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Understanding Ecosystem Thresholds in Global Change Living with climate change: are there limits to adaptation? Tyndall Centre and GECHS 2008 Dennis Ojima Robert Corell (ojima@heinzctr.org) T HE H. J OHN H EINZ III C ENTER FOR S CIENCE, E CONOMICS AND THE E NVIRONMENT
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Global Climate Change and Impacts Impacts to Ecosystems Adaptation Strategies OUTLINE T HE H. J OHN H EINZ III C ENTER FOR S CIENCE, E CONOMICS AND THE E NVIRONMENT
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Warming greatest at high latitudes 5 warmest years: 1998, 2002, 2003, 2004, 2005 5 warmest years: 1998, 2002, 2003, 2004, 2005 Amplification of warming due to decrease of albedo (melting of snow and ice) Amplification of warming due to decrease of albedo (melting of snow and ice)
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IPCC 2007
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Signals from nature T HE H. J OHN H EINZ III C ENTER FOR S CIENCE, E CONOMICS AND THE E NVIRONMENT Lara Hansen / WWF Jeremy Little / University of Washington
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Source: Camille Parmesan Spring comes about 2 weeks earlier Across the USA, tree swallows are nesting 9 days earlier than 40 years ago Laying date is highly correlated with May temperature
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PINE BARK BEETLE OUTBREAK
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(1) Predator – aggressive Bark Beetle (2) Co-evolution – host defenses Small weak predator / large dangerous prey Mass Attack strategy (3) Required synchrony of emergence at appropriate time of year (4) No diapause – direct Temperature Control of Seasonality MPB BASIC ECOLOGY Interesting question: Focus of seasonal temperature triggers for overwintering populations and synchronous emergence without diapause J. Logan
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Now 385 ppm Now 385 ppm 650 ppm 3.5 o C 650 ppm 3.5 o C 450 ppm 2 o C 450 ppm 2 o C 550 ppm 3 o C 550 ppm 3 o C Ocean Acidification Pine Bark Beetles Sea Level Rise Biosphere Vulnerabilities Coral Bleeching A Concept for a Adaptation/Impacts Multi-Space A framing within which coping strategies are addressed Time Scale: This Century
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ADAPTATION DESIGN Adaptive Management practices are local and need to take into account the complex, non-linear behaviour of socio-ecological systems Use of appropriate scenarios and downscaling techniques of climate change effects Full risk/uncertainty assessments Projects need to be linked to capacity building & technology transfer Co-development of an integrative management plan should treat the system as a socio-ecological system
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Downscale Key Parameters at needed Scale Develop the 4 Quad Scenarios with Drivers Tease out Key Projections with Multi-Stresses Set the Time Scales visa Climate Conditions Craft and Implement Long-Range Plan Frame the Downscale 4 Quad Scenarios Set Time Scale Controlling Projections Frame the Context and Scale (cities, water, etc.) 25-40 yr. Implementation Plan Key Tracking Indicators and Evaluate Progress Track Progress A Coping/Adaptation Cascade A Process to Craft a Long-Term (i.e., 25-40 years) Continuously Up-datable Adaptation Plan Focused on Climate Change with Exacerbating Stresses Problem
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Governance and Policy Actions Socio-Environmental Processes GWG Conc. Processes Respond Rapidly These Processes Respond very Slowly Aggressive Policy Action Weak to Little Policy Action “Lots” of Luck Scenario 1.Scenario Details 2. 3.. n Easy Street Scenario 1. Scenario Details 2. 3.. n “Get with it” Scenario 1. Scenario Details 2. 3.. n “Well just Delay” Scenario 1. Scenario Details 2. 3.. n 4 Quad Scenario Framework
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Infrastructure Household Decision-making Political Economy, Institutions Change Scenarios Climate and other Environmental Influences Land Use Economy Land Tenure Ecosystem services Cooperation/ Enabling Mechanisms Demography Mitigation Adaptation Strategies (long-term) Coping Tactics (short-term) T 1 Household goals, Initial conditions Resilience / Vulnerability Galvin et al DECISION MAKING FRAMEWORK
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Application of Adaptation Cascade in partnership with local communities, states, and other resource management entities Development of Adaptive management strategies to deal Ecological Thresholds Developing technological, scientific, socio-economic tools for addressing adaptation needs SUMMARY T HE H. J OHN H EINZ III C ENTER FOR S CIENCE, E CONOMICS AND THE E NVIRONMENT
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A Survey of Climate Change Adaptation Planning http://www.heinzctr.org/NEW_WEB/PDF/ Adaptation_Report_October_10_2007.pdf T HE H. J OHN H EINZ III C ENTER FOR S CIENCE, E CONOMICS AND THE E NVIRONMENT
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