Case study:River Gaywood – Seven Sisters Drain

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Location: 52° 45' 3", 0° 24' 21"
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Project overview

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Status Complete
Project web site http://www.norfolkriverstrust.org/
Themes Habitat and biodiversity, Social benefits
Country England
Main contact forename the
Main contact surname RRC
Main contact user ID
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Parent multi-site project
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encompassing the following
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Project summary

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Norfolk Rivers Trust, King’s Lynn Internal Drainage Board and the Borough Council have teamed up to improve an abandoned area of King’s Lynn. Seven Sisters Drain, which runs behind the football club has long been abandoned becoming a silted, overgrown dumping ground, being filled with everything from crisp packets to sofas. Together we are working to transform this forgotten corner, clearing the overgrown vegetation and cutting a new channel for the water to move through. This will then be planted with a collection of native plants to improve the water quality and attract insects and amphibians to this new wildlife haven.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

Catchment

River basin district Anglian
River basin North West Norfolk

Subcatchment

River name Gaywood River
Area category 10 - 100 km²
Area (km2)
Maximum altitude category Less than 100 m
Maximum altitude (m) 93
93 m
0.093 km
9,300 cm
Dominant geology Calcareous
Ecoregion Great Britain
Dominant land cover Arable and Horticulture
Waterbody ID GB105033047680



Other case studies in this subcatchment: Nine Chalk Rivers Project - Gaywood Catchment


Site

Name Seven Sisters Drain
WFD water body codes GB105033047680
WFD (national) typology
WFD water body name Gaywood River
Pre-project morphology
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Desired post project morphology
Heavily modified water body No
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Protected species present No
Invasive species present No
Species of interest
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Project background

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Reasons for river restoration

Mitigation of a pressure Abandoned stream
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Biology
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Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor Vegetation management, Restoring riparian vegetation, Large scale planting of native species
Planform / Channel pattern Improvement of channel morphology, Channel naturalisation
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Management interventions
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Monitoring

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Monitoring documents



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Supplementary Information

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