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Indigenous communities make up less than 5% of the world’s population while stewarding 85% of biodiversity on the planet. In Hawaii, Native Hawaiian language resources, including proverbs, stories, and chants, provide glimpses to how people adapted with environmental rhythms, seasons, and offerings. Drought, the absence of water for agricultural, economic, and social use for a period, is important as a main water resource in Hawai‘i are clouds captured and purified by high island mountains in the middle of the Pacific Ocean. This research provides insight on Native Hawaiian relationships to drought historically as well as current practices within community-based management. Of importance are historical records of...
Categories: Publication;
Types: Citation
The mangrove forests across the Federated States of Micronesia provide critical resources and contribute to climate resilience. Locally, mangrove forests provide habitat for fish and wildlife, timber, and other cultural resources. Mangrove forests also protect Micronesian communities from tropical cyclones and tsunamis, providing a buffer against powerful waves and winds. Mangrove forests in Micronesia can store 700–1,800 metric tons of carbon per hectare (Donato and others, 2011), contributing to the estimated 5–10 billion metric tons of carbon stored by mangroves around the world (Alongi, 2018). This carbon storage is essential for global climate resilience. Mangrove forests and the benefits these ecosystems...
Molokaʻi is the fifth most populated of the eight main islands that make up the Hawaiian archipelago. Located in the middle of the Pacific Ocean, the island faces serious impacts from sea-level rise and has already experienced severe runoff and sedimentation from upland forest degradation. Coastal wetlands on the island have been degraded due to sedimentation, human alteration, and invasive species. Loʻipūnāwai (spring-fed irrigated agricultural pondfields), which were historically used to grow kalo (taro, a root vegetable), have been lost across the entire landscape except for a few scattered locations. Coastal wetlands are fundamentally important to Native Hawaiians—their function is inextricably intertwined...
Freshwater is a critical driver for island ecosystems. In Hawai‘i, though rainfall intensity has increased, total rainfall has been on the decline for the last two decades and, as a result, reduced streamflow. Climate change has fundamentally altered the water cycle in these tropical islands. The changes in dynamic patterns of streamflow could result in temporal and spatial differences in the fluvial, estuarine, and coastal habitats. These habitats support the nine native aquatic species in Hawaii at different stages of their amphidromous life cycle. To examine how changes in streamflow regime has impacted habitat quality for native migratory aquatic species, an ongoing project has examined statewide long-term stream...
A cocktail of land-based sources of pollution threatens coral reef ecosystems, and addressing these has become a key management and policy challenge in the State of Hawaii, other US territories, and globally. In West Maui, Hawai'i, nearly one quarter of all living corals were lost between 1995 and 2008. Onsite disposal systems (OSDS) for sewage leak contaminants into drinking water sources and nearshore waters. In recognition of this risk, the Hawaii State Department of Health (DOH) is prioritizing areas for cesspool upgrades. Independently, we applied a decision analysis process to identify priority areas to address sewage pollution from OSDS in West Maui, with the objective of reducing nearshore coral reef exposure...
