Case study:Wellow Brook Habitat Enhancement Project

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Location: 51° 17' 26.26" N, 2° 29' 7.53" W

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Project overview

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Status	Complete
Project web site	http://http://www.bristolavonriverstrust.org/the-wellow-brook-project/
Themes	Environmental flows and water resources, Fisheries, Habitat and biodiversity, Social benefits
Country	England
Main contact forename	Harriet
Main contact surname	Alvis
Main contact user ID	User:H.alv
Contact organisation	Bristol Avon Rivers Trust
Contact organisation web site	http://www.bristolavonriverstrust.org
Partner organisations
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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The aims of the project were: •To draw attention to the brook and to highlight how local people could make a difference in maintaining it and improving it in the future, whilst also making some improvements to the brook. •To open up the river by coppicing a short stretch which would be immediately noticeable to local residents and to provide views along the brook which were previously hidden. This would also allow extra light into the brook and along it’s bankside to promote plant growth and increase the productivity of the river. •To construct in-stream woody structures along the newly cleared stretch to introduce some variability to the flow pattern of the brook within its natural banks. It was intended that these structures would also act as refuges and habitats for juvenile fish, including the small numbers of brown trout present in the area. •To patch areas of bank erosion along the site using natural woody materials. • To investigate other areas of the river for the future to offer ongoing solutions and opportunities for local people and the local authorities to continue improvement and maintenance of the town’s most valuable natural asset.

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Image gallery

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Gravelled access ramp

One of the brushwood berm structures

Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name Wellow Brook WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body No National/international site designation Local/regional site designations Protected species present No Invasive species present No Species of interest Dominant hydrology Dominant substrate River corridor land use Average bankfull channel width category Average bankfull channel width (m) Average bankfull channel depth category Average bankfull channel depth (m) Mean discharge category Mean annual discharge (m3/s) Average channel gradient category Average channel gradient Average unit stream power (W/m2) Project background Edit project background Reach length directly affected (m) Project started 2015/01/01 Works started Works completed Project completed Total cost category Total cost (k€) Benefit to cost ratio Funding sources Cost for project phases Phase cost category cost exact (k€) Lead organisation Contact forename Contact surname Investigation and design Stakeholder engagement and communication Works and works supervision Post-project management and maintenance Monitoring Reasons for river restoration Edit reasons for restoration Mitigation of a pressure Overshading Hydromorphology Biology Fish, Fish: Abundance, Habitat variability Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor Planform / Channel pattern Introducing large woody debris, Brushwood berms to increase scour on the gravels, Habitat creation, Creation of fish refuge areas, Cut back of trees Other Non-structural measures Management interventions Social measures (incl. engagement) Other Monitoring Hydromorphological quality elements Edit Hydromorphological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Biological quality elements Edit biological quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Physico-chemical quality elements Edit Physico-chemical quality elements Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Any other monitoring, e.g. social, economic Edit Other responses Element When monitored Type of monitoring Control site used Result Before measures After measures Qualitative Quantitative Monitoring documents Upload monitoring documents Additional documents and videos Upload additional documents Additional links and references Edit links and references Link Description http://www.somersetguardian.co.uk/Work-improve-brook-lead-area-rich-wildlife/story-25976978-detail/story.html Press coverage Supplementary Information Edit Supplementary Information