Search Data.gov
Found 217 dataset(s) matching "stratified random".
-
This sampling frame is a set of grid-based, finite-area frames spanning the offshore areas surrounding Mexico, and is intended for use with the North American Bat Monitoring Program (NABat). A...
-
This sampling frame is a set of grid-based, finite-area frames spanning the offshore areas surrounding Hawaii, and is intended for use with the North American Bat Monitoring Program (NABat). A...
-
This sampling frame is a set of grid-based, finite-area frames spanning the offshore areas surrounding the Caribbean, and is intended for use with the North American Bat Monitoring Program...
-
This sampling frame is a set of grid-based, finite-area frames spanning the offshore areas surrounding the continental United States (CONUS), and is intended for use with the North American Bat...
-
The data described here result from coral bleaching surveys across the Hawaiian Archipelago from August 20 to December 7, 2019. The data provide information on live coral cover and the percentage...
-
The Enhanced Delta Smelt Monitoring Program (EDSM) was initiated by the U.S. Fish and Wildlife Service in 2016. EDSM focuses on providing real-time data to help managers respond to population...
-
This data release includes data and metadata on 155 vegetation plots that were random stratified across different substrate ages and geological features at Keamuku Maneuver Area (KMA) on Hawaii...
-
This Microsoft Excel file contains sample data from recent years for a long term program to monitor specific upland vegetation species in Bighorn Canyon National Recreation Area. Please read...
-
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The TSM study areas were the USDA-defined Great Valley (GV) and Mojave Desert (MD) ecoregions, truncated to California state boundaries. A grid of...
-
The benthic cover data described here were generated from the quantitative analysis of photoquadrat benthic images using CoralNet image analysis software, whereby random points are projected on...
-
The benthic cover data described here were generated from the quantitative analysis of photoquadrat benthic images using image analysis software, whereby random points are projected on each image...
-
This study was designed to collect college student victimization data to satisfy four primary objectives: (1) to determine the prevalence and nature of campus crime, (2) to help the campus...
-
Monthly, stratified-random sampling is conducted year-round in Tampa Bay, Charlotte Harbor, Northern and Southern Indian River Lagoon, Cedar Key, Apalachicola Bay, and Jacksonville using a 183-m...
-
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),...
-
The socioeconomic survey data in this collection come from surveys of adult residents in the U.S. Virgin Islands (USVI) conducted as part of NOAA's ongoing National Coral Reef Monitoring Program...
-
This data package includes the benthic, urchin, and fish observation data collected for coral reef carbonate budget assessments by the Ecosystem Sciences Division (ESD) of NOAA's Pacific Island...
-
This data package includes the benthic, urchin, and fish observation data collected for coral reef carbonate budget assessments by the Ecosystem Sciences Division (ESD) of NOAA's Pacific Island...
-
This dataset contains coral colony level damage assessment data collected during both stratified random transect surveys and opportunistically selected roving diver surveys from February 28 and...
-
Transects were run alongside NCRMP’s LPI transects at grid-based stratified random sites on the EFGB and WFGB coral caps. The transect sites were chosen by NCRMP using their Spatial Framework...
-
This data package includes the benthic, urchin, and fish observation data collected for coral reef carbonate budget assessments by the Ecosystem Sciences Division (ESD) of NOAA's Pacific Island...
