areas supporting resilience to climate change impacts
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Areas supporting resilience to climate change impacts. Intact ecosystems have the potential to reduce climate change impacts on society through supporting resilience to climate change impacts ( ecosystem based adaptation ) - PowerPoint PPT PresentationTRANSCRIPT
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Areas supporting resilience to climate change impacts
– Intact ecosystems have the potential to reduce climate change impacts on society through supporting resilience to climate change impacts (ecosystem based adaptation)
– Particular parts of the country are of particularly high value for supporting cc resilience
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Key areas• Protection of areas with high diversity of habitats • Protection of environmental gradients • Protection of meso-scale refugia
– South facing, gorge habitats• Corridors
– Riparian – Escarpments
• Larger well linked unfragmented natural ecosystems
• Buffer systems:– Riparian and coastal
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High diversity of habitats• Diversity
– Biomes– Bioregions– Vegetation types
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GradientsPrecipitation gradients
Topographic gradients
Temperature gradients
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Refugia
South Facing Slopes Gorges/kloofs
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Corridors
Riparian corridors Coastal processes
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High value connected habitats
Large unfragmented landscapes which meet targets
Protected areas
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Other components
Intact centres of endemism
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Corridors
Gradients Diversity
Endemism
Refuge sitesPriority unfragmented
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Areas supporting resilience to climate change impacts
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Now what?
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1.) Dark areas (both green and orange) are important for adaptation (corridors, gradients etc)2.) Green areas are likely to remain within their current biome 3.) Orange areas are likely to be under structural pressure
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“Critical Biodiversity Areas”Critical Biodiversity Areas
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Social and economic prioritization
• Catchments (ground water recharge etc)• Communal grazing lands• Proximity to communities
• Identify the most important subset as the priority areas for Ecosystem Based Adaptation
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Now what? (2)Way forward
• Tech stuff:• Revised & independent climate data• New method – “Maxlike”
• Social and location specific:• Identify the subset of areas supporting
cc resilience which are most important for society “ecosystem based adaptation”
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• All is not lost for the Succulent Karoo!! Very important message.
• The protection of priority intact natural landscapes is the cornerstone of ecosystem based adaptation
• These areas are important for:– Societal adaptation to climate impacts– Risk mitigation– Ongoing delivery of ecosystem services (e.g. water)– Biodiversity (including species) adaptation
• Both high impact and low impact areas are important but for different reasons and need to be prioritized appropriately based on specific context
Headline messages
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• We can identify important areas to give positive benefit under a wide range of scenarios and with current high levels of uncertainty (i.e. We are not dependent on climate boffins giving us the answer)
• These areas need to be protected through a range of spatial mechanisms:– Land management interventions (e.g. CSA’s projects)– Land use controls and zoning (including Bioregional Plans)– Protected area expansion (stewardship and other mechanisms for PA
expansion)– Industry interventions (Place based spatial planning with mining, agriculture
and industry)
Headline messagesHeadline messages (2)