Case study:River Nene Nature Improvement Area

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Location: 52° 14' 25.72" N, 0° 54' 9.56" W
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Project overview

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Status In progress
Project web site http://www.naturalengland.org.uk/ourwork/conservation/biodiversity/funding/nia/projects/nenevalley.aspx
Themes Economic aspects, Fisheries, Flood risk management, Habitat and biodiversity, Hydromorphology, Social benefits, Urban
Country England
Main contact forename Simon
Main contact surname Whitton
Main contact user ID
Contact organisation River Restoration Centre
Contact organisation web site http://www.therrc.co.uk
Partner organisations Natural England, Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire
Parent multi-site project
This is a parent project
encompassing the following
projects
No
Backwater created on the River Ise (Rushton Loop)

Project summary

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What is the Nene Valley NIA? Nature Improvement Areas (NIAs) were introduced by the government’s Natural Environment White Paper (June 2011) to “enhance and reconnect nature on a significant scale”. The Nene Valley NIA includes the River Nene and its main tributaries, plus a 3km radius on either side, from Daventry to Peterborough (41,350 hectares in total), and contains a fragmented network of statutory and non- statutory sites, such as SSSIs and SAPs. At 161km, it is the tenth longest river in the UK, and, being navigable from the Wash to Northampton (142km), is highly managed with locks and other infrastructure. It is located in the UK’s second largest growth area and is therefore exposed to significant development pressure. These include built development, increasing inappropriate public access, and competition for water resources. Land management practices threaten ecosystem services and the connectivity of habitats.

Aims and objectives: The NIA will reverse the decline in biodiversity and restore the ecological network in the Nene Valley. It will help meet the challenges of a growing population, changing climate, and need to produce food while realising complimentary benefits that create a naturally functioning interlinked landscape. The NIA has 5 objectives, including: enhancing public access and awareness of the NIA; supporting development which will benefit the natural environment; engaging with farmers and improving ecosystems services. The Nene NIA is currently funded from 2013-2015.

Objective 3 of the NIA is to “improve the ecological status of the river and enhance ecosystem service provision”. Much of the Nene is in Water Framework Directive poor ecological status due to diffuse pollution, water abstraction, and heavily modified river morphology due to channel alteration for navigation and flood risk management. These issues account for approximately 75% of the reasons for waterbodies in the Nene catchment failing to meet good status or potential.

The Nene Valley NIA Partnership was formed by its stakeholders to enable a strategic and joined up approach to tackling these issues. The stakeholders form a coalition of experts including new partners and others well established in the valley. These include; River Nene Regional Park, the Environment Agency, the Bedfordshire, Cambridgeshire and Northamptonshire Wildlife Trust and the River Restoration Centre.

Monitoring surveys and results

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Lessons learnt

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Catchment and subcatchment



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
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Average unit stream power (W/m2)


Project background

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Works completed
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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

Mitigation of a pressure
Hydromorphology
Biology
Physico-chemical
Other reasons for the project


Measures

Structural measures
Bank/bed modifications
Floodplain / River corridor
Planform / Channel pattern
Other
Non-structural measures
Management interventions
Social measures (incl. engagement)
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Monitoring

Hydromorphological quality elements

Element When monitored Type of monitoring Control site used Result
Before measures After measures Qualitative Quantitative

Biological quality elements

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Any other monitoring, e.g. social, economic

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Monitoring documents



Additional documents and videos


Additional links and references

Link Description
http://www.nenevalleynia.org/ Nene Valley NIA website
http://www.wildlifebcn.org/thenenevalley/nia Wildlife Trusts BCN website - Nene Valley NIA

Supplementary Information

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