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Found 463 dataset(s) matching "stable isotopes".
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This data set reports leaf gas flux and leaf properties from samples collected from trees, liana, pasture saplings, and pasture grass located at eight different sampling locations in the states of...
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Located in south-central Texas, the Geronimo Creek and Plum Creek watersheds have long been characterized by elevated nitrate concentrations. From April 2015 through March 2016, an investigation...
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During October 1995 through March 2014, the U.S. Geological Survey in cooperation with the National Park Service, Luray, Virginia Station collected and analyzed samples of selected springs, air...
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This dataset includes total phosphorus (TP), total nitrogen (TN), and total carbon (TC) concentrations as well as δ15N and δ13C composition, and overall C:N:P stoichiometry for adult emergent...
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This dataset presents the results of analysis of aquatic biota tissue samples, collected at 2 sites (Las Vegas Bay and Overton Arm) in 2013 and 2 sites (Las Vegas Bay, Boulder Basin, and Overton...
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This dataset presents the results of passive water sampling conducted at 2 sites in 2013 and 3 sites in 2014 in Lake Mead National Recreational Area. Polar Organic Chemical Integrative Samplers...
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The dataset consists of geochemical and isotopic data from fine-grained sediments and glendonite crystals collected at Carter Creek on the North Slope of Alaska. Total Organic Carbon (TOC) values...
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Urban environments often contain mosquito species that are responsible for transmitting medically important pathogens to humans. Large disturbance events, like hurricanes, can devastate large...
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This data release is part of a study examining the use of near-stream groundwater discharge as a tool for Geochemical Exploration. Handcart Gulch is an unmined alpine watershed in Montezuma Mining...
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This dataset was collected as part of the Chukchi Sea Environmental Studies Program (CSESP), a multi-year, interdisciplinary ecological study focused on areas in outer continental shelf oil and...
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This dataset contains oceanographic and surface meteorological data collected from non-Federal stations throughout the Alaskan region of the United States. The data is predominantly long time...
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These datasets contain the carbon and nitrogen stable isotope data from diamondback terrapin epidermis tissue and a variety of sampled prey items.
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A multidisciplinary team of marine scientists has completed a program entitled Stability and Change in Gulf of Mexico Chemosynthetic Communities. The program was carried out under contract with...
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This dataset contains water temperature, salinity, and other ocean and atmosphere parameters taken by CTD, ADCP, and other instruments from the research vessel Araon, cruise ARA13B, in the Bering...
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A workbook of all the soils data collected near Holton, Kansas, in agricultural fields. Laboratory analysis of soil properties was completed by Ward Labs in Kearny Nebraska. Isotope analysis of...
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The U.S. Geological Survey, in cooperation with Aiken County; City of Aiken; Breezy Hill Water and Sewer Company, Inc.; Montmorenci-Couchton Water and Sewer District, Inc.; and Gilbert-Summit...
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For more than a half million years, dense vein calcite has been precipitating in Devils Hole, located about 115 km northwest of Las Vegas, Nevada. This process also occurs in Devils Hole Cave 2,...
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This dataset represents stable carbon and nitrogen isotopic information from tissue samples collected from diamondback terrapins, potential prey items, and vegetation from 6 salt marsh sites (4...
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A link to Water stable isotopes for streams and precipitation samples in the HJ Andrews Experimental Forest, 2014-2023 https://doi.org/10.6073/pasta/f7bfbab3132ac23002d5df6e837a9d0e
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Co-occurring species with similar resource requirements often partition ecological niches. In the Northwest Atlantic (NWA), endangered roseate terns (Sterna dougallii) nest almost exclusively in...