Search Data.gov
Found 176 dataset(s) matching "stratified random sampling".
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This reference archives metadata about the collection of geospatial data which may be stored in a variety of file formats (e.g. shapefile, geodatabase) for the Oregon Coast NWRC: Surface Nesting...
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This reference archives metadata about the collection of geospatial data which may be stored in a variety of file formats (e.g. shapefile, geodatabase) for the Oregon Coast NWRC: Surface Nesting...
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This reference archives metadata about the collection of geospatial data which may be stored in a variety of file formats (e.g. shapefile, geodatabase) for the Oregon Coast NWRC: Surface Nesting...
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These data are a component of a floodplain forest canopy gap dynamics study initiated in 2019 and funded through the US Army Corps of Engineers Upper Mississippi River Restoration, Science...
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The data in this file come from a survey of adult residents in USVI. The survey was conducted for a random stratified sample of households on the islands of St. Thomas, St. John, and St. Croix...
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These data were compiled to measure the stand structure, including age class distribution, of Joshua tree (Yucca brevifolia and Y. jaegeriana) as measured on 61 1000 m2 plots.The objective of our...
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This data collection focuses on 354 male narcotic addicts who were selected using a stratified random sample from a population of 6,149 known narcotic abusers arrested or identified by the ...
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This longitudinal mixed-methods study examined to what extent female intimate partner violence (IPV) victim participation in prosecution was associated with their future safety. The study followed...
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The purpose of the study was to investigate how and why injuries occur to police and citizens during use of force events. The research team conducted a national survey (Part 1) of a stratified...
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The goal of this study was to identify factors that influence whether city misdemeanor domestic violence cases in which batterers are arrested by police result in dismissals, acquittals,...
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Established in 1995, the Northwestern Juvenile Project assessed alcohol, drug, or mental (ADM) service needs of juvenile detainees. The study took place between the years of 1995 and 1998,...
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Roving creel surveys using stratified random sampling to determine angler catch rates, angler satisfaction, estimated trout harvested, total pounds harvested, and number of trout caught This...
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National Vegetation Classification (NVC) map for Fish Springs National Wildlife Refuge. NVC provides a standardized hierarchical approach to classifying vegetation and this standard is being...
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This dataset is a point shapefile showing the distribution of species richness, Shannon's Diversity (H), and Shannon's Evenness (J) along the Florida Keys (Key Biscayne to Key West based on data...
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Coral reef fish and benthos were surveyed at 150 shallow-water coral reef sites across the north coast of Timor-Leste and around Atauro Island in June 2013 during a 21-day survey mission. This...
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Photographs of the seafloor were collected during benthic photo-quadrat surveys conducted by the NOAA Coral Reef Ecosystem Program (CREP) in hard bottom shallow water (< 15 m) habitats in...
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The benthic cover data described here result from benthic photo-quadrat surveys conducted by the NOAA Coral Reef Ecosystem Program (CREP) in hard bottom shallow water (< 15 m) habitats in...
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This dataset describes the imagery collected in 2022 of Aua Reef, American Samoa by the Ecosystem Sciences Division (ESD) of NOAA, funded by the Coral Reef Conservation Program (CRCP), to study...
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Data provided in this collection were gathered within the FGBNMS as part of NOAA National Centers for Coastal Ocean Science (NCCOS)-led missions in collaboration with partners at NOAA National...
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Benthic survey data provided in this collection of datasets were gathered around Puerto Rico as part of NOAA National Centers for Coastal Ocean Science (NCCOS)-led missions in collaboration with...
