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Ecosystems – Joining things up in floodplains Cranfield University: Joe Morris, Tim Hess, Peter...
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![Page 1: Ecosystems – Joining things up in floodplains Cranfield University: Joe Morris, Tim Hess, Peter Leeds-Harrison, Paul Trawick, Helena Posthumus, Quentin.](https://reader035.fdocuments.in/reader035/viewer/2022062421/56649d265503460f949fca90/html5/thumbnails/1.jpg)
Ecosystems – Joining things up in floodplains
• Cranfield University: Joe Morris, Tim Hess, Peter Leeds-Harrison, Paul Trawick, Helena Posthumus, Quentin Dawson
• Open University: David Gowing, Jim Rouquette, Andy Blowers, Graham Tucker
• River Restoration Centre: Jenny Mant
• Thanks to: – UK Research Councils,
notably ESRC and NERC– RELU Programme Director
and Team – Farmers, Defra,
Environmental Agency, Local Government, Association of Drainage Authorities, Farming and Wildlife Advisory Group (FWAG) , Royal Society for the Protection of Birds, and others
– EPSRC Flood Risk Research Management Consortium
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Policy Context
• Global drivers - WTO• CAP – food, farmers & environment• Climate Change• Water Framework Directive• Making Space for Water • Catchment Flood Management Plans• Catchment Sensitive Farming• Draft Floods and Water Bill, 2009
To ‘integrate management of flooding and coastal erosion to recognise the links and dependences between different policy areas’
Resources & limits
0ptions & choices
(source: Morris et al, 2009, in press )
Objectives: intended outcomes
Governance,
Scale
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Integrated Land and Water Management:The Case of Flood Plains
• Objectives– Can multiple objectives be
achieved in ways which are appealing to major stakeholders?
– what data and methods can help support decision making?
– How can integration be achieved in practice?
• Study methods– 8 agric flood defence
schemes – Historical analysis– Policy & stakeholder analysis– Integrated modelling– 2007 flood impact
assessment– Scenario analysis– Ecosystems
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Natural capital and ecosystems
Stocks, capital, assets
Flows, services,
benefits and costs
Flows of EcosystemServices
Stocks of Natural (Ecosystem)
Capital
EcosystemFunctions
Values and Stakeholders
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Floodplain ecosystem functions and services: derived by stakeholder assessment
• Production– Agricultural production– Bio-energy crops– Coppicing – Reed production
• Regulation– Flood water storage– Water quality regulation– Greenhouse gas balance– Atmospheric nitrogen emission– Water balance– Soil condition– Drainage
• Habitat– Biodiversity habitat target– Biodiversity species target
• Carrier– Transport infrastructure– Settlement– Industry
• Information– Public rights of way– Recreation– Cultural heritage– Education / research– Landscape value
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Floodplain scenarios
Seasonal water table regime
Seasonal flood regime
Indicator Values
ProductionRegulationCarrierHabitatInformation
1. Current situation2. Maximising farm income3. Maximising agricultural
production4. Enhance biodiversity
within agricultural systems
5. Enhance biodiversity without agricultural systems
6. Maximise flood storage
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Hydrological regimes
Standards of Agricultural Drainage Low High
Wat
er t
able
dep
th b
elo
w
gro
un
d le
vel,
m
MG13: Inundation grassland → inundation pasture habitat
Months
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Scenarios : trade-off and synergyBeckingham Marshes: Land Use
*
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Scenarios : trade-off and synergy
Beckingham Marshes: Land Use
*
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Scenarios : trade-off and synergy
Beckingham Marshes: Land Use
*
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Scenarios : trade-off and synergy
Beckingham Marshes: Land Use
*
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Scenarios : trade-off and synergy
Beckingham Marshes: Land Use
*
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Scenarios : trade-off and synergy
Beckingham Marshes: Land Use
*
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Ecosystems, values and stakeholders
Morris et al, 2009, Reed et al, 2009
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Key results
• Defined water regime requirements• Agricultural and ecological benefit
assessment• Importance of ‘land drainage’• Key synergies, conflicts and myths• Ecosystem metrics • Stakeholders and ecosystems • Summer 2007 floods – a test case• Potential rural role for future flood risk
management
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Joining things up in floodplains
• Manage water regimes to deliver outcomes• Link ecosystems with stakeholder benefits • Use multiple science and knowledge to
understand trade-offs, synergies and limits• Line up policy themes and funding• Establish diverse collaborations and long
term commitment • Review ‘entitlements’• Research to inform discourse, policy choice
and stakeholder ‘buy-in’• Big, visionary experiments