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Found 532 dataset(s) matching "abundance estimation".
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The CheMin instrument determines the mineralogy and elemental composition of powdered samples through the combined application of X-ray diffraction (XRD, producing mineral identification and...
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Harpers Ferry National Historical Park (NHP) includes grassland habitats that are maintained for the interpretation of historic Civil War battles. In 2022, as part of the National Park Service...
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Physical parameters and coral response data were used to assess coral reef resilience off the Eastern Pacific coast after the 2014-2015 El Niño Southern Oscillation (ENSO) events. Data contained...
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The Southeast Fisheries Science Center (SEFSC) conducted a shipboard survey in the Gulf of America (formerly U.S. waters of the Gulf of Mexico) from approximately the 200m isobath out to the U.S....
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Data were obtained as part of a project assessing risk to the federal and California listed endangered Yuma Ridgway's rail (Rallus obsoletus yumanensis) populations resulting from selenium...
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The National Marine Mammal Laboratory (NMML), a division of NOAA's Alaska Fisheries Science Center (Seattle, WA) and Cascadia Research Collective (Olympia, WA), conducted aerial and small boat...
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Point count survey data collected from 1998 through 2018 to estimate palila abundance on Mauna Kea. Point counts were conducted on 32 transects surrounding Mauna Kea volcano on Hawaii Island....
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As part of the Atlantic Marine Assessment Program for Protected Species (AMAPPS), the NOAA Southeast Fisheries Science Center (SEFSC), in collaboration with the Northeast Fisheries Science Center...
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Dataset: Predictions of Cyanobacteria and Microcystin in Lakes across the Conterminous United States
With increasing concerns about freshwater cyanobacteria blooms, there is a need to identify which waterbodies are at risk for developing these blooms, especially those that produce cyanotoxins. To...
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The data are in the comma delimited file HAVO_2015_2016_BirdSurveyData.csv. Hawaiʻi Volcanoes National Park (HAVO) was surveyed for landbirds and landbird habitat from February through April 2015...
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The data are in a tab delimited file titled HAVO_2015_2016_HabitatData.txt. Hawaiʻi Volcanoes National Park (HAVO) was surveyed for landbirds and landbird habitat from February through April 2015...
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Hawaiʻi Volcanoes National Park (HAVO) was surveyed for landbirds and landbird habitat from February through April 2015 and February through April 2016. This information provides the second datum...
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Using a bioenergetic model, demographic data for the Rainbow Trout (Oncorhynchus mykiss) population were compiled and used to estimate total prey consumption in the Colorado River, Glen Canyon ,...
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We used a stratified-random sampling approach to estimate the total abundance of Wedge-tailed Shearwater (Ardenna pacifica) nest sites across Kīlauea Point National Wildlife Refuge (KPNWR),...
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The benthic cover data in this collection result from the analysis of images produced by benthic photo-quadrat surveys. These surveys were conducted along transects at stratified random sites...
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The benthic cover data in this collection result from the analysis of images produced by benthic photo-quadrat surveys. These surveys were conducted along transects at stratified random sites...
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Aerial surveys associated with Deepwater Horizon Bird Study #2 occurred during the summer of 2010 and the winter of 2011. Data collection efforts were led by R.G. Ford Consulting Company, on...
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The benthic cover data in this collection result from the analysis of images produced by benthic photo-quadrat surveys. These surveys were conducted along transects at stratified random sites...
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Three Pacific Island Network parks were surveyed for landbirds and landbird habitat in order to provide information for monitoring long-term trends in forest bird distribution, density, and...