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Cam Valley Resources Download our latest list of active river groups in the Cam Valley, April 2024 Download list of Cam Valley River Groups A detailed map of the River Cam above Cambridge, with local place names. Download here Small Grants Thanks to the generosity of our members and supporters we are able to offer … Continue reading The Cam Valley

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The Rivers Trust are con­ser­va­tion experts with a wealth of data and exper­tise at our fin­ger­tips. We work with our mem­ber Trusts to make our shared…

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South Cambridgeshire: Doubling Nature Strategy

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South Cambridgeshire: Doubling Nature Strategy

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A landscape scale biodiversity initiative led by the Local Wildlife Trust and Cambridge Past Present and Future with support from the Cambridge City Council and other key landowning partners.

The Cambridge Nature Network will form a critical part of

the emerging statutory Local Nature Recovery Strategy for Cambridgeshire, which will be overseen by the Cambridgeshire and Peterborough Combined Authority.

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Since Cambridge Past, Present & Future was founded in 1928, the charity has worked hard to protect the most important landscapes in and around Cambridge.

In response to the global biodiversity crisis, Cambridgeshire has made a commitment to double the amount of nature rich habitats by 2050. Since 2018 Cambridge Past, Present & Future has been working with the Wildlife Trust BCN and other organisations to identify a nature recovery network for the Cambridge area, which we are calling the Cambridge Nature Network.

The Cambridge Nature Network vision is for the Cambridge area to have significant areas of downland, fens, meadows and woodlands, where nature can recover and thrive and where people can experience a wilder countryside and nature on their doorstep.

It covers 9,203 hectares, contains 13 SSSIs and 84 Local Wildlife Sites as well as providing accessible greenspace for 200,000 residents. It is essential to the well-being of all those who live, work, study and visit the Cambridge area and for its future economic prospects.

The Cambridge Nature Network includes the best of the remaining habitats within 10km of the city and it identifies the best opportunities and locations for creating new habitats.

This report, building on the ambition to double nature in Cambridgeshire, tells us precisely how and where we can do it. Working from the ground up, looking at real places and the actual state of nature, it offers for the first time a tangible plan for the revitalisation of nature in the 10km around the city of Cambridge, based on what is already there and how it can be brought back to life. And there's more. Fully integrated with the vision for nature recovery is one for the enhancement and creation of green spaces for public recreation and refreshment - vital needs, as we have come to understand fully during the covid-19 crisis. Dame Fiona Reynolds

You can read a summary report about the Cambridge Nature Network by clicking here . Or read on below.

You can read the full 137-page report about the Cambridge Nature Network by

You can read a progress report on what we were up to over the first 18 months by

What is the Cambridge Nature Network?

The Nature Network will be a mosaic of individual nature parks, nature reserves and farm habitats, linked together by nature-friendly farmland and wildlife-rich towns and villages. The network will be of sufficient scale to allow wildlife to circulate around the city and to find the best seasonal habitats to breed and thrive.

It will also be good for people: it will allow our growing population to gain significant health benefits from access to nature and the outdoors; it will make us more resilient to flooding and droughts; it will help improve air quality; and it will store carbon to help tackle climate change. It will also help our prosperity by making our area an attractive place to live, learn or do business.

The Cambridge Nature Network is a spatial plan for the future of nature, not a new land designation. It is about prioritising the best areas to take action because they have an existing biodiversity value for nature and have the potential to contribute to a functioning ecological network.

Why do we need a Cambridge Nature Network?

Efforts to halt the decline of nature have been underway for decades but have not been wholly effective, due to taking place at a relatively small-scale and often in isolation. The UK is one of the most nature deprived places in the world and Cambridgeshire is one of the most nature deprived counties in the UK. It also has a rapidly growing population and one of the lowest levels of natural green space available for public access. There is evidence that shows our area lacks large areas of habitat with public access and the rate of providing more of it has fallen behind the rate of population growth and demand. This is putting pressure on existing nature sites, some of which are already at capacity.

New approaches are needed, which are bigger in ambition and scale, which set out a long-term vision, but which are realistic and achievable.

It is focussed on the area within a 10km radius of Cambridge, including the city itself. Based on analysis of the different landscapes around the city, discussions with landowners and ground-truthing surveys, the Cambridge Nature Network is made up of five Nature Priority Areas, which are shown in the figure below, plus an additional opportunity area to the north of the city. The boundaries of these areas are based on landscape features which impact on habitat quality, such as contour levels, floodplain and soil types.

