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Global sea-level rise (SLR) is projected to accelerate over the next century, with research indicating that global mean sea level may rise 18–48 cm by 2050, and 50–140 cm by 2100. Decision-makers, faced with the problem of adapting to SLR, utilize elevation data to identify assets that are vulnerable to inundation. This paper reviews techniques and challenges stemming from the use of Light Detection and Ranging (LiDAR) digital elevation models (DEMs) in support of SLR decision-making. A significant shortcoming in the methodology is the lack of comprehensive standards for estimating LiDAR error, which causes inconsistent and sometimes misleading calculations of uncertainty. Workers typically aim to reduce uncertainty...
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The objective of this experimental research is to determine if genetic enrichment may enhance survival, growth, and adaptation of important native Hawaiian montane plant species to changing precipitation patterns by relocating conspecifics to more favorable climate regimes at higher elevation. We will collect the seeds of montane plants from low and high eevation sources, conduct outplanting trials in common locations along an elevation gradient, and monitor growth, survival, and vigor over a two_year period to evaluate a potential restoration strategy for mountain parklands of Mauna Kea, on the island of Hawaii.
In this five-minute video Eric Vanderwerf tells the heroic story of Pacific Rim Conservation creating new nesting colonies for Black-footed and Laysan Albatross at James Campbell National Wildlife Refuge on Oahu. Sea level rise and extreme weather events will threaten the survival of their nests all throughout the Northwestern Hawaiian Islands. This translocation effort to higher islands and choosing locations that are predator free will hopefully be the beginning of conservation actions that will help preserve these magnificent birds. We hope you are inspired by these efforts and we need your help amplifying this story and inspiring the next generation to get involved. This project shares an example of how we can...
Cooperative Extension agents and specialists in the College of Tropical Agriculture and Human Resources (CTAHR) at the University of Hawaii at Manoa (UHM) are in a critical position to improve food security, ecosystem services, and local livelihoods in the face of climate change due to their expertise and client-based relationships. However, there has been little systematic effort to increase the knowledge of climate science or climate change mitigation and adaptation among Cooperative Extension faculty in the Pacific region. The Hawaii Extension Climate Forum was designed to engage Cooperative Extension faculty in critical dialogue about the impacts of climate change on agriculture and natural resources in Hawaii....
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Several cut disks and tree cores of Mamane trees growing on Hawaii Island that were subsampled and analyzed for carbon isotope determination. Isotope determination is at the 100µm resolution; tree samples are within an area of ~100 km2.
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Coral reef ecosystems are exposed to a diverse suite of environmental forcing. Waves, wind, currents, temperature, irradiance, salinity, nutrients, turbidity, aragonite saturation state, and planktonic productivity each influence coral reefs to varying degrees, fluctuating on daily, seasonal and interannual time scales and across spatial scales spanning reefs, islands and archipelagos [1-3]. Environmental forcing is highly influential to reef ecosystem process and function, including coral reef extent and growth rates and the abundance, diversity, and morphology of reef organisms [1, 4]. Through time, coral reef ecosystems have adapted to exist within a particular climatological setting; a finite range in long-term...
Corrections to the article “Statistical downscaling of rainfall changes in Hawai‘i based on the CMIP5 global model projections” published (online) in JGR-Atmospheres 12 JAN 2015
For many species the threats of climate change occur in a context of multiple existing threats. Given the current focus of global change ecology in identifying and understanding species vulnerable to climate change, we performed a global analysis to characterize the multi-threat context for species threatened by climate change. Utilizing 30,053 species from the International Union for Conservation of Nature’s (IUCN) Red List of Threatened Species, we sought to evaluate if species threatened by climate change are more likely threatened by a greater number of non-climatic threats than species not threatened by climate change. Our results show that species threatened by climate change are generally impacted by 21%...
