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Found 532 dataset(s) matching "abundance estimation".
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Benthic survey data provided in this collection of datasets are from three (3) distinct regions along the Florida reef tract; 1) Dry Tortugas, 2) Florida Keys from Key West north to Miami, and 3)...
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Fish & Invertebrate surveys: At each permanent monitoring site (26 total), fishes and urchins are recorded on 4 fixed 25m transects. Each transect is surveyed by a team of two divers who...
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This data type contains data from field sampling of marine organisms in intertidal or subtidal habitats. The data were collected to provide information about species abundance and distribution....
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Burnsville Cove in Bath and Highland Counties (Virginia, USA) is a karst region in the Valley and Ridge Province of the Appalachian Mountains. The region contains many caves in Silurian to...
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The United States Fish and Wildlife Service’s (USFWS) Experimental Larval Survey was designed and implemented by the Enhanced Delta Smelt Monitoring Program to assess alternative sampling methods...
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Uplands are land areas lying above the elevation where flooding generally occurs—areas found beyond riparian zones. Uplands represent the vast majority of land area in the Northern Colorado...
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We investigated methods to estimate the number of nests of waterbirds at a large, mixed-species colony at Chase Lake National Wildlife Refuge in south-central North Dakota in 2012 and 2013. The...
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This collection contains data on species composition, density, size, abundance and derived metrics (e.g., species richness, diversity) gathered from fish surveys at Flower Garden Banks National...
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The North Pacific right whale (NPRW) was heavily hunted between the 17th and the 20th centuries. Protection was supposedly afforded by international treaties in the 1930s and 1940s, but the...
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This data package contains compiled data (e.g., vegetation percent cover, vegetation above ground biomass, soil organic matter content, nekton density) and associated site and sampling information...