Gog Magog Hills - chalk grasslands and woodlands including Wandlebury Country Park, Cherry Hinton Chalk Pit, Roman Road, Beechwoods and Magog Down.

Cambridge Fens - wet fens and grasslands including Fulbourn Fen, Little Wilbraham Fen and Great Wilbraham Common.

Wicken Fen Vison South - the National Trust's vision to expand Wicken Fen southwards to the edge of Cambridge, including Anglesey Abbey and Stow-cum-Quy Fen.

River Cam Corridor - the River Cam and its tributaries and the meadows, wetlands, parkland and woodlands that they connect, including Grantchester Meadows, Trumpington Meadows, the College Backs, Cambridge commons and Ditton Meadows. It also includes the chalk streams running from the Gog Magog Hills and through the city from Nine Wells and from Cherry Hinton.

Boulder Clay Woodlands - woodlands, meadows and hedges on clay soils, including Madingley Woods, Coton Countryside Reserve, Burwash Organic Farm and Lark Rise Farm.

A Fen-edge Orchards & Droves Opportunity Area has been identified to the north of Cambridge, based upon fragments of traditional orchards and fen ditches. This could be a further Priority Area and act as a stepping-stone to the nature sites in the Ouse Valley.

Within the Priority Areas there are already 7 "nature parks": at Wandlebury, Magog Down, Trumpington Meadows, Coton, Milton, Cambridge Botanic Garden and Anglesey Abbey. These, together with 84 Local Wildlife Sites and 13 SSSIs, make up the core of the network system - shown in the map above. In some areas there is already a network of habitats that link places for nature together, for example the cluster of sites on the top of the Gog Magog Hills.

The intention is that over time, and with the cooperation of landowners, more land will be added to double the size of the network. From our surveys, the dappled green and dappled orange areas shown in the map below, have been identified as the best locations for new habitat and strategic natural greenspace around Cambridge, including south-east (Gog Magog Hills), north-east (southern end of Wicken Fen vision area) and west of Cambridge (Coton Countryside Reserve). Cambridge Sports Lake Trust proposals for a sports lake and country park north of Milton provide another major opportunity. Opportunities to improve the network of paths linking settlements to nature sites have also been considered for each Priority Area. There is considerable overlap between the best locations for habitat creation and those for new public access.

These opportunities have been discussed with landowners wherever possible, through conversations and preparation of individual landowner reports. However, the opportunities shown in the map above do not imply agreement or commitment by the landowners at this stage. Land ownership and use will change over time, so these opportunities are indicative of what might be achieved in the long-term. It is also clear that providing new public access must be done in partnership with landowners and farmers, because without their support Cambridge will not be able to deliver the strategic natural greenspace that the growing city needs.

What about nature beyond the five priority areas?

The Nature Network is the beginnings of a local spatial plan for nature. Outside of the Priority Areas there are important nature conservation sites and areas of semi-natural habitat, but these are fewer and more isolated from others and it will be more difficult to achieve the agglomeration benefits of landscape scale conservation.

However, the Network should not be seen as precluding landowners, individuals or community groups from outside of the five Priority Areas from taking action: nature friendly farming can occur anywhere and wildlife friendly management of open spaces, gardens and buildings can occur throughout the city and villages.

The Cambridge Nature Network also connects to the surrounding landscapes, as part of a county nature network, shown in the figure below. It is one of 6 areas identified by Natural Cambridgeshire as a priority for nature conservation in the county.

How can it happen and can it be sustained?

To deliver the Nature Network, there needs to be a move beyond the traditional avenues of public funding and charitable grant giving. And as resources for this work will be limited, targeting investment where it will have the biggest benefit for nature and people is also crucial.

We have found some evidence that rapid growth in visits to countryside sites over the past 20 years could provide the basis for a new approach to generating revenue surpluses from the management of nature sites for people. To do this, such sites need to be designed with revenue generating visitor facilities and supporting infrastructure. The surge in people visiting nature sites during the Covid-19 pandemic has provided an insight into the potential of this underlying demand. It was also an indication of the impact that visitors will have on nature sites if the population increases without a corresponding increase in natural green spaces.

Outside of the nature parks, most of the land within the network is farmed or urban and this will continue. However, opportunities from the government's new agricultural subsidies - the Environmental Land Management Scheme - will also provide a new source of income for farmers willing to create areas of habitat on farmland to buffer and connect nature, particularly for areas prioritised in nature recovery networks. Carbon offsetting, water quality and flood management may also offer new income streams.

