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The Hawai‘i Drought Knowledge Exchange project has been successfully piloting three sets of formal collaborative knowledge exchanges between researchers and managers to co-produce customized, site specific drought data products to meet the needs of their partners. Through these pilots, knowledge co-production has demonstrated how active collaboration between researchers and managers in the design and production of data products can lead to more useful and accessible applications for drought planning and management. Resource managers have strongly embraced the need for better and more timely information on climate change, variability and drought, as these stressors exert a large and costly impact on resources...
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Over the past century, Hawaiʻi has experienced a pronounced decline in precipitation and stream flow and a number of severe droughts. These changes can have wide-reaching implications, affecting the water supply, native vegetation and wildlife, wildfire patterns, and the spread of invasive species. Several climate-related factors are influencing Hawaiˈi’s landscapes and contributing to these changes. These include climate change, climate variability, and drought (referred to collectively as CCVD). Climate variability describes how the climate fluctuates on a yearly basis around average values, while climate change describes patterns of long-term continuous change in the average. While it is understood that CCVD...
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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 climate in Hawai‘i is changing, and alterations in rainfall amount and distribution have implications for future vegetation cover, non-native species invasions, watershed function, and fire behavior. As novel ecosystems and climates emerge in Hawai‘i, particularly hotter and drier climates, it is critical that scientists produce locally relevant, timely and actionable science products and that managers are able to access the best-available science. Managers and researchers have identified that a knowledge exchange process is needed for drought in Hawai‘i to allow for formal collaboration between the two groups to co-produce drought data and products. To address this need, this project will pilot a focused...
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2018 was a record-breaking year for wildfires in Hawai‘i with over 30,000 acres burned statewide, including the habitat of the Oʻahu chewstick, a critically endangered flowering plant with less than 50 individuals remaining. The frequency and severity of wildfire in Hawai‘i has been increasing, and this trend is predicted to worsen with climate change. Wildfires are promoted by highly flammable invasive plants, which can spread across the landscape, providing a widespread fuel source to feed large fires that are hard to control. However, different plant species vary in their flammability, so wildfire risk depends not only on climate, but also on which plants are present. A major concern is that new non-native plants...
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Droughts in the Hawaiian Islands can enhance wildfire risk, diminish freshwater resources, and devastate threatened and endangered species on land and in nearshore ecosystems. During periods of drought, cloud-water interception, or fog drip (the process by which water droplets accumulate on the leaves and branches of plants and then drip to the ground) in Hawai‘i’s rain forests may play an important role in providing moisture for plants, reducing wildfire risk within the fog zone, and contributing to groundwater recharge (the process by which water moves downward from the surface through the ground to the groundwater table) that sustains water flow in streams during dry periods. Estimates of the changes in water...
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Some areas of the U.S. Affiliated Pacific Islands (USAPI) are experiencing a decline in precipitation and streamflow and an increase in the number of severe droughts. These changes can have wide-reaching implications, affecting the water supply, native vegetation and wildlife, wildfire patterns, and the spread of invasive species. As ecosystems become altered by invasive species and as particularly hotter, more variable climates emerge, it is critical that scientists produce locally relevant, timely, and actionable science products for managers to prepare for and cope with the impacts of drought. Simultaneously, it is important that managers are able to both access this information and shape the types of data products...
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Hawaiʻi is known as the “endangered species capital of the world,” an unwelcomed label brought on by more than a century of habitat destruction, invasive species spread, and pollinator and seed disperser declines. Hawaiʿi is home to 400 endangered plant species, most of which are found nowhere else in the world. Conservation managers have spent decades putting enormous effort into carefully reintroducing thousands of rare plants into protected forests, but the ability of reintroduced populations to persist over the long-term is unknown, especially as climate change shifts patterns of temperature, rainfall and species interactions. Managers need more information to identify locations that will be the most suitable...
    map background search result map search result map Influences of Climate Change, Climate Variability, and Drought on Human Communities and Ecosystems in Hawaiʻi Effects of Drought on Soil Moisture and Water Resources in Hawai‘i Working with Natural Resource Managers to Co-Produce Drought Analyses in Hawai‘i Predicting the Effects of Climate Change on the Spread of Fire-Promoting Plants in Hawai‘i: Assessing Emerging Threats to Rare Native Plants and Ecosystems Climate Change, Variability, and Drought in the U.S.-Affiliated Pacific Islands – Working with Managers to Mitigate the Impacts of Drought and Wildfire Scaling up the Hawai‘i Drought Knowledge Exchange: Expanding Stakeholder Reach and Capacity to Address Climate Change, Variability, and Drought Linking Models to Outcomes – How do Hawaiʻi Stakeholders Use and Contribute to Land-to-Sea Ecosystem Service Analyses Assessing the Effects of Management Interventions and Climate Variability on Reintroduced Hawaiian Rare Plants Effects of Drought on Soil Moisture and Water Resources in Hawai‘i Influences of Climate Change, Climate Variability, and Drought on Human Communities and Ecosystems in Hawaiʻi Predicting the Effects of Climate Change on the Spread of Fire-Promoting Plants in Hawai‘i: Assessing Emerging Threats to Rare Native Plants and Ecosystems Assessing the Effects of Management Interventions and Climate Variability on Reintroduced Hawaiian Rare Plants Working with Natural Resource Managers to Co-Produce Drought Analyses in Hawai‘i Scaling up the Hawai‘i Drought Knowledge Exchange: Expanding Stakeholder Reach and Capacity to Address Climate Change, Variability, and Drought Linking Models to Outcomes – How do Hawaiʻi Stakeholders Use and Contribute to Land-to-Sea Ecosystem Service Analyses Climate Change, Variability, and Drought in the U.S.-Affiliated Pacific Islands – Working with Managers to Mitigate the Impacts of Drought and Wildfire