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Published byStanley Bradford Modified over 9 years ago
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Multiple benefits from catchment restoration presentation for CIS Working Group – March 2015 Ann Skinner, Senior Conservation Advisor Environment Agency, UK On behalf of Alastair Driver, National Biodiversity Manager Follow him on Twitter @AliDriverEA
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England’s Biodiversity Strategy 2020: the challenge Outcome 1A– at least 90% of priority habitats in recovering condition; 50% of SSSIs in favourable condition Outcome 1B – increase of at least 200,000 ha of priority habitat Outcome 1C – at least 17% of land and inland water managed for biodiversity and ecosystem services Outcome 1D – at least 15% of degraded ecosystems restored as contribution to climate change mitigation
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Multiple Benefits Through upland restoration Operation Peatland, Forest of Bowland KILLER FACT from Making Space for Water project – Peak District National Park: restoration of bare & gullied peat reduced peak flows by 30% & increased lag times by 20 minutes
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Multiple Benefits Through pond creation Belford Burn, Northumberland KILLER FACT from Belford Burn: a “leaky” pond holding 800 m3 of water takes roughly 8-12 hours to drain completely & delays the peak flow 1 km downstream by approximately 15 minutes
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Multiple Benefits Through woodland planting Woodland planting on the Belford Burn Woodland shelterbelt at Pont Bren KILLER FACT from Pont Bren project: infiltration rates are up to 60x higher under young native woodland shelterbelts compared to adjacent heavily grazed pasture
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Multiple Benefits Through woody debris Woody debris installed in Belford Burn Leaving woody debris in situ at Holnicote KILLER FACT from the Belford Burn project – Northumberland: Installation of 6 large woody debris structures in the headwater streams more than doubled the travel time for the peak of the flood 1 km downstream Woody debris combined with floodplain attenuation at NT Holnicote, Somerset
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Multiple Benefits Through WFD – on watercourses Radcot Weir bypass channel, River Thames Weir removal at Prestolee on River Irwell
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Multiple Benefits Through floodplain meadows KILLER FACT: floodplain meadows store/process sediment-bound P and N, converting excess nutrients into an agriculturally valuable crop
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Multiple Benefits Through rural wetland creation Lunt Meadows, North Merseyside KILLER FACT from study of ponds in Northumberland: Organic carbon in uncompacted sediments in permanent ponds is 10% compared with 3% in adjacent agricultural land Investigating the 8,000 year old Mesolithic hunter-gatherer settlement
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Multiple Benefits Through urban river restoration Restoration of the River Medlock at Clayton Vale Local Nature Reserve, Manchester KILLER FACT: Physical inactivity costs the UK >£1bn/year; whilst depression costs £520m in direct treatment costs. Access to green space helps reduce both
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