The capital required for new nature sites and green spaces will continue to rely on philanthropy and charitable fund-raising, but a new source of capital may flow from biodiversity net gain and other developer contributions as the city continues to grow. Developers may themselves realise the additional value that ready access to green spaces can create in housing and workspace developments, where more people are conscious of the wellbeing benefits that access to nature brings. The development process through the Local Plan will play an important role in underpinning this potential new capital flow. Understanding the new revenue-generating needs of nature parks will also have planning implications.

Overall, there appears to be potential to blend these new revenue and capital income streams with traditional charitable support and philanthropy to address the running and capital costs of an expanding Nature Network.

Who is responsible? What can we do?

The Nature Network will take time to create and it can only be sustained through a collective approach. Specifically, the landowning charities and the City Council responsible for most of the accessible nature sites in the Cambridge area have come together to explore collaborative working to nurture the Nature Network and this work will continue. A number of farmers are also interested in becoming involved in Nature Friendly Farmer Clusters, that will be associated with the Network.

Individual landowners will continue to be responsible for what happens on their land; some will want to help nature but may not wish to provide public access and some may decide not to be involved at all. However, through this study, individual reports have been prepared for many interested landowners to refine the opportunities for increasing biodiversity on their land and to identify potential delivery mechanisms.

The Nature Network should be recognised in relevant Local Plan and other public policy and strategy documents. It provides the framework within which sustainable development in and around Cambridge must occur. It provides evidence and the basis for the Cambridge City and South Cambridgeshire biodiversity and green infrastructure strategies. It is anticipated that it will also form part of the Cambridgeshire Nature Recovery Strategy, which will need to be produced following the adoption of the Environment Bill in 2021.

Finally, the city and villages in the area also have a wealth of private gardens. They provide a potential haven for urban wildlife and everyone can garden for nature, even if they only have a window box. To connect these to the wider Nature Network, each parish or group of parishes could prepare their own Parish Nature Recovery Plan, to guide actions on parish land, within gardens and by the farming and landowning community of their parish.

The initial work to identify and progress a Cambridge Nature Network has been led by Cambridge Past, Present & Future and the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. There is now an informal partnership of organisations helping to progress the network, these include the National Trust, RSPB, Magog Trust, Cambridge Sports Lake Trust, Cambridge University Botanic Garden, Cambridge City Council, South Cambs District Council and Cambridge Ahead.

The Nature Network is a long-term vision that will be achieved over many decades through the ongoing delivery of new projects. You can find information about current and previous projects on the Cambridge Nature Network website (click here).

Each of these projects will create new or better habitats for nature and they range in scope and scale from the large-scale conversion of farmland to small community projects. The range of organisations and people involved in these projects is really inspiring and includes local charities, local authorities, community groups, local landowners and farmers, universities and colleges, schools, contractors and individual people helping to plant trees and sow seeds. Collectively these projects and the efforts of those involved will make a difference over time.

If you are carrying out work that will create new or better habitats for nature in the Cambridge Nature Network area then we would love to hear from you. We would also like to hear from you if you have an idea for a new project or habitat creation scheme. See contact details at the foot of this page.

The Cambridge Nature Network report

A 137-page Cambridge Nature Network report was published in May 2021. The study has four strands, though the primary objective is the definition of the Nature Network:

1. To identify the components of a Nature Network for Cambridge and its hinterland.

2. To identify a range of strategic green infrastructure opportunities to enhance access to nature across the Nature Network for the growing population.

3. To undertake a high-level analysis of the climate change impacts of a Cambridge Nature Network.

4. To assess the sustainability of a Nature Network in terms of policy and information; finances; and organisation.

The work to identify and progress the Cambridge Nature Network set out in this report was carried out largely by Cambridge Past, Present & Future and the Wildlife Trust for Bedfordshire, Cambridgeshire and Northamptonshire. It was funded through a grant from the Gatsby Foundation. Matthew Bullock and Cambridge Ahead's Young Advisory Group led on the research to understand how a nature network could be sustained financially and they also provided secretarial support to the project team. The work also relied upon the co-operation of other organisations including the National Trust, RSPB, Magog Trust, Cambridge Sports Lake Trust, Cambridge University Botanic Garden and Cambridge City Council.

