MoorLIFE Carbon Audit

Transcription

1 MoorLIFE Carbon Audit

2

3 Bleaklow, 2010

4 MoorLIFE in numbers 886 ha lime, seed, fertiliser 200,000 plug plants over 110 ha 800 ha hydroseeding with dwarf shrubs 570 ha sphagnum propagules 3550 stone dams installed in gullies bags of brash 5180 helicopter flights Over 500 lorry/tractor deliveries

5 Benefits of Carbon Auditing Identify potential carbon savings Identify potential cost savings Informed decision-making on management/supervision of contracts Improve carbon accounting Inform schemes for payment for ecosystem services

6 Tools for Carbon Auditing Defra Guidelines for Company Reporting on Greenhouse Gas Emissions Conversion factors for transport activities Regularly updated Activity focused Standard national method UK specific conversion factors based on IPCC guidelines

7 Defining the Scope Scope 1 Direct emissions activities owned or controlled that release emissions straight into atmosphere Scope 2 Energy indirect associated with consumption of electricity, heat etc Scope 3 Other indirect activities that are consequence of actions, which occur at sources not owned or controlled, and are not classed as Scope 2

8 Defining the Scope

9 Defining the Scope C1 stabilising bare peat and halting erosion through planting nurse grasses C2 increasing stability and resilience by introducing structural blanket bog species. C3 Gully blocking to stop peat erosion and restore hydrological integrity.

10

11

12

13

14

15 Greenhouse Gases (GHGs) Carbon dioxide Methane Nitrous oxide Units of carbon audits are kg or tonnes CO 2 equivalents or CO 2 e

16 Defra conversion factors Defra conversion factors Carbon dioxide equivalent

17 Results By the end of Year 4 GHG emissions for the MoorLIFE project stood at.

18 Results By the end of Year 4 GHG emissions for the MoorLIFE project stood at kg CO 2 e but what does that mean?

19 kg CO2e GHG emissions by treatment Total direct emissions by treatment Gully blocking Brash LSF Geotextile Plug planting Sphagnum Hydroseeding Treatment

20 GHG emissions by treatment LSF 25% Gully blocking 36% Brash 33% Brash Geotextile Gully blocking Hydroseeding LSF Plug planting Sphagnum

21 GHG emissions by activity 16% - deliveries Contractor travel Delivery Flying MFF staff travel - personal vehicle Brash cutting MFF staff travel - pool car 77% - flying

22 Carbon intensity Treatment Intensity description Figure Brash kg CO2e per bag of brash 9.50 Plug plants kg CO2e per 100 plug plants 5.83 Gully blocking kg CO2e per stone dam Geotextile kg CO2e per km of geotextile Lime, seed, fertiliser kg CO2e per ha of application

23 Carbon intensity Can be used to: estimate full project emissions Compare sites Compare treatment types

24 Carbon Benefit (tonnes C/km2/yr) Carbon benefit Flat Flat Flat Gully +1yr +1yr +4yr +4yr Re-vegetated Re-vegetated Re-vegetated Re-vegetated Restoration Site The carbon benefit of peatland restoration is predominantly avoided loss, but could be up to 833 tonnes C/km2/yr. The carbon benefit is calculated as the difference between the estimated carbon budget of bare peat soils and the carbon budget of the restored site. Blue = minimum benefit, Green = maximum benefit. Source: Worrall et al. 2010

25 TH years after seed application

26 Carbon benefits of revegetation Maximum carbon benefit of revegetation (4 year revegetated, gullied) Minimum carbon benefit (1 year, flat, revegetated site) Active blanket bog sequestration Estimated annual emissions of MoorLIFE Project kg CO2e/km2/year Source: Worrall et al. 2010

27 Next steps Updating of Year 5 data Better understanding of the carbon benefit of undertaking the works Life-cycle analysis of materials Estimation of Scope 2 emissions

28 Outcomes First indications of scale of magnitude of GHG emissions Carbon benefits of revegetation works far outweigh the costs of Framework established for continued assessment Better understanding of the carbon impact of land management activities