Case study:Ironbridge Farm

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Location: 51° 55' 41.94" N, 0° 31' 6.19" E

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Project overview

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Status	Complete
Project web site
Themes	Habitat and biodiversity, Water quality
Country	England
Main contact forename	Kieren
Main contact surname	Alexander
Main contact user ID	User:KierenAlexander
Contact organisation	Essex Wildlife Trust
Contact organisation web site	http://http://www.essexrivershub.org.uk/
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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This is a small scale project designed to enhance an existing wet woodland and rehabilitate an existing fen meadow. The fen meadow is currently dominated by stands of thistle and nettles which is choking out any interesting vegetation developing. The relative lack of water is also hindering the development of the alders in the wet woodland.

Whilst the river dynamics do not allow a perfect solution to be obtained, there is a lack of flows in the summer months and the river is extremely flashy in the winter months, we believe by inserting a pipe and a small concrete head wall the periodic flooding of the site can be increased and the site enhanced.

The additional flooding will suppress the weed growth and invigorate the alder trees. This project will have the benefit of increasing the amount of wet habitat along the river Pant and the fen meadow and wet woodland will also aid in reducing the amount of diffuse pollution entering the river by a combination of phosphate stripping and silt capture among the alder trees.

Monitoring surveys and results

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Fixed point photography and tree and flora surveys will study the land changes caused by the project.

Lessons learnt

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Catchment and subcatchment Select a catchment/subcatchment Edit the catchment and subcatchment details (affects all case studies in this subcatchment) Catchment River basin district Anglian River basin Combined Essex Subcatchment River name Blackwater Pant Area category 10 - 100 km² Area (km2) Maximum altitude category Less than 100 m Maximum altitude (m) 6868 m <br />0.068 km <br />6,800 cm <br /> Dominant geology Calcareous Ecoregion Great Britain Dominant land cover Arable and Horticulture Waterbody ID GB105037033860 Other case studies in this subcatchment: Bocking Blackwater River Restoration 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 Habitat creation, Landscape enhancement 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