pam berry, paula harrison, james paterson and rubicode …pam berry, paula harrison, james paterson...
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Modelling threats to ecosystems
ENVIRONMENTAL CHANGE INSTITUTE
Oxford University Centre for the Environment
Modelling threats to ecosystems
Pam Berry, Paula Harrison, James Patersonand RUBICODE and CLIMSAVE partners
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Outline
� A conceptual framework for ecosystem services, which links ecosystem service providers and beneficiaries
� Traits as a means of assessing multiple ecosystem processes and services
� How to link conservation and ecosystem services
� Problems that still need solutions
� Use of bioclimate envelope models for informing habitat management (adaptation) for climate change
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– Frameworks and concepts for the assessment of ecosystem services in terrestrial and freshwater ecosystems.
RUBICODE research themes(Rationalising BIodiversity COnservation in
Dynamic Ecosystems)
ecosystems. – Approaches for linking ecosystem service provision to
functional traits. – Indicators for monitoring ecosystem services. – Socio-economic and environmental drivers of biodiversity
change.– Strategies for conserving and managing biodiversity and
the services it provides that take account of drivers of the services it provides that take account of drivers of biodiversity change.
– Identification of current gaps in knowledge and future research needs.
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Qualitative ranking of the importance of services in different European ecosystems
Ecosystem service Key Some No Unknown
Food and fibre A, G, M, R F, H, S, W
Timber/fuel/energy A, F, M, R G H, S, W
Freshwater F, M, R G ,H, W A(-), S
Genetic resources F, G, H, M A, R, A, F, M, S, R, W
Harrison et al., 2010
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Status and trends in ecosystem services
From Harrison et al., 2010
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Status and trends in ecosystem services
from Harrison et al., 2010
S. Lavorel
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DriversEconomy,
Demography, Society,
Technology(exogenous)
StatesSupporting
system
Ecosystemservice
providers
Social-ecological system
Ecosystemservice
beneficiaries
Service Providing
Unit (SPU) threshold
Multiple scenarios
PressuresClimate change,
Land use change,Invasive species,
Air pollution(endogenous)
Impact on provision of
services
providers(ESPs)
beneficiaries(ESB)
Valuation of
Multiplestorylines
Valuation of services
ResponsesPolicy and strategic
decisions
of alternatives
Practice(implementation/
management)
services
Trade-offs
www.rubicode.net
Framework for Ecosystem Service Provision
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Multiple systems and multiple services
Rounsevell et al, 2010
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Luck et al., 2009, Bioscience
Interaction between socio-economic and ecological factors in ES provision
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Stepwise implementation strategy of the conceptual framework
Rounsevell et al, 2010
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ES provider ES beneficiaries
Service
ConservationistsHen harriers
Predation/
CulturalCultural
Grouse moor managers
Predation/antagonism
Cultural
Provisioning
Thirgood and Redpath (2008)
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Grouse managers Conservationists
Pressure Harrier numbers Killing of harriersPressure Harrier numbers Killing of harriers
State Grouse populations Harrier populations
Impact Grouse population numbers.
Harrier population numbers.
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Advantages of FESP
1. Explicitly identifies role and attributes of ESBs
2. ESB focus highlights the potential for conflict between 2. ESB focus highlights the potential for conflict between beneficiaries
3. Makes comparison across competing services clear
4. Makes explicit the potential for different ESPs, thresholds of biology (SPUs) that is needed to supply a given service, and the role of valuation in assessing trade-offs between servicethe role of valuation in assessing trade-offs between serviceprovision strategies as part of the response decision process
5. Can identify the mechanisms of either mitigation or adaptation to the environmental change problem
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Limitations of FESP
1. Needs more comprehensive testing
2. It does not describe in detail the ecological or human processes that make up complex social-ecological systems
3. It does not help in making the value judgments that 3. It does not help in making the value judgments that are needed to translate state variables into impacts through the definition of thresholds
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Plant and invertebrate traits and the relation to multiple services
De Bello et al., 2010 Biodiv. Conserv,
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Key points from trait analysis and ES provision
- Type, range and relative abundance of functional traits exert a significant control over servicestraits exert a significant control over services
- several individual traits simultaneously affect the delivery of multiple services;
- single services often depend on multiple traits, leading to clusters of associated traits and services;
- clusters can provide a basis of ecosystem management, although they may involve trade-offs and feedbacks.
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A framework for integrating conservation into ecosystem services
Haslett et al., 2010
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A framework for integrating conservation and ES into SES
Haslett et al., 2010
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CLIMSAVE Research Themes
1. Analysing the policy and governance context for
adaptation.
2. Developing an integrated assessment platform 2. Developing an integrated assessment platform
which includes linkages and feedbacks between key
sectors.
3. Integrating stakeholder input into climate change
impacts and adaptation research through the
development of participatory scenarios.
4. Analysing the cost-effectiveness of adaptation
strategies.strategies.
5. Identifying vulnerability hotspots through metrics of
impacts and adaptive capacity across sectors.