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This project will develop first-ever maps of ecosystem types (landcover) for the Mariana Islands. Native and alien plant communities will be classified and delineated using high-resolution satellite imagery, data from ground surveys, and new surveys where needed to ground-truth the classification. This effort will inform prioritization of conservation actions and will allow projection of future vegetation changes with climate change
Potential Impacts of SLR on Native Coastal Vegetation and Cultural Resources Final Report
Final Report for Learning from Traditional Ecological Knowledge to understand Climate Change Impacts and Preserve Key Cultural and Natural Resources in Ka’upulehu, Hawaii
Final Report for Integrating detailed assessments of climate threats on Pacific coral reefs and responses of traditional Hawaiian communities into management planning
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Islands exhibit the planet’s most unique flora and fauna, but biodiversity on islands is also vulnerable to the impending forces of global change. The Micronesian high island of Pohnpei exemplifies the diversity of oceanic islands, as it is home to the world lowest montane-cloud forest, vast mangrove forests, and 6 endemic bird species. We conducted a survey to assess the status of Pohnpei’s current bird population. We estimated detection rates across elevation zones, habitat-specific occupancy rates for 13 species, and habitat specific densities for 10 species. We coupled results with data from previous surveys to assess the potential impacts of vegetation change on Pohnpei avifauna during the last three decades....
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In Hawaiʽi and elsewhere, research efforts have focused on two main approaches to determine the potential impacts of climate change on individual species: estimating species vulnerabilities and projecting responses of species to expected changes. We integrated these approaches by defining vulnerability as the inability of species to exhibit any of the responses necessary for persistence under climate change (i.e., tolerate projected changes, endure in microrefugia, or migrate to new climate-compatible areas, but excluding evolutionary adaptation). To operationalize this response-based definition of species vulnerability within a landscape-based analysis, we used current and future climate envelopes for each species...
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Expansion of deadly, mosquito-borne bird diseases such as avian malaria into Hawaiʽi’s high elevation forests as a result of global warming is one of the most significant threats facing the state’s rare native forest birds. Few practical options for control of disease-carrying mosquitoes over large landscapes are available, however. The best hope for remaining species of native birds may be the development of tolerance or resistance to this introduced disease. Therefore, understanding how tolerance and resistance evolve and developing ways to speed this process may be good proactive strategies for addressing impacts of climate change. We evaluated ways to rapidly measure a bird’s natural immunity with the hope that...
The Pacific Island Climate Change Cooperative (PICCC) Climate Change Adaptation Video Series are a series of video created in close coordination with the PICCC profiling case studies of climate change adaptation as conducted by conservationists in Hawaiʻi. The videos are necessary in order to help educate, inform, and inspire the general public, peers, and potential conservation managers. The goals and objectives of the videos are to be engaging, exciting, and candid.
map background search result map search result map Reconstructing past Hawaiian precipitation using stable carbon isotope analysis of Māmane trees Mamane sample sites Immunological Markers for Tolerance to Avian Malaria: Tools for Identifying Disease-Tolerant Individuals for Translocations and Captive Propagation Effects of Landscape Change on Island Birds Oceanographic time series and climatologies for the Pacific Islands Regional Climate Assessment A landscape-based assessment of climate change vulnerability for native Hawaiian plants Landcover mapping in the Mariana Islands as a baseline for evaluating future climate change effects Facilitating Adaptation in Montane Plants to Changing Precipitation along an Elevation Gradient Forest Bird Challenges and Opportunities dataset Reconstructing past Hawaiian precipitation using stable carbon isotope analysis of Māmane trees Mamane sample sites Effects of Landscape Change on Island Birds Facilitating Adaptation in Montane Plants to Changing Precipitation along an Elevation Gradient Immunological Markers for Tolerance to Avian Malaria: Tools for Identifying Disease-Tolerant Individuals for Translocations and Captive Propagation Landcover mapping in the Mariana Islands as a baseline for evaluating future climate change effects A landscape-based assessment of climate change vulnerability for native Hawaiian plants Forest Bird Challenges and Opportunities dataset Oceanographic time series and climatologies for the Pacific Islands Regional Climate Assessment