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Coral reefs are declining worldwide due to a combination of stressors, but climate induced ocean warming is the biggest threat. Warming oceans lead to ‘coral bleaching’ and frequent death, compromising the structure and function of reefs. The increasing frequency and severity of bleaching means that human intervention is needed to support the adaptive capacity of reefs. Most proposed interventions involve the movement of corals, but the outcomes of these strategies are almost completely unknown. To bridge this knowledge gap, this project aims to assess how restoration to enhance resilience within coral reefs can effectively reduce climate change threats while also gaining a better understanding of socio-cultural...
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Coral reef ecosystems serve as natural coastal defenses, support local island economies, and are important sources of food for coastal communities. However, an increase in coral bleaching events, and the associated declines of coral cover and diversity, are highly likely as sea surface temperatures continue to rise. Multiple coral bleaching events between 2013 and 2017 have already impacted the reefs of Guam and the Commonwealth of the Northern Mariana Islands, resulting in the loss of more than a third of shallow living-coral cover, with some species groups experiencing greater than 90% mortality. This devastating series of bleaching events strengthened existing partnerships between federal and local agencies and...
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Coral reefs are critical providers of food, economic opportunity, and cultural value in the Pacific Islands. Coral bleaching events, driven by extreme water temperatures, jeopardize reefs’ ability to continue providing these services. Climate change is increasing the frequency and intensity of marine heat waves leading to bleaching events, reducing the amount of time for full recovery, and increasing the chances of permanent damage to reefs. Reef managers urgently need strategies that will improve reef resilience, increasing the reefs’ ability to withstand harsh conditions or recover quickly after damage. Example strategies include restoring coral in areas with good conditions for coral survival, protecting naturally...
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The Republic of Palau, a Freely Associated State of the U.S. and a global leader in ocean conservation, recently implemented the Palau National Marine Sanctuary, which closed 80% of its ocean to fishing. As offshore fish become scarcer in the domestic market, managers have begun to worry about increased harvesting pressure on already overfished nearshore environments. This pressure, in addition to stressors from land-use change, sea-level rise, and warming oceans, could threaten the food and economic security of many Palauans. However, adaptively managing stressors in an integrated way can mitigate declines and even promote recovery, while still being cost-effective, resulting in direct benefits to coastal communities....
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Underwater video imagery was collected in March 2014 in the nearshore waters of Faga'alu Bay on the Island of Tutuila, American Samoa, as part of the U.S. Geological Survey Coastal and Marine Geology Program's Pacific Coral Reefs Project. Included here are 40 video files in .mpg format and an Environmental Systems Research Institute (ESRI) shapefile with location (navigation) points every two seconds.
map background search result map search result map Underwater video footage, March 2014, Faga'alu Bay, Tutuila Island, American Samoa Using Cutting-Edge Technology to Assess Coral Reef Bleaching Events and Recovery Rates in Guam and the Commonwealth of the Northern Mariana Islands Examining How Ridge-to-Reef Governance in Palau Can Enhance Coastal Food Security in a Changing Climate Ecological and Socio-Cultural Responses to Transplanting Corals to Enhance Reef Resilience Near Oʻahu Identifying Locations for Coral Reef Climate Resilience Underwater video footage, March 2014, Faga'alu Bay, Tutuila Island, American Samoa Examining How Ridge-to-Reef Governance in Palau Can Enhance Coastal Food Security in a Changing Climate Ecological and Socio-Cultural Responses to Transplanting Corals to Enhance Reef Resilience Near Oʻahu Using Cutting-Edge Technology to Assess Coral Reef Bleaching Events and Recovery Rates in Guam and the Commonwealth of the Northern Mariana Islands Identifying Locations for Coral Reef Climate Resilience