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Found 532 dataset(s) matching "abundance estimation".
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During the years 1992-1995 and 1999-2000, the National Oceanic and Atmospheric Administration provided funds for the Alaska Beluga Whale Committee (ABWC) to conduct studies of belugas in Alaska....
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The U.S. National Marine Fisheries Service (NMFS) is required to prepare an annual Stock Assessment Report (SAR) for each marine mammal stock to update abundance, stock structure, maximum net...
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The Earth Surface Mineral Dust Source Investigation (EMIT) instrument measures surface mineralogy, targeting the Earth’s arid dust source regions. EMIT is installed on the International Space...
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As part of the Vessel Surveys for Abundance and Distribution of Marine Mammals and Seabirds (VSAD) project, the Southeast Fisheries Science Center (SEFSC) conducted a shipboard survey of the U.S....
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These data contain supplemental results and model code from the North American Bat Monitoring Program's (NABat) integrated species distribution model (iSDM) for the tricolored bat (Perimyotis...
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This collection documents the date, group ID, group size, group composition, and location for each group of beluga whale encountered during surveys conducted in Upper Cook Inlet Alaska during...
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Ocean Margin EXchange (OMEX) II aims at studying, measuring and modeling the processes and fluxes occurring along and across the European shelf break facing the North Atlantic Ocean. It serves as...
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Estimation and validation data for site by species matrices used in the publication 'Clustering and ensembling approaches to support surrogate-based species management' by H.R. Sofaer et al. 2019...
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Rasters representing median raven density estimates, calculated from approximately 28,000 raven point count surveys conducted between 2009 and 2019. Estimates were the result of a Bayesian...
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In 1991, NMML initiated cetacean studies with vessel coverage throughout inland waters of Southeast Alaska. Between 1991 and 1993, line-transect methodology was used to: 1) obtain population...
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The present study is based on marine physical and biological observations since 1961. The data on zooplankton has been collected since 1963 in the vicinity of the White Sea Biological Station of...
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The data described here result from benthic coral demographic surveys for two life stages (juveniles, adults) across the Mariana archipelago from 2022-05-10 to 2022-06-01. Juvenile colony surveys...
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Amphibians living in agricultural areas encounter many challenges. Two factors affecting individuals in these landscapes are habitat loss and pesticides. This thesis focuses on amphibians using...
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The dataset include raw pollen counts, age model data, and pollen accumulation rates with uncertainty estimates for seven lake sites in the Klamath Mountains, California, USA. The raw pollen...
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The data presented includes chloride concentration and specific conductance in surface water collected from 33 wetlands in the Williston Basin of Montana and North Dakota, 2015-2017 as well as...
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This data set provides vegetation cover and environmental plot data collected from 32 balsam poplar (Populus balsamifera L., Salicaceae) vegetation plots located on the Arctic Slope of Alaska and...
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Annual monitoring data contracted through USBR and DWR to assess the timing, composition, and abundance of salmonid emigration from the upper Sacramento River and its tributaries. Data collected...
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This collection includes physical, chemical, and biological data collected in the Gulf of Mexico in support of the Strategic Petroleum Reserve Brine Disposal Analysis Project, including water...
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Since 2005, the U.S. Geological Survey - Great Lakes Science Center's Lake Erie Biological Station (LEBS) has participated in a collaborative, multiagency effort to assess pelagic prey fish...
