sur le bassin.</br></br>Dans le cadre du CRE, d’autres opérations de</br>restauration de la continuité écologique ont été mises</br>en œuvre : trois autres arasements ont été réalisés en amont de la commune de Dunières, puis un autre sur le</br>Gournier, affl uent en rive droite de la Dunière. Le Sicala</br>a également procédé au remplacement d’un passage</br>busé sur un affl uent (le Charrerogne) par un pont</br>cadre, décloisonnant ainsi totalement l’affl uent. Enfi n,</br>deux autres ouvrages ont bénéfi cié de l’installation</br>d’une passe à poissons au niveau de la commune de</br>Dunières (lieu-dits : Berthollet) et boulodrome.es (lieu-dits : Berthollet) et boulodrome.)
• Case study:Effacement du seuil de Chelles Basse sur le Miodet  + (En termes de réalisation des objectifs, ce … En termes de réalisation des objectifs, cette</br>action est une réussite puisque le transport</br>des sédiments est rétabli et la libre circulation</br>des poissons est rouverte sur un tronçon de</br>quatre km. Visuellement, le milieu s’est diversifi</br>é, on observe une granulométrie plus grossière</br>et plus hétérogène. Des radiers et des</br>habitats favorables pour des frayères réapparaissent.</br>Les berges commencent peu à peu</br>à se revégétaliser. Cependant, le linéaire rouvert</br>suite à l’effacement du seuil est limité par</br>la présence, en aval, du barrage de Sauviat,</br>situé à la confl uence Dore-Miodet, qui bloque totalement la continuité sur le cours d’eau. Il</br>n’est pas prévu à l’heure actuelle de réaliser</br>une quelconque action pour la restauration</br>de la continuité au niveau de ce barrage. </br></br>Localement, les travaux réalisés sur le seuil de</br>Chelles Basse ont été controversés. L’opération</br>a souffert d’un grand manque de communication.</br>Du fait de l’opportunité d’intervention</br>(volonté du propriétaire) et de la</br>localisation du site (isolé dans la forêt, sans</br>enjeux ni usages), les travaux ont été réalisés</br>rapidement, sans information ou consultation</br>préalable de la population locale sur</br>le contenu du projet. Après la réalisation de</br>l’effacement, les propriétaires situés plus en</br>aval ainsi que les protecteurs de moulins ont</br>exprimé leur désaccord au sujet de la destruction</br>d’un ouvrage considéré comme patrimonial,</br>appuyés par la critique d’un article</br>paru dans un journal local. Des réunions de</br>communication ont été organisées suite aux</br>travaux, avec les riverains et les services techniques</br>du CRE, afi n d’expliquer la démarche</br>d’opportunité de cette opération, les motivations</br>du projet et favoriser son acceptation.</br></br>Le prochain contrat territorial reprendra les</br>thématiques du CRE 2005-2010 et des actions</br>(non programmées encore) seront envisagées</br>dans le cadre de la restauration de la</br>continuité écologique. restauration de la continuité écologique.)
• Case study:Habitat Enhancements, River Glaven at Wiveton, Norfolk  + (Enhanced habitat along approx. 70 meters of the river Next steps: To monitor the impact of these improvements to inform plans for further works along a much longer stretch.)
• Case study:Markeaton and Mackworth Brook (MMB) Project  + (Environment Agency funding has paid for 1. … Environment Agency funding has paid for 1.3 km of bankside fencing, 6 cattle drinking areas and a pasture pump. This will restrict livestock access to the brook and will help improve water quality. There will be reduced sediment and phosphate flows into Mackworth Brook, reduced floods flows to the Derwent, improved amenity at the site and an education tool for SuDs.t the site and an education tool for SuDs.)
• Case study:Kirkstall Valley Weir Fish Passes Project  + (Evidence suggests(although it cannot be categorically proved) that Salmon are getting past the Kirkstall weirs as a result of the project and other weir removals in the catchment.)
