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Coral ecosystems of West Maui support a vibrant tourism industry and provide tangible economic benefits to the community. Hawaiian nearshore reefs generate about $800 million in annual revenue, not including the ecosystem services they provide - such as critical habitat for diverse fish species and buffering coasts from storm surges. The Hawaiian economy depends on healthy coral ecosystems, yet reefs are currently facing multiple threats, including changing climate conditions, local land-based pollution, and sediment erosion. Erosion of soils into nearshore coastal zones is a chief concern facing land managers in West Maui. Intermittent rainfall can carry sediment from sources such as dirt roads, agricultural fields,...
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The conditions of coral reefs in the Hawaiian Islands are predicted to decline significantly from climate change over the next 100 years. To better prepare for the impacts of climate change on Hawaiian reefs, the research team uses a system of models to simulate ocean waves and circulation, rainfall and storm run-off, and coral reef community dynamics through the year 2100. These models will identify reef areas that are either vulnerable or resilient to the many stressors that the future may hold for reefs. The team’s hope is that this work can identify areas that might benefit from management actions to minimize local stressors such as land-based pollution. Through a collaborative partnership with state and federal...
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This project was designed to use climate models to produce projections of changes in sea temperatures and ocean chemistry for coastal marine areas in Micronesia as well as reports that describe the outlook of culturally important marine sites in Guam and CNMI. The projections and maps were expected show what the current state of climate science suggests the future holds for marine areas in Micronesia if we continue to use fossil fuels aggressively. These projections of sea conditions will become the foundation of outlook reports for Tumon Bay in Guam, Lao Lao Bay and Saipan Lagoon in Saipan, and northern Tinian Island. The selected areas are among the most important sites for recreation in Guam and CNMI and, as...
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Coral reefs are some of the most biologically rich and economically valuable ecosystems in the world. They provide food, fishing, and recreation opportunities for millions of people, protect coastlines from storms, and shelter thousands of plant and animal species. However, climate change is contributing to the degradation of coral reefs in two significant ways: warming temperature and increasing acidification of ocean waters. Scientists are actively working to gather more specific information about how these factors will impact coral reef ecosystems. The purpose of this study was to identify differences in climate vulnerability among three important reef-building coral species in the Florida Keys. Researchers...
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Coral reefs provide numerous ecosystem goods and services critical to human well-being (e.g., protection from storms and floods, food, income, recreation, and cultural practices), but they are threatened by growing human pressures and climate change. Resource managers must make complex decisions when developing adaptation plans that are cost-effective and maintain coral reef functions while still allowing for human use and development. Through this project, scientists developed a decision-support tool for managers to (1) identify the areas that provide the most critical coral reef services (i.e., supply the most value to humans) as well as the areas of reef most threatened, and (2) compare the effects of reef management...
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Coral reefs are sometimes called “rainforests of the sea” because of their immense biological diversity and economic value. While coral reefs are sensitive to changes in their environment such as altered temperature or pollution, some reefs are more resilient, or able to recover from disturbance more quickly, than others. The overarching objective of this project was to gather information on coral reef resilience and vulnerability to climate change that could inform coastal management decision-making in the Commonwealth of the Northern Mariana Islands (CNMI). Scientists collaborated with local managers to survey reefs at 78 locations throughout the CMNI and evaluate indicators of resilience, such as numbers of juvenile...
    map background search result map search result map Impact of Ocean Warming and Acidification on Growth of Reef-Building Corals Projections of Future Coral Reef Communities in DOI-Managed Coastal Areas in the Hawaiian Islands Coral Reef Resilience to Climate Change in the Commonwealth of the Northern Mariana Islands Valuing Climate Change Impacts on Coral Reef Ecosystem Services Assessing the Sustainability of Culturally Important Marine Sites in Guam and CNMI Understanding Sediment Transport to Coastal Waters and Coral Reefs in West Maui Understanding Sediment Transport to Coastal Waters and Coral Reefs in West Maui Coral Reef Resilience to Climate Change in the Commonwealth of the Northern Mariana Islands Assessing the Sustainability of Culturally Important Marine Sites in Guam and CNMI Projections of Future Coral Reef Communities in DOI-Managed Coastal Areas in the Hawaiian Islands Impact of Ocean Warming and Acidification on Growth of Reef-Building Corals