Case study:RSPB Fowlmere Nature Reserve

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Location: 52° 5' 26.27" N, 0° 2' 59.69" E

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Project overview

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Status	Complete
Project web site	http://therrc.co.uk/rrc_case_studies1.php?csid=65
Themes	Habitat and biodiversity, Hydromorphology, Social benefits, Water quality
Country	England
Main contact forename	Rob
Main contact surname	Mungovan
Main contact user ID
Contact organisation
Contact organisation web site
Partner organisations	Environment Agency
Parent multi-site project
This is a parent project encompassing the following projects	No

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Project summary

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Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment

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Catchment

River basin district	Anglian
River basin	Cam and Ely Ouse (including South Level)

Subcatchment

River name	Shep
Area category	10 - 100 km²
Area (km2)
Maximum altitude category	100 - 200 m
Maximum altitude (m)	167167 m <br />0.167 km <br />16,700 cm <br />
Dominant geology	Calcareous
Ecoregion	Great Britain
Dominant land cover	Arable and Horticulture
Waterbody ID	GB105033038080

Site

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Name	Fowlmere Nature Reserve
WFD water body codes	GB105033038080
WFD (national) typology
WFD water body name	Shep
Pre-project morphology	High width:depth, Single channel, Straight
Reference morphology	Sinuous, Pool-riffle
Desired post project morphology
Heavily modified water body	Yes
National/international site designation
Local/regional site designations
Protected species present	No
Invasive species present	No
Species of interest
Dominant hydrology	Quick run-off
Dominant substrate	Silt, Sand
River corridor land use	Grassland
Average bankfull channel width category	2 - 5 m
Average bankfull channel width (m)
Average bankfull channel depth category	2 - 5 m
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

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Reach length directly affected (m)	600 m0.6 km <br />60,000 cm <br />
Project started	2006/03/01
Works started
Works completed	2009/12/01
Project completed
Total cost category	10 - 50 k€
Total cost (k€)	14 k€14,000 € <br />
Benefit to cost ratio
Funding sources	Environment Agency

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

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Mitigation of a pressure
Hydromorphology	Width & depth variation, Quantity & dynamics of flow, Substrate conditions
Biology	Fish: Abundance, Invertebrates, Macrophytes
Physico-chemical
Other reasons for the project	Landscape enhancement, Nature development, Recreation

Measures

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Structural measures
Bank/bed modifications	Cut back of plants, Riffle creation, Placement of log steps to prevent erosion from deer, Bed raising, Placement of faggots
Floodplain / River corridor	Riparian enhancement
Planform / Channel pattern	Increase in sinuosity, Narrowing of channel
Other
Non-structural measures
Management interventions	Easier management
Social measures (incl. engagement)
Other

Monitoring

Hydromorphological quality elements

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quality elements

Element	When monitored		Type of monitoring		Control site used	Result
	Before measures	After measures	Qualitative	Quantitative
Width & depth variation		Yes	Yes			Improvement
Quantity & dynamics of flow		Yes	Yes			Improvement
Substrate conditions		Yes	Yes			Improvement

Biological quality elements

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quality elements

Element	When monitored		Type of monitoring		Control site used	Result
	Before measures	After measures	Qualitative	Quantitative
Fish: Abundance	Yes	Yes	Yes	Yes		Improvement
Invertebrates	Yes	Yes		Yes		Improvement
Macrophytes	Yes	Yes		Yes		Improvement

Physico-chemical quality elements

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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

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Element	When monitored		Type of monitoring		Control site used	Result
	Before measures	After measures	Qualitative	Quantitative
Public awareness of river	Yes	Yes	Yes			Improvement

Monitoring documents

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Image gallery

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Additional documents and videos

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Additional links and references

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Link	Description

Supplementary Information

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