• Case study:Reest  + (Extensive groundwater monitoring shows tha … Extensive groundwater monitoring shows that the upstream groundwater level is rising, which was the intended effect of the measures taken. Locally, the stream is becoming significantly narrower due to vegetation growth in the treated areas. The measures have not been in effect long enough to draw conclusions about the effect on macroinvertebrates and fish.the effect on macroinvertebrates and fish.)
• Case study:Pearls in Peril LIFE+ GB Project - Afon Eden  + (Extensive monitoring work has been complet … Extensive monitoring work has been completed and reported. The monitoring work includes sonde analysis, water quality spot sampling, redox, macroinvertebrates, diatoms, fish and freshwater pearl mussel survey.</br></br>Redox results show a clear trend towards improved dissolved oxygen content in the substrates adjacent to and downstream of the Brynteg forestry block, indicating conservation measures at this site are having immediate positive results. Glochidial surveys indicated that trout are the preferred host fish as part of the freshwater pearl mussel lifecycle. However, electro-fishing also indicated that trout were the least abundant fish in the Afon Eden. As such, conservation measures that improve the status of the trout population would also be beneficial for freshwater pearl mussel. The on-going monitoring on the Eden has helped to focus the conservation work the project has implemented.ervation work the project has implemented.)
• Case study:Bird reserve “El Clot” (Tarragona)  + (First, farmers began to cultivate ecologic … First, farmers began to cultivate ecologic rice and decrease the use of chemical components. Some rice paddies were converted into wetlands with the introduction of Phragmites australis and other techniques works. Furthermore, Iris pseudacorus were installed in the shore of wetlands. So much vegetation recovered and new natural spaces were created.vered and new natural spaces were created.)
• Case study:Salmonid, coarse fish and wetland bird habitat and flood plain linkage project, Hampshire Avon  + (Fish using new woody habitat at Avon Tyrel … Fish using new woody habitat at Avon Tyrell. Salmon redds on new riffles and cleaned gravels. Monitoring of juvenile fish using fry bays. Presence of coarse fish fry in fry bays. Presence of waders. Fixed point photography to show the changes made by the project. This monitoring will all help with future delivery of projects and give us demonstration sites we can show to angling clubs and landowners. </br>The only monitoring that was not able to take place were the red counts as the weather was too severe, making the water too muddy and clouded to be able to undertake surveys.d clouded to be able to undertake surveys.)
• Case study:Manor House Gardens Gauging Station  + (Fisheries survey<br> Pre-project data<br> Stated objectives)
• Case study:Lewisham College weir  + (Fisheries survey<br> Stated objectives<br> Pre-project data)
• Case study:Habitat Improvements on the River Colne at West Drayton  + (Fisheries survey<br>River Habitat Survey<br>River Corridor Survey)
• Case study:Removing Sheepmount weir, River Caldew, Carlisle, Cumbria  + (Fixed point photographs will be used to monitor the visible physical effects on the river of removing the weir.)

• Case study:Stony Stratford Sluice bank repairs  + (Fixed point photography)

• Case study:Bourne End Recreation Ground River Enhancement Project  + (Fixed point photography before, during & after the works. Monthly riverfly monitoring - Anglers Riverfly Monitoring Initiative (commenced September 2015))
• Case study:Bocking Blackwater River Restoration  + (Fixed point photography will be used to mo … Fixed point photography will be used to monitor physical changes both post and pre work. In addition a baseline survey of macrophytes, invertebrates and water quality surveys – data gathered will include – turbidity, sediment, Ammonia/Dissolved Oxygen/Phosphate using field phosphate sampling equipment. This project site will be resurveyed against baseline at the conclusion of the project in 2015. at the conclusion of the project in 2015.)
• Case study:Plough Hill Farm Meander and Wet meadow restoration  + (Fixed point photography will be used to assess vegetation changes and changes in river performance.)
• Case study:Guphill Brook Riverine Enhancement  + (Fixed point photography. Invertebrate sam … Fixed point photography. </br>Invertebrate samples at bank regrading points and woody debris installations before works and 2 years after works. </br>Botanical survey of site before works and 2 years after works. </br>Short film documenting enhancement techniques and volunteer involvement.ment techniques and volunteer involvement.)
