Incorporating ecosystem services into flood risk management appraisal

Transcription

1 Incorporating ecosystem services into flood risk management appraisal With a focus on natural flood management Andrea Johnstonova, Helen Panter, Rebecca Badger, Jannette MacDonald & Roy Richardson 1

2 Content SEPA s approach to using ecosystem services Flood risk management and natural flood management Using ecosystem services in flood risk management appraisal Challenges 2

3 SEPA s approach to using ecosystem services Assessing impacts of environmental change Decision making Delivery of multiple benefits Communication 3

4 Flooding 4

5 Flood risk in Scotland 5

6 Flood risk management planning 1. Mapping & Assessment 5. Prioritise Actions Agreement with funding bodies 2. Set Objectives 4. Appraisal of Actions Costs and Benefits 3. Identify Actions What s practical and feasible? 6

7 Ecosystem services approach? Multiple benefits 5. Prioritise Actions Agreement with funding bodies 1. Mapping & Assessment Communication 2. Set Objectives Decision making 4. Appraisal of Actions Costs and Benefits Assessing impacts 3. Identify Actions What s practical and feasible? 7

8 Identifying a wide range of actions 8

9 Natural flood management 'Alteration, enhancement and restoration of natural features and characteristics that could contribute to the management of flood risk in the district' A set of techniques that aim to work with natural processes, features and characteristics to manage the sources and pathways of flood waters Return of the environment to a more natural state Improvement to, or enhancement of, an existing function for the purpose of flood risk management 9

10 Natural flood management Photo: Tweed Forum 10

11 Natural flood management 'Alteration, enhancement and restoration of natural features and characteristics that could contribute to the management of flood risk in the district' A set of techniques that aim to work with natural processes, features and characteristics to manage the sources and pathways of flood waters Return of the environment to a more natural state Improvement to, or enhancement of, an existing function for the purpose of flood risk management 11

12 Natural flood management Photo: Tweed Forum 12

13 Natural flood management Potential benefits Contribution to flood regulation Restoration of rivers and coasts Photo: Tweed Forum Biodiversity Climate change adaptation Improving water quality 13

14 Natural flood management Potential costs Loss of productivity Loss of land Photo: Tweed Forum Negative environmental impacts Compensation/funding 14

15 Assessing ecosystem services for different actions 15

16 Criteria for appraisal Screening criteria feasibility (technical, financial) legality Comparative criteria Adaptation to climate change Use landscape to slow/store water Sustainability: economy, society, environment 16

17 Economic, social and environmental Flood risk reduction Wider impacts, by ecosystem service impacts Economy Society Environment Homes Businesses Infrastructure Utilities Provisioning Timber Food production Land use Risk to life &health Community Cultural heritage Cultural Recreation Wildlife watching Landscape 17 Vulnerable sites Regulating Water quality Climate Supporting Habitats & Species RBMP

18 Comparing impacts Mix of monetary, quantitative and qualitative information Individual and combination actions Transparent decision making Proportionality 18

19 Double counting 5. Prioritise Actions Agreement with funding bodies Challenges 1. Mapping & Assessment Complexity 2. Set Objectives Uncertainty 4. Appraisal of Actions Costs and Benefits Consistency 3. Identify Actions What s practical and feasible? 19

20 Multiple benefits Double counting 5. Prioritise Actions Agreement with funding bodies Summary 1. Mapping & Assessment Complexity Communication 2. Set Objectives Decision making Uncertainty 4. Appraisal of Actions Costs and Benefits Assessing impacts Consistency 3. Identify Actions What s practical and feasible? 20