Global climate change adaptation priorities for biodiversity and food security

International policy is placing increasing emphasis on adaptation to climate change, including the allocation of new funds to assist adaptation efforts. Climate change adaptation funding may be most effective where it meets integrated goals, but global geographic priorities based on multiple develop...

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Bibliographic Details
Published in:PloS one 2013-08, Vol.8 (8), p.e72590
Main Authors: Hannah, Lee, Ikegami, Makihiko, Hole, David G, Seo, Changwan, Butchart, Stuart H M, Peterson, A Townsend, Roehrdanz, Patrick R
Format: Article
Language:English
Subjects:
Adaptation
Agricultural ecosystems
Agricultural production
Agriculture
Biodiversity
Biological diversity
Birds
Climate adaptation
Climate Change
Climate change adaptation
Climate models
Crops
Ecosystem integrity
Ecosystem services
Ecosystems
Environmental changes
Environmental science
Farms
Food
Food security
Food Supply
Funding
General circulation models
Global climate
Global temperature changes
Greenhouse effect
International policy
Poverty
Priorities
Shoreline protection
Species Specificity
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Summary:International policy is placing increasing emphasis on adaptation to climate change, including the allocation of new funds to assist adaptation efforts. Climate change adaptation funding may be most effective where it meets integrated goals, but global geographic priorities based on multiple development and ecological criteria are not well characterized. Here we show that human and natural adaptation needs related to maintaining agricultural productivity and ecosystem integrity intersect in ten major areas globally, providing a coherent set of international priorities for adaptation funding. An additional seven regional areas are identified as worthy of additional study. The priority areas are locations where changes in crop suitability affecting impoverished farmers intersect with changes in ranges of restricted-range species. Agreement among multiple climate models and emissions scenarios suggests that these priorities are robust. Adaptation funding directed to these areas could simultaneously address multiple international policy goals, including poverty reduction, protecting agricultural production and safeguarding ecosystem services.
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0072590