Case study:Holmsley Inclosure Stream Restoration

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Location: 50° 48' 0.41" N, 1° 41' 4.88" W

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Project overview

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Status	Complete
Project web site
Themes	Environmental flows and water resources, Habitat and biodiversity
Country	England
Main contact forename	Bryan
Main contact surname	Boult
Main contact user ID
Contact organisation	Hampshire County Council
Contact organisation web site	http://www.hants.gov.uk/
Partner organisations
Parent multi-site project	Case_study:New Forest LIFE project
This is a parent project encompassing the following projects	No

Bed level raising in progress

Project summary

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This site is a part of New Forest LIFE project. Besides of the river bed restoration a 8.8 hectares of scrub management and vegetation clearance was made. Then a raising of bed levels for approximately 500m in the existing Stony Moors stream between the Inclosure boundary and the fords on the public road. Levels were raised to within 0.4m of the surrounding floodplain to restore winter flooding on the flood plain. This was achieved using clay plugs and backfilling with imported hoggin and available bank spoil. Due to the steep gradient additional support was given to the infill in the form of log weirs, oak boards and live willow.

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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