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Folders: ROOT > ScienceBase Catalog > National and Regional Climate Adaptation Science Centers > Pacific Islands CASC > FY 2021 Projects ( Show all descendants )

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For the past few years, “king tides,” or the highest tides of the year, have been occurring more frequently and significantly affecting coastal environments across Hawaiʻi. Now, disappearing beaches and waves crashing over roadways are seemingly the “new normal.” In response, the state of Hawaiʻi is implementing adaptation strategies to combat tidal flooding in coastal areas. While flood management strategies are being implemented in urban areas, less is known about how tidal flooding, and associated inundation into surface and groundwater, might influence watershed dynamics and the native animals that depend on estuarine environments where freshwater meets the sea. Efforts for biocultural restoration of ecosystem...
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The Hawaiian Islands have an extremely diverse number of plants and animals found nowhere else on Earth. Changes brought about by the arrival of humans and the introduction of non-native predators, weeds, and diseases has led to the extinction of hundreds of Hawaiian species – far more than any other U.S. state. To help the State of Hawaiʻi prevent additional species from becoming extinct and to restore at-risk species to secure population sizes, the State, along with federal, private, and scientific partners, is currently developing and implementing a comprehensive conservation plan to protect and manage over 300 declining and endangered native plants and animals on the islands of Maui, Molokaʻi, and Lānaʻi. This...
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Moloka‘i has great wetland restoration potential in Hawaiʻi, but most remaining sites are highly degraded. The future of several endangered waterbirds and insects relies on restoring coastal wetland habitat that is resilient under sea-level rise and coastal flooding. Currently, managers lack background data on Molokaʻi to prioritize sites for restoration. In this project, researchers will develop a comprehensive dataset and create a prioritization plan for coastal wetland restoration. The team will work closely with project partners and stakeholders to develop a well-vetted plan to support endangered species and meeting community needs. Existing maps and spatial data about the Molokaʻi landscape will be compiled...
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The Hawaiian Islands are both biologically and ecologically diverse. To better manage and understand this diverse landscape, detailed, reliable projections of future changes in climate are needed by Hawaiʻi resource managers, such as land managers, conservation organizations, and decision makers. Global climate models (or “general circulation models”) produce projections at regional or global scales, however, they are of limited value for managers of small island resources. Currently, large scale projections are commonly “downscaled” to project future climate variations and conditions at the local scale. However, dynamical downscaling models produce huge output datasets that are often difficult to access and use...
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Pacific Island societies value, depend on, and actively manage terrestrial and marine ecosystems for the multiple benefits they provide, including those associated with plant and animal abundance, resilience to natural disasters, and the flow of water, soil, and nutrients. New ecosystem service models developed for Pacific Island landscapes now integrate land-to-sea connections, allowing us to assess how land-based management actions and threats (e.g. changes to climate and land cover) affect ecosystem benefits, from ridge to reef. Affecting actual change on the ground, however, depends on how scientific information is accessed and used by managers and other decision makers who have the capacity to influence ecosystem...
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The territory of American Samoa is highly vulnerable to the negative effects of climate change and there are many local agencies working towards adapting to this problem. These efforts often require organization, interpretation, or presentation of large amounts of data and information. However, those who directly need these data often do not have the time or experience to synthesize them in a form that meets their needs. To help climate adaptation and natural resource managers in American Samoa meet this challenge, this project aims to build a system of open-access, web-based tools to help managers and community members collect, download, and view GIS and climate related data thereby supporting a wide range of...
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Assessments that incorporate areas from land-to-ocean, or “ridge-to-reef", are critical to examine how land-use practices are altering stream discharge and nearshore marine health and productivity. Stream systems in both Alaska and Hawaiʻi are expected to experience changes in water quality associated with changing environmental conditions and increased human-use. Watershed systems throughout the Hawaiian Islands are currently experiencing impacts from climate change that affect groundwater recharge and surface runoff, erosion, and total streamflow, and cause degradation of nearshore marine habitats. This study can provide useful insight for both Alaska and Hawaiʻi by providing resources on how patterns in stream...
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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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Hawaiʻi’s native forest birds are known worldwide for their diversity and beauty. Unfortunately, many species are heading towards extinction because of bird malaria spread by mosquitoes introduced over a century ago. Remaining populations of these highly threatened forest birds tend to be at high elevations near the tree line on mountains, where cooler temperatures limit mosquitoes and malaria development. With rising temperatures in those upslope areas due to climate change, mosquitoes and disease are starting to be found at higher elevations. In addition to warming temperatures, increasingly dry conditions change stream flow allowing for the creation of pools that provide additional larval mosquito habitat in...
    map background search result map search result map Field Surveys for Vanishing Species: Closing Data Gaps to Understand Climate Change Impacts on Hawaiian Land Snails and Preserve Biodiversity Linking Models to Outcomes – How do Hawaiʻi Stakeholders Use and Contribute to Land-to-Sea Ecosystem Service Analyses Ecological and Socio-Cultural Responses to Transplanting Corals to Enhance Reef Resilience Near Oʻahu Effect of Extreme Tidal Events on Future Sea-Level Rise Scenarios for He‘eia Fish Communities undergoing Ahupua‘a Restoration A Prioritization Plan for Coastal Wetland Restoration on Moloka‘i Predicting and Mitigating the Threat of Avian Disease to Forest Birds at Hakalau Forest National Wildlife Refuge Coral Response to Land-to-Ocean Freshwater Flux: A Ridge-to-Reef Perspective Developing the American Samoa Climate and GIS Data Portal: A Collaborative Approach to Enhancing Data Availability and Adaptation Capacity Making Regional Climate Model Outputs for Hawaiʻi More Accessible to a Diverse User Community Developing the American Samoa Climate and GIS Data Portal: A Collaborative Approach to Enhancing Data Availability and Adaptation Capacity A Prioritization Plan for Coastal Wetland Restoration on Moloka‘i Ecological and Socio-Cultural Responses to Transplanting Corals to Enhance Reef Resilience Near Oʻahu Predicting and Mitigating the Threat of Avian Disease to Forest Birds at Hakalau Forest National Wildlife Refuge Coral Response to Land-to-Ocean Freshwater Flux: A Ridge-to-Reef Perspective Field Surveys for Vanishing Species: Closing Data Gaps to Understand Climate Change Impacts on Hawaiian Land Snails and Preserve Biodiversity Linking Models to Outcomes – How do Hawaiʻi Stakeholders Use and Contribute to Land-to-Sea Ecosystem Service Analyses Effect of Extreme Tidal Events on Future Sea-Level Rise Scenarios for He‘eia Fish Communities undergoing Ahupua‘a Restoration Making Regional Climate Model Outputs for Hawaiʻi More Accessible to a Diverse User Community