Case study:Dorset CPAF Projects

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Location: 50° 48' 0.41" N, 2° 0' 10.05" W

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Project overview

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Status	Complete
Project web site
Themes	Environmental flows and water resources, Fisheries, Habitat and biodiversity, Land use management - agriculture, Monitoring, Social benefits, Water quality
Country	England
Main contact forename	Jacob
Main contact surname	Dew
Main contact user ID	User:DorsetWR
Contact organisation	Dorset Wildlife Trust
Contact organisation web site	http://www.dorsetwildlifetrust.org.uk
Partner organisations	FWAG SW, Kingston Waurward College, Wessex Chalk Streams and Rivers Trust, Litter Free Coast and Sea, Dorset Coastal Forum, Bournemouth Borough Council
This is a parent project encompassing the following projects	Dorset CPAF Projects

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Project summary

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The Dorset Wildlife Trust CPAF projects delivered results through a series of specific projects, tailor-made for issues found on the ground across Dorset in a variety of locations. Projects on the Stour linked to the receptor coastal water bodies as well as supporting refuges for coarse fish populations. Projects on the Corfe showed proactive work and how small scale land management projects can benefit the water course. Projects on the Frome were linked to existing restoration plans and will engage with farmers of the future.

Frome (lower) - This project enhanced the wildlife value of the floodplain and slowed the flow of water with simple water control structures. Complementary works to increase light to ordinary watercourses through tree management and in channel enhancements to benefit fish interest were also undertaken. The project improved the floodplains link to the river and increased nutrient loading capacity.

The Corfe River - In 2014, FWAG SW undertook a scoping study of the waterbody to identify problems, restoration habitat opportunities (both in-channel and on adjacent riparian habitat) and potential land management change opportunities. From this, some simple and quick-win restoration projects were identified to help reduce bank erosion, create marginal habitat, and increase light to the watercourse. Pasture pumps and drinking troughs have been installed, Drinking bays fenced off, River margins fenced and Trees crowned to let light in and promote marginal vegetation growth.

Bourne Stream - Only Rain Down The Drain; A solution was needed to help Bournemouth town centre businesses (specifically food outlets to tackle the issues of surface water contamination leading to negative impacts on bathing water quality. The project focussed on improving understanding of what can and cannot be poured down surface water drains, the negative impact pollutants put into the drain can have on bathing water quality directly and the wider social and economic impacts to the area if poor bathing water quality is recorded at Bournemouth beaches. Businesses were motivated to change behaviour around surface water drains so that only rain goes down the drain.

Tarrant: The project is trialling techniques to successfully establish wetland plant/meadow communities in high nutrient conditions. The project will develop a bespoke species rich floodplain grassland/meadow seed mix and sow in a floodplain with the seed bank, soil fertility, site hydrology and ecology monitored over a 5yr period.

Monitoring surveys and results

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Catchment and subcatchment Select a catchment/subcatchment Site Edit site Name WFD water body codes WFD (national) typology WFD water body name Pre-project morphology Reference morphology Desired post project morphology Heavily modified water body National/international site designation Local/regional site designations Protected species present Invasive species present 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 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 Hydromorphology Biology Physico-chemical Other reasons for the project Measures Edit Measures Structural measures Bank/bed modifications Floodplain / River corridor Planform / Channel pattern 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 Supplementary Information Edit Supplementary Information