natural solutions for climate change impacts in tropical seas presentation courtesy of rod salm...
TRANSCRIPT
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Natural Solutions for Climate Change Impacts in Tropical Seas
Presentation Courtesy of Rod Salm & The Nature Conservancy
Insert photo of healthy local/regional reef here!
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Warmer Seas Rising Seas Disease
Altered Currents
Stronger Storms
Acidification
New challenges from climate change
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What is lost when corals die?
Insert series of 3 photos – 1st a healthy reef, then a degraded reef, then a photo of effects of damaged reef (like coastal damage
from storm) – over top the 2nd and 3rd photo place the text ‘People Lose’
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Nature’s Infrastructure provides …
Multiple direct benefits:• Shoreline protection, food, jobs, carbon
sequestration (mangroves)• Sustainable development
Cost effective, sustainable solution:• Value of coral reefs: $31 – 600 thousand/sq.
km• Shoreline protection cost: $250,000 – $15
million/km
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What resilience looks like for corals
high cover
high diversity
low disease
broad size range
strong recovery
good substrate
good water quality
healthy herbivores
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Insert photo of healthy reef here
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What resilience looks like for mangroves
high recruitment
high diversity
dense stands
established zones
room to expand
good hydrology
Insert photo of mangrove propagules in abundance or a
close up of large stand of mangroves
Insert aerial photo of mangrove forests
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Representation and Replication
Habitat TypesMultiples
Risk Spreading
Connectivity
Transport Replenishment
Strong RecruitmentEnhanced Recovery
Effective Management
Threat AbatementAdaptive Strategies
TNC Resilience Model
Critical Areas
RefugiaSpawning Aggregations
Secure Sourcesof Seed
RESILIENCE
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Representation and Replication
Habitat TypesMultiples
Risk Spreading
fore-reef
shallow patch
Manage for uncertainty
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Critical AreasRefuges
Spawning AggregationsSecure Sources
of Seed
Protect refugia
Insert image of healthy coral in naturally turbid/cloudy waters
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© Paul Marshall
Connectivity
Transport Replenishment
Link with refuges – recovery
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Strong RecruitmentEnhanced Recovery
Effective Management
Threat AbatementAdaptive Strategies
Control threats – reduce stress
Include several photos of local threats (e.g., fishing, industry,heavy
tourism, etc.)
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The Coral Triangle
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Resilience in practice: Kimbe Bay, Papua New Guinea
Large, well defined bay (140 x 70 kms)
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Kimbe MPA network design objectives
• To maximize biological objectives by taking into account key biological and physical processes
• To maximize benefits and minimize costs to local communities and sustainable industries
© TNC © TNC
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1. Conserve representative examples of each habitat type
2. Aim to include a least 3 replicates and 20% of the area of each bioregion
3. Include special and unique areas including:• areas more resistant / resilient to coral bleaching• areas that support high species diversity
4. System wide approach that recognizes patterns of connectivity within and among ecosystems
5. Include entire biological units (e.g., whole reefs)• choose bigger over smaller areas
Kimbe MPA network design principles
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1.Engage communities and get their support• use traditional management framework if
possible
2.Keep reefs healthy through effective management• healthy reefs more likely to survive major
impacts
3.Consider both sea- and land-based threats
Kimbe MPA network management principles
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Kimbe MPA network design process
• 02/04-07/06• 1st science workshop objectives, boundaries,
design principles• Priority research minimum data for design
best data in GIS layers
• 2nd science workshop GIS data layers revised• MARXAN analysis network design options
• 3rd science workshop scientific network design
• 07/06-present• Finalize, negotiate network design with stakeholders• Implementation
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Kimbe resilient MPA network design
© TNC
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Hawaii
E Tropical Pacific
Palmyra
Micronesia
Coral Triangle
Stepping stones across the Pacific
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A Leadership Role for Your Country
Your Government policies can:
Support resilience research & field applications
Ensure that nature-based adaptation is:• Integral to CC adaptation & development programs• Adopted internationally as a viable, good investment• Key component of international framework on CC
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If the perils of our time are unprecedented, then so are the
opportunities. – Anonymous
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