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Found 12589 dataset(s) matching "determination".
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Data package associated with Handler et al. (2024) "Nitrate loads from land to stream are balanced by in-stream nitrate uptake across season in a dryland stream". The study describes the nitrate...
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This data release presents results from a laboratory study designed to measure the effect of temperature on rates of oxygen consumption within lake-bottom surface sediments at 0- to 5-cm depth....
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Algal toxins are a growing concern worldwide. Rapid assessment test strips are a newer technology and their accuracy in detecting toxins in different lakes with different phytoplankton and toxins...
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Benthic habitat maps were developed for the CACO study areas following the top-down mapping approach, for which habitat map units are geologically defined based on the presumption that geologic...
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Amur honeysuckle bush (Lonicera maackii) and Morrow's honeysuckle (Lonicera morrowii) are two of the most aggressively invasive species to become established throughout areas along the Blue River...
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Pesticide formulations containing the active ingredient Antimycin-A (ANT-A) have been used by fisheries and aquaculture managers for several decades to remove nuisance fish species. Analytical...
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These data contain concentrations of select trace elements in samples collected on the flood plain from flood deposits from the December 2015 flood and underlying soils. All samples were analyzed...
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Understanding how effectively methane can be extracted from a gas hydrate reservoir requires knowing how compressible, permeable, and strong the overlying seal sediment is. This data release...
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About 62,000 dead or dying common murres (Uria aalge), the trophically dominant fish-eating seabird of the North Pacific, washed ashore between summer 2015 and spring 2016 on beaches from...
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This release consists of data collected from 26 plots in two national parks over a 19-year period. The data consists of plot-level seed counts for three genera, number of seed traps, live tree...
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These data contain concentrations of trace elements in unsieved flood-plain samples collected along tributaries draining the Washington County Barite District.
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This dataset includes exported hydroacoustic data (i.e., coordinates for acoustically detected fish targets, mean target strength of detected fish). The distance (m) from the water guns for each...
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This product contains a time series of position and velocity components for healthy satellites in the Galileo constellation that are accumulated every minute throughout the day. In addition,...
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This product contains a high-rate time series of clock biases for healthy satellites in the GPS constellation that are accumulated every minute throughout the day. In addition, formal 1-sigma...
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These data contain concentrations of major and trace elements measured by inductively coupled plasma mass spectrometry at the laboratory of various size fractions (less than 0.063, less than...
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The attached zip file contains all of the source data, intermediate outputs and R-scripts used to calculate the tipping points reported in the Frank et al manuscript. This dataset is associated...
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Lake sturgeon (Acipenser fulvescens) have experienced large population declines due to overfishing, habitat degradation, and pollution. Due to these factors, lake sturgeon were extirpated in the...
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A secchi disk is used to estimate the water transparency depth of surface-water bodies. Secchi disk depth was measured monthly at Caño Boquerón, Cabo Rojo, and Puerto Mosquito, Isla de Vieques;...