Categories: Publication;
Types: Citation;
Tags: Coral Reefs,
Data Visualization & Tools,
Pacific Islands CASC,
Science Tools For Managers,
Water, Coasts and Ice
The Pacific Islands Climate Adaptation Science Center (PI CASC) supports sustainability and climate adaptation in communities across the Pacific Islands by providing natural and cultural resource managers with access to actionable science specific to the region. PI CASC is hosted by the University of Hawaiʻi at Mānoa (UHM) with consortium partners at the University of Hawaiʻi at Hilo (UHH) and the University of Guam (UOG). During the period of 2019 - 2024, the PI CASC consortium will strive to i) build resiliency and sustainability in ecosystems and communities to climate change impacts; ii) strive to develop the best actionable climate science, while maintaining a non-advocacy stance; and iii) apply the elements...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2019,
CASC,
Pacific Islands,
Pacific Islands CASC,
Projects by Region
PI-CASC regularly interacts with a diverse and extensive network of stakeholder organizations at federal, territory, state, county, and local levels across the Pacific Region, supporting communication and iterative problem solving between researchers, managers, and decision makers. In addition to these partnerships, PI-CASC has two important ongoing collaborative initiatives. Pacific Islands-Alaska CASC collaboration The PI-AK CASC collaboration is aimed at bringing together scientist and resource managers from the Pacific and Alaska regions to share insights on related climate adaptation challenges in Ridge-to-Reef (R2R) and Icefield-to-Ocean (I2O) ecosystems. Similarities in landscapes and communities in these...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2019,
CASC,
Pacific Islands,
Pacific Islands CASC,
Projects by Region
Aim To provide the first regional analysis of contemporary drivers of Pacific Island fire regimes. Location Islands of Palau, Yap, Guam, Rota, Tinian, Saipan, Chuuk, Pohnpei, Kosrae. Time Period 1950-present. Methods We used land cover, soil maps and contemporary fire histories to (1) describe the relationships among fire activity, vegetation, rainfall and island geography and population; (2) examine the spatial associations of forest and savanna vegetation with respect to fire and soil types; and (3) link fire and savanna distribution to intra-annual and inter-annual rainfall variability. Results Savanna extent was positively correlated with island age and the range of mean monthly rainfall. The percent of area...
Categories: Publication;
Types: Citation
The Pacific Ocean is home to a number of low-lying, coastal national parks and wildlife refuges. These public lands are situated on coral reef-lined islands that are susceptible to inundation from sea-level rise and flooding during storms. Because of their low-lying nature and limited availability of space, ecosystems, cultural resources, and infrastructure on these islands are particularly vulnerable to flooding. Sea-level rise will further exacerbate the impact of storms on island parks and refuges by increasing wave-driven coastal flooding, with consequences for ecological and human communities alike. However, most assessments of future conditions at coastal national parks and refuges consider only permanent...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2019,
CASC,
Completed,
Data Visualization & Tools,
Data Visualization & Tools,
Loko iʻa (Hawaiian fishponds) are an advanced, extensive form of aquaculture found nowhere else in the world. Loko iʻa practices are the result of over a thousand years of intergenerational knowledge, experimentation, and adaptation, and once produced over 2 million pounds of fish per year throughout the Hawaiian Islands. These fishponds provided a consistent and diverse supply of fish when ocean fishing was not possible or did not yield enough supply. In many ways, loko iʻa are foundational to traditional aquaculture in Hawai‘i and have the potential to provide food security that contributes to greater coastal community resilience and economic autonomy. Today, changes in coastal and hydrological processes, including...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2018,
CASC,
Completed,
Fish,
Fish,
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...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2021,
CASC,
Data Visualization & Tools,
Data Visualization & Tools,
Drought, Fire and Extreme Weather,
Landscape-scale conservation of threatened and endangered species is often challenged by multiple, sometimes conflicting, land uses. In Hawaiʻi, efforts to conserve native forests have come into conflict with objectives to sustain non-native game mammals, such as feral pigs, goats, and deer, for subsistence and sport hunting. Maintaining stable or increasing game populations represents one of the greatest obstacles to the recovery of Hawaii’s 425 threatened and endangered plant species. Many endemic Hawaiian species have declined and become endangered as a result of herbivorous non-native game mammals. Meanwhile, other environmental changes, including the spread of invasive grasses and changing precipitation patterns...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2018,
CASC,
Data Visualization & Tools,
Data Visualization & Tools,
Forests,
Abstract: To design effective marine reserves and support fisheries, more information on fishing patterns and impacts for targeted species is needed, as well as better understanding of their key habitats. However, fishing impacts vary geographically and are difficult to disentangle from other factors that influence targeted fish distributions. We developed a set of fishing effort and habitat layers at high resolution and employed machine learning techniques to create regional‐scale seascape models and predictive maps of biomass and body length of targeted reef fishes for the main Hawaiian Islands. Spatial patterns of fishing effort were shown to be highly variable and seascape models indicated a low threshold beyond...
