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Folders: ROOT > ScienceBase Catalog > Pacific Island Ecosystems Research Center > PIERC Public Data Releases ( Show all descendants )

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This dataset provides information on the current status and various other habitat and descriptive attributes of the native coastal vegetation for seven of the main Hawaiian Islands (i.e., does not include Ni`ihau).
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In Hawai‘i and other oceanic islands with few native land mammals, black rats (Rattus rattus) are among the most damaging invasive vertebrate species to native forest bird populations and habitats, due to their arboreal behavior and generalist foraging habitats and habitat use. We evaluated the nesting response of Hawai‘i ‘Elepaio (Chasiempis sandwichensis; Monarchidae), a generalist insectivore, to the removal of black rats using rodenticide in a before-after-control-impact study in high and low, mesic montane habitat recovering from long-term damage from introduced ungulates and weeds. We monitored nesting and rat activity during 2015–2016 before applying diphacinone bait in 2017 to remove rats from two 700 x...
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This layer depicts projected abundance of native and non-native plant species in the main Hawaiian Islands with high levels of uncertainty removed in post-processing. To estimate native and invasive species abundance in baseline climate conditions, a map was generated that considered abundance as percent cover and used high coefficient of variation values as a mask. The primary sources for post-processing the uncertainty masks are the Hawaiian Islands plant species abundance modeled means and standard deviation values (Wong et al., in preparation). These maps cover the entire landscape (including urban and agricultural areas), and therefore they can be applied in a variety of ways. Maps can be utilized to evaluate...
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This collection of nine datasets covers Midway Atoll and Laysan Island in the Northwestern Hawaiian Islands, and was created to help estimate the impacts of the March 11, 2011 tsunami event on avifauna in the Northwestern Hawaiian Islands. For each island, we generated a coastline dataset and a land cover dataset based on satellite imagery taken the year before the tsuanmi event. We also created datasets of the inundation extent during the tsunami event based on GPS track files of the high water mark, taken by staff scientists stationed on the islands at the time of the tsunami. Additionally, nest distribution data were collected for black-footed albatrosses (Phoebastria nigripes) at Midway Atoll.
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This dataset comprises high-resolution geotif files representing various aspects of the ʻākohekohe (Palmeria dolei) potential habitat on the Island of Hawaiʻi. It includes a habitat suitability map showing average suitability scores, a map of homogenous forested areas (HFAs) depicting clusters with consistent suitability scores, and a map of pixel-wise standard deviation across habitat suitability models. These maps were generated through a comprehensive analysis using lidar-based metrics, offering detailed insights into the habitat preferences of ʻākohekohe.
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Climate change in Hawaiʻi is expected to result in increasing temperatures and varying precipitation through the twenty-first century. Already, high elevation areas have experienced rapidly increasing temperatures and there has been an increase in the frequency of drought across the Islands. These climatic changes could have significant impacts on Hawaiʻi’s plants and animals. Changes in temperature and moisture may make current habitat no longer suitable for some species, and could allow invasive species to spread into new areas. Hawaiʻi Volcanoes National Park is home to 23 species of endangered vascular plants and 15 species of endangered trees. Understanding how climate change may impact the park’s plants...
    map background search result map search result map Assessing the Potential Effects of Climate Change on Vegetation in Hawaiʻi Volcanoes National Park 2015 Hawaiian Islands Plant Species Abundance Models Hawaiian Islands Coastal Vegetation Survey 2013-2015 Northwestern Hawaiian Islands: Impacts to Avifauna from the Tohoku Tsunami 2011 Hawaii Volcanoes National Park Elepaio nest monitoring and black rat mark recapture data 2015-2017 Island of Hawaiʻi lidar-based habitat suitability for ʻākohekohe (Palmeria dolei) conservation introductions, 2023 Assessing the Potential Effects of Climate Change on Vegetation in Hawaiʻi Volcanoes National Park Island of Hawaiʻi lidar-based habitat suitability for ʻākohekohe (Palmeria dolei) conservation introductions, 2023 Hawaiian Islands Coastal Vegetation Survey 2013-2015 2015 Hawaiian Islands Plant Species Abundance Models Northwestern Hawaiian Islands: Impacts to Avifauna from the Tohoku Tsunami 2011