We were granted permission to carry out surveys on much private land and we held discussions with individual landowners: we were very grateful for their co-operation.

A small advisory group helped to inform the project, chaired by Dame Fiona Reynolds and including John Torlesse, Kim Wilkie, Robert Myers and Sir Nicholas Bacon.

How can I find out more or get involved?

Please visit www.cambridgenaturenetwork.org

Natalie Lambert, Cambridge Past, Present & Future [email protected]

James Littlewood, Cambridge Past, Present & Future. [email protected]

Martin Baker, Conservation Manager, Wildlife Trust BCN. [email protected]

Join as a member today to add your support to protecting the beauty of Cambridge and its environment. Membership includes 1 year free parking at Wandlebury.

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A nature recovery network for the Cambridge area

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Biodiversity Strategy: Cambridge City Council

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Biodiversity Strategy: Cambridge City Council

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Core Strategies

Relaxation of grazing pressure or reduced mowing frequency on grasslands -to improve both value and condition of grassland, whilst potentially saving costs and allowing other work elsewhere.

Restricting or limiting the impacts of recreation (especially dog walking) on grasslands, woodlands and watercourses.

‘Meadow creation’. Many of the city’s parks already have ‘wildflower corners’. These could be made bigger and more permanent.

Increase the volume of deadwood in woodlands.

Wetland restoration on the River Cam floodplain.

Improving the structural (e.g., widening by less frequent cutting) and floristic component of hedgerows and their ground flora.

Improving the connectivity of sites and habitats, particularly south of the city centre.

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The National Biodiversity Network (NBN) is a collaborative partnership created to exchange biodiversity information. The NBN Trust, the charity which oversees and facilitates the development of the Network, has a membership including many UK wildlife conservation organisations, government, country agencies, environmental agencies, local environmental records centres and many voluntary groups.

Our members

More than 200 members, supporters and sponsors make up the NBN. Click on any of the links to the right to find out more about them or Join to become a member too.

NBN Atlas

Record, share & explore data with the National Biodiversity Network
Visit the NBN Atlas
Help make a difference

There are many ways in which you can get involved with the Network and here are just a few examples

Tools & Resources

Find out more about the tools available to help with wildlife recording, as well as the NBN Strategy and other related websites.

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The National Biodiversity Network (NBN) is a collaborative partnership created to exchange biodiversity information. The NBN Trust, the charity which oversees and facilitates the development of the Network, has a membership including many UK wildlife conservation organisations, government, country agencies, environmental agencies, local environmental records centres and many voluntary groups.

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30 March 2023, 6.30-pm. St Philips Church Centre, Mill Road, Cambridge. Booking (and directions) at Eventbrite here

Bill McGuire talks about the magnitude of the climate emergency facing us and what we can do about this, based on his latest book Hothouse Earth. Cambridge is located in one of the most vulnerable parts of the UK - its hottest, most low-lying, and most drought prone region - and yet those who govern us, invest in and plan for the area fail to address this.

Friends of the Cam are a Cambridge based campaigning group committed to restoring the health of the river Cam and its tributaries for the benefit of nature. We are pledged to ending pollution of the river and overabstraction linked to unsustainable growth in the area. We have developed a charter to express these commitments which we invite others to sign.

The River Cam and its tributaries are suffering badly from over-abstraction, agricultural run-off and sewage discharge leaving them in poor condition with very low flow levels and dirty water. At the same time the area is in the midst of a dash for growth in building houses and offices which is putting further strain on natural water flow and preventing the restoration of an already depleted system.

We can act by constantly opposing the conditions that are wrecking the River Cam and its streams. We can spread the word, persuade others, write letters, attend policy meetings, expose the role of water companies, businesses including farms, greenwashing efforts, planning officers, Councils, monitoring agencies. We can counter the unsustainability of building and infrastructure proposals. We can strengthen alliances with all those national and local groups who act with clarity and integrity to protect our River and counter unsustainable growth. We will be declaring the Rights of the River Cam at a public ceremony in June 2021 as a way of spreading the word and creating a network of River Defenders prepared to act to protect the River.

Subscribe to our newsletter and receive updates of events and campaigns.

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30 March 2023, 6.30-pm. St Philips Church Centre, Mill Road, Cambridge. Booking (and directions) at Eventbrite here Bill McGuire talks about the magnitude of the climate emergency facing us and what we can do about this, based on his latest book Hothouse Earth.