Categories: Publication;
Types: Citation;
Tags: Coral Reefs,
Data Visualization & Tools,
Pacific Islands CASC,
Science Tools For Managers,
Water, Coasts and Ice
This exerpt comes from a Bishop Museum collection called, “The Chants of James Palea Kapihenui Kuluwaimaka.” The explanation about words found in traditional and modern pule and mele is an example of the rich environmental information that continues to be found in Hawaiian resources that are often overlooked or not considered valuable. James Palea Kapihenui Kuluwaimaka (Kuluwaimaka) was born in Naʻalehu, Kaʻū, in 1845. He had an incredible memory and could recant 1,500-1,700 lines within an ancient chant effortlessly (Honolulu Advertiser, 1937). He was the court chanter for King David Kalākaua and Queen Liliʻuokalani. Kuluwaimaka continued to serve the queen even after deposed whenever she made appearances publically...
Pacific Islands CASC engages in a variety of science co-production activities across the region with the goal of developing usable science with resource managers to help them better integrate adaptation strategies for fish, wildlife, water, land, and people into their decision making and planning. Our flagship program for knowledge co-production is the Manager Climate Corps. MCC was developed at the PI-CASC consortium member institution, the University of Hawaiʻi at Hilo, to support and build connections between natural and cultural resource managers, researchers, and graduate students on Hawaiʻi Island through in-person networking opportunities and to promote the benefits of collaborative, stakeholder-driven research...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2019,
CASC,
Pacific Islands,
Pacific Islands CASC,
Projects by Region,
This project sought to support, facilitate, assess and synthesize the research needs and information gaps of loko i‘a across the Hawaiian Islands to provide information for resource managers to adapt to the impacts of a changing climate. Through the process of developing a Loko I’a Needs Assessment the project achieved all of its proposed original objectives. This report represents the first comprehensive compilation of the research ideas and needs within the community of fishpond managers, landowners, and stewardship organizations to inform adaptation of fishpond practices toward their resilience, adaptation, and sustainability in the face of a changing climate. This project derived findings from notes recorded...
Categories: Publication;
Types: Citation
As the impacts and risks from climate change increase, the climate assessment landscape has expanded in scope and application, resulting in the desire for more information relevant to local decision-making. Some regions lack detailed climate projections and a body of consensus findings about sector-specific impacts, and there is a need for actionable, culturally cognizant, translated climate information suitable for integration into operations and management, budgeting, funding proposals, and domestic and international policy. The Pacific Islands Regional Climate Assessment, or PIRCA, is the subject of this decade-long case study illustrating the need, development, and benefit of creating and sustaining a nuanced,...
Categories: Publication;
Types: Citation
Visualize the extent of sea-level rise in Pu‘uhonua o Hōnaunau National Historical Park as if you are at the controls of your own helicopter! Sea Level Rise AR Visualizer uses augmented reality (AR) technology to create a virtual model of Pu‘uhonua o Hōnaunau National Historical Park and allows you to explore how sea level rise will affect this important site in Hawaiian culture and history. This app was created by scientists at the University of Hawaii Sea Level Center (UHSLC) and funded by the USGS-DOI Pacific Islands Climate Adaptation Science Center (PI-CASC). The app is based on digital elevations and imagery produce by scientists at the United States Geological Survey (USGS) Coastal National Elevation Database...
Freshwater is a critical driver for island ecosystems. In Hawaiʻi, though rainfall intensity has increased, total rainfall has been on the decline for the last two decades and, as a result, streamflow has also been reduced. The changes in dynamic patterns of streamflow could result in impacts to river, estuarine, and coastal habitats. In turn, these changes also affect the nine native Hawaiian aquatic species found in these habitats at different stages of their amphidromous life cycle (in which they migrate from fresh to salt water or vice versa). To examine how changes in streamflow regime have impacted habitat quality for native migratory aquatic species, an ongoing project has been examining statewide long-term...
Categories: Project;
Types: Map Service,
OGC WFS Layer,
OGC WMS Layer,
OGC WMS Service;
Tags: 2020,
CASC,
Completed,
Data Visualization & Tools,
Data Visualization & Tools,
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