• Case study:RESTORATION OF THE GORIŠKI BREŽIČEK STREAM  + (Floristic inventory and monitoring of the … Floristic inventory and monitoring of the plant species composition of the habitat types in the areas of restored riverbeds as a tool in assessing the changes caused by rerouting the Goriški Brežiček and Tresenec streams. The action will be carried out by the park staff and funded by Notranjska regional Park.</br></br>Floristic inventory and monitoring of the plant species composition of the habitat types in the areas of restored riverbeds of Goriški Brežiček and Tresenec streams in order to notice possible establishing of invasive plant species, for example Himalayan Balsam (Impatiens glandulifera), Canada (Solidago canadensis) and Giant Goldenrod (Solidago gigantea), Cutleaf Coneflower (Rudbeckia laciniata), Topinambur (Helianthus tuberosus) and allochthonous species of the genus knotweed (Fallopia). Establishing is possible because construction machinery used for restoration is known to be disperser of these species and because of the suitable habitat. These plants will be manually removed, should they show up. The action will be carried out by the park staff and funded by Notranjska regional Park.</br></br>Suitable management of banks to ensure habitat diversity and accessibility; water weed management to prevent the clogging of the watercourse; dredging of the riverbeds as a rejuvenating process; bank protection to prevent erosion where needed in the areas of restored riverbeds of Goriški Brežiček and Tresenec streams will be implemented. The action will be carried out by the park staff with the external assistance where needed and funded by Notranjska regional Parkded and funded by Notranjska regional Park)
• Case study:RESTORATION OF THE TRESENEC STREAM  + (Floristic inventory and monitoring of the … Floristic inventory and monitoring of the plant species composition of the habitat</br>types in the areas of restored riverbeds as a tool in assessing the changes</br>caused by rerouting the Goriški Brežiček and Tresenec streams. The action will</br>be carried out by the park staff and funded by Notranjska regional Park.</br></br> Floristic inventory and monitoring of the plant species composition of the habitat</br>types in the areas of restored riverbeds of Goriški Brežiček and Tresenec streams</br>in order to notice possible establishing of invasive plant species, for example</br>Himalayan Balsam (Impatiens glandulifera), Canada (Solidago canadensis) and</br>Giant Goldenrod (Solidago gigantea), Cutleaf Coneflower (Rudbeckia laciniata),</br>Topinambur (Helianthus tuberosus) and allochthonous species of the genus</br>knotweed (Fallopia). Establishing is possible because construction machinery</br>used for restoration is known to be disperser of these species and because of the</br>suitable habitat. These plants will be manually removed, should they show up.</br>The action will be carried out by the park staff and funded by Notranjska regional</br>Park. </br></br>Suitable management of banks to ensure habitat diversity and accessibility; water</br>weed management to prevent the clogging of the watercourse; dredging of the </br>riverbeds as a rejuvenating process; bank protection to prevent erosion where</br>needed in the areas of restored riverbeds of Goriški Brežiček and Tresenec</br>streams will be implemented. The action will be carried out by the park staff with</br>the external assistance where needed and funded by Notranjska regional Parkded and funded by Notranjska regional Park)
• Case study:River Idle Hallcroft (Tiln) Weir Fish Pass  + (Following implementation of the fish pass … Following implementation of the fish pass improvements, we will monitor the impact through on-going survey work, which can be compared to past survey results. We have long term monitoring sites up and downstream of Hallcroft weir that have been monitored since the 1990’s - upstream at Eaton and downstream at Chain Bridge. Samples are usually taken in early May, so there will be a sample just before the project takes place and then we will get post project result the following May. These standardised monitoring results can also be compared to catch returns from the local angling clubs.atch returns from the local angling clubs.)
• Case study:Guash Habitat Restoration Project (Phase 1 and 2)  + (Following the implementations, the river seems more biologically active with greater fish populations. The flow of the channel is also greatly improved and the issues of slow velocities and silting-up of the channel are no longer present.)
