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Found 105 dataset(s) matching "nitrogen isotope ratio".
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Atmospheric mercury (Hg) deposition, which has been declining in North America since 1985, is the preeminent delivery pathway to the Great Lakes, making them sentinels for tracking shifts in...
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Time-series of mercury, carbon, and nitrogen stable isotope ratios of Lake Michigan lake trout from the EPA Great Lakes Fish Monitoring and Surveillance Program.
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This study was initiated to provide baseline data and to determine the utility of stable isotope analysis to evaluate the foraging strategies of an opportunistic reptile predator. Stable isotope...
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An international project developed, quality-tested, and measured isotope−delta values of 10 new food matrix reference materials (RMs) for hydrogen, carbon, nitrogen, oxygen, and sulfur stable...
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The effects of cerium oxide nanoparticles (CeO2-NPs) on 15N/14N ratio (δ15N) in wheat and barley were investigated. Seedlings were exposed to 0 and 500 mg CeO2-NPs/L (Ce-0 and Ce-500,...
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Mercury concentration, mercury stable isotope ratio, and carbon and nitrogen stable isotope ratio data as applicable for sediment, water, invertebrates, and fish collected from the St. Louis River...
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Stable Isotope Ratios of Nitrate from the National Aquatic Resource Survey 2023 and 2024. We analyzed 163 samples with nitrate concentrations above 2 mg-N/L for oxygen and nitrogen isotopes of...
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This dataset includes field measurements and laboratory analyses of surface water, bottom water (sediment-water interface), surficial (0-2 cm) sediment, pore water (0-2 cm), and biota collected in...
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Bulk organic geochemistry data were determined on one to five cm subsamples of sediment push cores collected from the Escanaba Trough during May to June 2022. These data include percent total...
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This data set reports the measurement of stable carbon, nitrogen, and oxygen isotope ratios in organic material (plant, litter and soil samples) in forest canopy profiles and pasture (grasses and...
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This dataset contains water and sediment chemistry, and elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise EN510 in the northern...
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This dataset contains CTD, water quality and particle and zooplankton sample elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise...
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This dataset contains bulk tissue carbon (delta-13C) and nitrogen (delta-15N) stable isotope values from sediment samples, marsh primary producers, marsh invertebrates, and marsh vertebrates...
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This dataset contains water and sediment chemistry, and elemental (total C and N, C/N ratio) and isotopic (delta 13C, delta 15N) data collected during R/V Endeavor cruise EN509 in the northern...
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Total carbon and nitrogen concentrations, and delta carbon-13 and delta nitrogen-15 stable isotope ratios, were determined in sediment samples to potentially identify the sources of organic matter...
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The data set contains the stable carbon and sulfur isotope ratios for fish tissue used in the manuscript. The data is included in the file was used in Figures 3 and 6 of the manuscript and...
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Stable isotope analyses are reported (the ratios deuterium/protium, carbon-13/carbon-12, oxygen-18/oxygen-16, sulfur-34/sulfur-32, nitrogen-15/nitrogen-14) for ores and related rocks, and mineral...
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This dataset contains bulk tissue carbon (delta-13C), nitrogen (delta-15N), and sulfur (delta-34S) stable isotope values from sediment samples, marsh primary producers, marsh invertebrates, and...
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Organic carbon groupings representing different labilities were extracted from sediments collected in the Escanaba Trough from May and June 2022. Organic carbon groups included the total lipid...
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This dataset presents results from surface-tethered drifting sediment traps, zooplankton net tows, dissolved inorganic nutrient concentration analyses made on water column samples, and flow...
