7.1.1.c

Coastal Zones and Marine Ecosystems

Coastal Zones

- Without adaptations, the consequences of global warming and sea-level rise would be disastrous.

- Coastal adaptation entails more than just selecting one of the technical options to respond to sea-level rise (strategies can aim to protect, accommodate, or retreat). It is a complex and iterative process rather than a simple choice.

- Adaptation options are more acceptable and effective when they are incorporated into coastal zone management, disaster mitigation programs, land-use planning, and sustainable development strategies.

- Adaptation choices will be conditioned by existing policies and development objectives, requiring researchers and policymakers to work toward a commonly acceptable framework for adaptation.

- The adaptive capacity of coastal systems to perturbations is related to coastal resilience, which has morphological, ecological, and socioeconomic components. Enhancing resilience -- including the technical, institutional, economic, and cultural capability to cope with impacts -- is a particularly appropriate adaptive strategy given future uncertainties and the desire to maintain development opportunities.

- Coastal communities and marine-based economic sectors with low exposure or high adaptive capacity will be least affected. Communities with lower economic resources, poorer infrastructure, less-developed communications and transportation systems, and weak social support systems have less access to adaptation options and are more vulnerable.

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