• Case study:River Witham Great Ponton  + (For all phases, visual inspections and reg … For all phases, visual inspections and regular fixed-point photographs are being undertaken to monitor the integrity and performance of the enhancement works and record any changes they are making to river morphology. Specific to Phase 2, modifications to the channel profile as a result of the woody material introduction upstream of Dunkirk Cottage can be determined by comparison with a baseline cross-section in this location and the effects on turbidity and invertebrate populations will also be monitored here. For phase 3, in addition to an annual redd (trout spawning “nest”) survey of the new riffles, the established annual fish monitoring downstream of Easton Walled Garden and invertebrate sampling at Easton Lane Bridge will be used to detect any changes as a result of the works.tect any changes as a result of the works.)
• Case study:Soaring connections: restoring people, wildlife & place  + (For all sites where construction work has … For all sites where construction work has taken place an extended phase 1 habitat survey and subsequent protected species surveys including badger, otter, bat and water vole have taken place. A large amount of badger work had to be done including closing a number of setts under license. On-going monitoring took place during and after the construction works. A mitigation sett was created and is well used with new foraging routes and evidence of bedding being changed.</br></br>All of the new planting works are subject to a 5 year monitoring and maintenance program to ensure establishment. The areas are vegetating up well and will be regularly checked by a landscape architect to ensure they continue in this way.</br></br>The EA has a regular WFD monitoring looking at the biological and physio-chemical elements of the watercourses in the area. </br></br>Beetles and incidental invertebrates are being recorded by a volunteer VC55 Recorder at Ellis meadows to record pioneer species. Botanical surveys for the phase 1 works are being undertaken by the city ecologist and the Leicestershire & Rutland Ornithological society undertake monthly bird recording </br></br>Waterside Care groups report on group activity and habitat work. To date the river Soar groups have undertaken 348 volunteer hours and removed 98 bags of rubbish from the Soar and undertaken & water quality testing activities. This water quality data is submitted to the EA and in time we will be able to monitor any change. In addition six community groups around the city monitor water quality and submit results to FreshWater Watch </br></br>The University of Southampton have undertaken a sediment fingerprinting study on the Willow brook catchment and this will feed into future work on NFM and sediment management.d into future work on NFM and sediment management.)
• Case study:Wensum River Restoration Strategy  + (For each scheme we monitor the impacts of restoration on fish, invertebrates, aquatic macrophytes, and protected species (e.g. water vole). Fixed point photography is also undertaken.)
• Case study:Day Brook Rain Gardens  + (For evaluation including results of resident acceptance survey and data of rain garden hydrological performance see http://www.susdrain.org/case-studies/case_studies/nottingham_green_streets_retrofit_rain_garden_project.html)
• Case study:River Wandle: Silt & SuDs  + (For wider project benefits as part of the … For wider project benefits as part of the larger "River Wandle Restoration Scheme" please see the parent project. </br></br>Monitoring was completed for Mycofilters, Siltex, Smart Sponges and Downstream Defenders. </br></br>Downstream Defenders: A Downstream Defender (DD) was monitored using upstream and downstream flow meters and water samples were taken using autosamplers during heavy rainfall events. Samples were sent to a UKAS accredited lab to be analysed, and contaminant load was calculated. The surface water pipe along which the DD was positioned had unexpectedly high flows (up to 50 l/s). When flows were within the operating range of the DD it was effective at removing around 47% of Total Suspended Solids (TSS), however, over the a whole data period it removed 9%. These numbers are within the range found by Dr Thomas Curwell, who investigated multiple rainfall events in DDs and found that they were effective in removing 9-49% TSS. Despite the low removal inefficiencies, the units remain the most effective measure if only a few square meters are available to SERT's knowledge, and are likely to have a cumulatively positive effect. The Trust are currently working on a sediment trap-wetland treatment train in an area where there is more space as an alternative method, following promising results from the scientific literature. </br></br>Mycofilters: Upstream and downstream water samples were taken for Mycofilter sites and control sites (using straw bags with no oyster mushroom). </br></br>Smart Sponges: The concentration of hydrocarbons collected in the gully pots with and without the sponges is being monitored.</br></br>Siltex: Silt and water are being monitored.iltex: Silt and water are being monitored.)
