18 January 2013
People and wildlife could be better protected from Britain’s worsening flooding problems and even use them to gain a range of benefits, through new guidance published this week.
The Wildfowl & Wetlands Trust (WWT) and RSPB have developed a guidance manual to help local authorities and developers use natural features to protect homes and businesses from future flooding, and to provide a safe habitat for wildlife at the same time.
The manual complements aspects of the Flood and Water Management Act 2010, which aim to reduce flooding and pollution by preventing new developments from directing storm water straight in to sewers. Architects and planners are already looking at ways to re-route surface run-off slowly and safely. This manual gives them detailed advice on how to do this in ways which will also benefit wildlife and local people, including:
• More ponds – which can include plants like reeds, which filter pollutants;
• Green roofs – which use low-maintenance planting to absorb and store water;
• Swales – areas of soil adjacent to developments which act like sponges to store and filter water;
• Permeable surfaces – the latest asphalt and paving can actually let water leech slowly through it rather than run off in sheets and create flooding further downhill.
WWT Chief Executive Martin Spray launched the guidance in Westminster. He said:
“Britain has contributed to its own flooding problems by removing natural wetlands which release rainwater slowly, and replacing them with tarmac and roofing which cascade rainwater quickly towards flooding flashpoints.
“In the second half of the last century, we lost 55,000 hectares of wetland to new housing and industrial growth. That’s the equivalent of more than four football pitches per day that is now unable to store water as it once did.
“If every new development were to contain small, low-cost mini-wetlands to absorb surface run-off this would protect us from more flooding and make for a greener environment for both people and wildlife. Our manual is a vital guide on how our architects and planners can achieve this easily and cheaply.”
The guidance manual - Sustainable drainage systems: maximising the potential for wildlife and people - breaks down the steps to creating high value green spaces at low cost. These have the attractive potential to be liveable spaces that bring communities together and benefit wildlife, while making the landscape more resilient to climate change.
It has been written specifically for local authorities, which are responsible for authorising plans for sustainable drainage systems, landscape architects, developers, engineers and master planners. It is available for free via SuDSGuidance@wwt.org.uk.
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• WWT saves wetlands worldwide – a critical habitat which is disappearing at an alarming rate. We act to identify and save severely threatened wildlife, such as the Madagascar pochard, which has been given a more secure future thanks to our decades of experience in conservation breeding.
• Our researchers have been monitoring wildlife in the UK for more than 60 years, observing changes and finding solutions.
• We put people at the heart of all our work, because conservation needs support to succeed.
• And we share what we learn with experts around the world and with our 200,000+ members, the 60,000 school children who come on an educational visit to our nine wetland visitor centres in the UK, and the million people who visit us each year to enjoy a wetland experience.
• We manage over 2,600 hectares of wetlands across the UK which between them support over 200,000 waterbirds and other wildlife.
• WWT members enjoy free access to all nine visitor centres and are kept up to date with developments through an award-winning quarterly magazine, Waterlife.
• Whatever the season, come rain or shine – WWT Washington is the perfect place to connect with nature. Explore an exciting mix of wetland, woodland, nature reserve and meadows; home to rare and exotic wildfowl, flocks of waders, Chilean flamingos, Asian short-clawed otters, Eurasian cranes, grey herons, woodland birds, amphibians and insects. Enjoy beautiful scenery, special events and unforgettable wildlife encounters, 364 days a year. Excellent access, free wheelchair hire, café, gift shop and play area. WWT members go FREE.
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