6. Investigating sources of uncertainty to inform
appropriate policy options.
www.climsave.eu
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Driverse.g. Policy,Economy,
Demography, Society,
Technology(exogenous)
States
Supportingservices
Provisioning,regulating &
culturalservices
Socio-ecological system
Ecosystemservice
beneficiaries
AutonomousadaptationBaseline/Futures
Sensitivity
PressuresClimate change,
e.g. temperature, Precipitation,Sea level rise,
Extreme events(endogenous)
Impacton
provision ofservices
beneficiaries(ESB)
Past, present and possible
futures Metrics of impacts for
Vulnerability
ExposureResidualimpact
ResponsesPlanned adaptation
strategiesCost-effectiveness
of adaptationmeasures
impacts forcross-sectoral
comparisonTrade-offs
Adaptivecapacity
www.climsave.eu
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Use of bioclimate envelope models in a local context
Location of Burnham Beeches, SAC
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220 hectares of ancient semi-natural woodland, wood pasture, heath & mire:
SSSI, NNR, SAC
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Burnham Beeches
�105 species modelled (90 plants, 6 birds, 4 mammals, plants, 6 birds, 4 mammals, 2 butterflies, 1 amphibian, 1 ant and 1 beetle)
�Concentrated on two main habitat types–Woodland (acid beech & –Woodland (acid beech &
oak)
– Heathland (wet & dry)& dry)
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Fagus sylvatica (Beech)
Observed distribution (L) Simulated Simulated current potential suitable climate space (R)
HadCM3 A2 scenarios
2020s 2050s 2080s
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Results – beech woodland�Beech appeared more resilient than in
previous studies (growth loss but not complete disappearance)
�Most sensitive species likely to be:– Betula spp., Acer pseudoplatanus, Fraxinus
excelsior and Quercus spp.
– Rubus fruticosus, Oxalis acetosella, Arum maculatum, Melampyrum pratense
Overall scenario: Woodland more open and of lower canopy, scrubby species like whitebeam
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Implications of climate change for conservation of beech woodland
�Ensure next generation of canopy tree species survives to be future pollardspollards
�Drought effects likely to be compounded by other stresses such as root compaction & high nutrient levels
�Masting frequency & production may change
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Indirect effects – some potential to increase sensitivity
�Pests & pathogens– E.g. Phytophthora sp. and heather beetle– E.g. Phytophthora sp. and heather beetle
�Grey squirrels
�Changes in palatability of different species
�Some rare (desirable) species may increase – E.g. sand lizard and
Dartford warbler
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Woodland adaptation measures (1)
�Reduce other stresses– E.g. air pollution, compaction, other demands for
water, squirrel damagewater, squirrel damage
�Habitat restoration– Buffer existing reserves, assist migrating species
� Increase landscape connectivity
� Increase size of the reserve& number of � Increase size of the reserve& number of reserves The image cannot be displayed. Your computer may not have enough memory to open the image, or the image may have been corrupted. Restart your computer, and then open the file again. If the red x still appears, you may have to delete the image and then insert it again.
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Woodland adaptation measures (2)
� Increase habitat heterogeneity– Reintroduce grazing over wider area
�Focus conservation efforts on north facing slopes
� Introduction of a wider range of genotypes
�Re-introduce species– Lime (Tilia) more tolerant than oak (Quercus robur)
� Introduce new species� Introduce new species– To maintain structure e.g. downy oak (Q. pubescens),
Mediterranean heathers (e.g. Erica vagans)
– To maintain function, especially wood decay
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Issues beyond the scope of a site manager
• Decisions on introducing non-native species/genotypes e.g. Holm oak (Q. ilex)species/genotypes e.g. Holm oak (Q. ilex)
• Which tree species are good replacements for native species?
• Increasing size, number and connectivity of reserves and buffering themreserves and buffering them
• Other research needs e.g. relationship of beech & water tables on different soil types, wood decay
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Future challenges (1)
- to understand the ecological underpinnings of service provision, ecosystem dynamics, and methodologies and provision, ecosystem dynamics, and methodologies and tools for ecosystem service assessment
- to understand how various drivers are affecting ecosystemservices and to develop tools to predict how these changes might affect the provision of ecosystem services in the future.
- to develop adequate classifications of services and values, enhance value estimates and incorporate thedynamic nature of ecosystems in valuation methodologies
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Future challenges (2)
- to understand further how traits affect relationships between organisms in different trophic levels and how between organisms in different trophic levels and how these are affected by environmental change and affect service provision
- to further investigate the sustainable provision ofecosystem services within the bounds of management for conservation
- to research the links between governance, public perceptions and attitudes, planning and communication of ecosystem services.
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Further information on RUBICODE
Website: www.rubicode.netWebsite: www.rubicode.net
Papers: Biodiversity Conservation –
September 2010
Further information on CLIMSAVE
Thank you!
Website : www.climsave.eu
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Known and potential relationships between mitigation and adaptation measures and their impacts on biodiversity
Win-Lose-Win Win-Lose-Lose
Positive NegativeEffect on biodiversity
www.macis-project.net
Urban tree planting
Forest pest control
Large dams
Wind turbines
Low-till cultivation
Afforestation
Biofuels
Improved building insulation
Win-Win-Win
Win-Lose-Win Win-Lose-Lose
Win-Win-Lose
Forest conservation
Green rooftops
Urban tree planting
Increased farmland irrigation
Sea wall defence
New desalination plantsEx-situ conservation
Lose-Win-Win
Flood control infrastructure
Species translocation
Lose-Win-Lose Paterson et al. (2008)
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