• Case study:Glaisdale Beck diversion scheme  + (From the analysis of over 2 years of river … From the analysis of over 2 years of river flow and in-stream sediment concentration data prior to, and following the diversion of Glaisdale Beck, it is clear that the sediment transfer regime has become more restrictive. This is evidenced by</br>- Reductions in median suspended sediment concentrations from 35.19 to 18.98 mg/L,</br>– 5 % reduction in flow-weighted mean sediment concentrations.</br>– Negative trend in sediment concentrations.</br>- Dampened response of sediment concentration during periods of high flow.</br></br>Although direct monitoring of the hydrology and sediment dynamics at Glaisdale beck was concluded in 2009, 2 years after the channel diversion, the longer term development of the site was observed through site visits up until 2014. During this period, continued erosion in the form of a headward migrating knick point (visible as a step in the river bed) has resulted in a progressive wave of channel instability that has migrated upstream. This is the response to over-steepening of the channel gradient in the vicinity of the original channel diversion. </br></br>Due to a lack of appropriately engineered grade control (drop) structures in the engineered reach this has resulted in channel bed lowering, bank undercutting and lateral bank failures upstream. During this time extensive bank erosion and channel widening occurred. At this particular site, erosion was evident only 2 weeks after the initial diversion with the knickpoint migrating through the reach, lowering the bed elevation. In response, the banks started to slump. However, due to increased channel width the final phase of bank collapse resulted in a soil wedge at the base of the bank which appears to have protected the toe of the bank preventing further lateral expansion.bank preventing further lateral expansion.)
• Case study:Dorset CPAF Projects  + (Frome: Plant and soil surveys twice a year … Frome: Plant and soil surveys twice a year to show enhanced diversification of floodplain sward through ditch clearance. Pre and post electrofishing surveys to monitor improvements to fish habitats in the opened up channels.</br>Corfe River: Pre and post photographs over a number of years and water quality testing to show development of marginal vegetation and improvements to historically badly managed areas.</br>Bourne Stream: Bathing water quality testing to monitor changes in water quality entering the Sea from the Bourne.</br>Tarrant: Plant and soil surveys twice each summer for 5 years and monthly Dipwell data to be written up annually and evaluated at the end of 5yrs.</br>Stour: Netting of fry bays to see use by coarse fish during regular periods throughout the year.uring regular periods throughout the year.)
• Case study:Wellow & Cam Initiative  + (Further monitoring will be needed to deduc … Further monitoring will be needed to deduce the level of improvements resulting from our works. However, as a start, BART note the following:</br></br>Electrofishing surveys at 5 sites along the Wellow Brook (pre-barrier removal and woody habitat installation)</br></br>Visibly improved flow diversity – levels dropped by 0.5 metres and new gravel bars and riffles exposed</br></br>Visibly reduced sedimentation of the riverbed in the weir removal project areas which will result in improved spawning potential in the coming years.</br></br>Local angling club feedback: “Mayflies absolutely off the chart at the moment, free rising trout and a squadron of ducklings in the background at the end of the clip. Heaven. The Wellow is having a super year @Bristol Avon Rivers Trust thanks for all the in-river improvements, they really seem to be having an impact!”</br></br>We have had a huge amount of positive feedback from our engagement sessions, including: “Thank you … it was a brilliant day. All the staff are now talking about taking their classes down to the river back and feeling more confident about the activity. The children learnt a lot about the creatures living in their local river and the parents thought it was a really well organised event.”ght it was a really well organised event.”)
• Case study:Restoration in Bognelva  + (Habitat diversity, bird species, fish densities are included. Improved fish density and catchment.)
• Case study:Hills to Levels  + (Half field trials have been undertaken to … Half field trials have been undertaken to assess the effect subsoiling and grassland aeration have on soil infiltration rates.</br>Leaky woody dams are being monitored to assess their effect on the flood hydrograph and in-channel geomorphology and habitats. FWAG SW are working with Bristol University and providing sites to monitor; so far monitoring equipment has been installed in a floodplain storage scheme and other sites are being identified for investigation.</br></br>Results to be made available in due course.esults to be made available in due course.)
• Case study:Healthy Rivers  + (Healthy Rivers works in close partnership … Healthy Rivers works in close partnership with NRW to monitor the rivers to access the impact of fish passes and modifications. Healthy Rivers works with NRW to electro fish rivers to monitor the fish stocks and carry out walkover to record salmon and trout redds. In the winter of 2013 walkover surveys discovered the presence of salmon redds in the upper reaches of the River Sirhowy for the first time in 100 years as a direct result of removing and modifying weirs further downstream. </br></br>Fish passes are regularly monitored to ensure that they are working effectively and not becoming clogged up with floating debris. Each project is evaluated upon completion to assess what went well and what could be done better next time. This evaluation process is essential in improving process and projects in the future </br></br>We record monthly programme data in Programme Performance Measures which records: number of projects, area of land improved, number of volunteers, schools engaged and litter and waste removed from green spaces. </br></br>Groundwork Wales is Investors In People certified and working towards Investors In Volunteers which requires regular monitoring and evaluation of volunteer experiences and reviews of training achieved by volunteers and staff.training achieved by volunteers and staff.)
• Case study:Anloërdiepje  + (Hydrological and ecological parameters are regularly monitored. This includes water levels, discharges, bed profiles, terrestrial biodiversity, water quality and macroinvertebrate numbers.)
• Case study:Zeegserloopje  + (Hydrological and ecological parameters are … Hydrological and ecological parameters are regularly monitored. This includes water levels, discharges, bed profiles, terrestrial biodiversity, water quality and macroinvertebrate numbers. The new mowing regime increases the inundation risk of upstream areas, which are mitigated by local mowing.reas, which are mitigated by local mowing.)
• Case study:Grote Aa  + (Immediately after mowing, variation in flo … Immediately after mowing, variation in flow velocity was observed and the fish population increased. However, the effect on water quality was very small. The water has remained eutrophic and the existing domination of floating vegetation was not broken. Instead, the species that were already abundantly present covered a larger area two years after mowing. The composition of the macroinvertebrate population differed between mowing regimes in the first year of the experiment, but showed a return to normal conditions in the second year.n to normal conditions in the second year.)
• Case study:Pearls in Peril LIFE+ GB Project - River Borgie  + (Implement improved riparian habitat in the River Borgie - commercial forestry within riparian zones will be replaced with native riparian woodland and old forestry drainage ditches will be blocked - 55280 tress planted in the target area.)
• Case study:Pearls in Peril LIFE+ GB Project - River Oykel  + (Implement improved riparian habitat in the River Oykel - commercial forestry within riparian zones will be replaced with native riparian woodland and old forestry drainage ditches will be blocked - 49,000 tress planted along the target area.)
• Case study:Pearls in Peril LIFE+ GB Project - River Evelix  + (Implement improved riparian habitat in the … Implement improved riparian habitat in the River Evelix - commercial forestry within riparian zones will be replaced with native riparian woodland and old forestry drainage ditches will be blocked - 3720 trees planted in the target area.</br></br>Reduce nutrient and sediment input from diffuse pollution sources in the River Evelix - the Evelix catchment will be surveyed, using established best practice methods, to establish potential diffuse pollution sources and their likely impacts on freshwater pearl mussel populations. The survey work will identify the key strategic points within the catchment where concrete conservation action to reduce nutrient and sediment inputs will be most appropriate. This will be delivered through SRDP schemes - pearl mussel surveys were undertaken at 16 locations over a wide area of the Evelix catchment. this facilitated a great understanding of the spatial distribution and abundance of pearl mussels in the catchment.undance of pearl mussels in the catchment.)