Found 40 datasets matching "nitrogen isotopes analysis".
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This dataset presents the results of analysis of aquatic biota tissue samples, collected over multiple sampling events from in from 2007 to 2014 at three sites (Las Vegas Bay, Overton Arm, and...
Search relevance: 89.59 | Views last month: 0 -
This dataset contains the nutrient analysis (carbon, nitrogen, stable isotopes) for estuary water, leaf detritus, container habitat water, larvae within containers, and adult mosquitos, as well as...
Search relevance: 65.71 | Views last month: 0 -
Montana Fish, Wildlife, and Parks (MT FWP), in collaboration with the United States Geological Survey (USGS) Wyoming-Montana Water Science Center (WY-MT WSC), Montana Department of Environmental...
Search relevance: 63.81 | Views last month: 0 -
These metadata sets present the comprehensive geochemical composition of solid and water samples from the site of a 11.4ML (million liters) wastewater spill discovered in January, 2015. Analyses...
Search relevance: 59.64 | Views last month: 0 -
The data in this data release includes results from the analysis of water and fish from 76 sites in the Everglades National Park (ENP). Water and particulate matter samples were collected from...
Search relevance: 59.02 | Views last month: 0 -
This dataset contains physical, chemical, and biological data collected during research cruises for the Chukchi Sea Offshore Monitoring in Drilling Area (Chemical and Benthos) (COMIDA CAB)...
Search relevance: 52.51 | Views last month: 1 -
Coastal eutrophication is a prevalent threat to the healthy functioning of ecosystems globally. While degraded water quality can be detected by monitoring oxygen, nutrient concentrations, and...
Search relevance: 48.95 | Views last month: 0 -
Particulate samples were collected from a fish hatchery in Puyallup, Washington, September 18 – 20, 2023 during late summer, low-flow conditions in the intake creek. Settled solids were collected...
Search relevance: 46.97 | Views last month: 2 -
This dataset contains physical, chemical, and biological data collected during research cruises for the Hanna Shoal Ecosystem Study. The study occurred at 138 stations in the Hanna Shoal area of...
Search relevance: 46.58 | Views last month: 0 -
This dataset includes the field measurements and laboratory analyses of surface water, seston, fish tissue, and sediment samples collected from Bighorn Lake, within Bighorn Canyon National...
Search relevance: 44.38 | Views last month: 0 -
This dataset contains isotope results of stable isotope (δ13C and δ15N) and radicoarbon (F14C) analyses of muscle tissue from fish collected in the nearshore Beaufort Sea, Alaska in summers 2017-2019.
Search relevance: 43.63 | Views last month: 0 -
This data set documents the carbon and nitrogen stable isotope ratios of age-0 Arctic cisco (Coregonus autumnalis) captured in Prudhoe Bay, Alaska in August 2009.
Search relevance: 42.01 | Views last month: 0 -
This dataset includes carbon and nitrogen isotope concentrations measured in polar bear hair and marine mammal prey muscle and blubber samples collected 1978-2019 in the Beaufort and Chukchi Seas....
Search relevance: 40.69 | Views last month: 0 -
This dataset contains length, weight, energy density, and isotope values of fish collected in northwest Alaskan rivers during summer and fall 2015-2019.
Search relevance: 40.07 | Views last month: 0 -
This dataset provides information on fish species composition and their diet information for 16 lakes and 16 ponds at two locations on the central Arctic Coastal Plain, Alaska. In one table, we...
Search relevance: 39.79 | Views last month: 0 -
This data release provides information on the chemistry and character of bed sediments accumulated in the 1.6-mile long impoundment behind Enloe Dam on the Similkameen River in Okanogan County,...
Search relevance: 39.39 | Views last month: 0 -
This dataset provides nine tables of data from an experimental study in which juvenile Coho Salmon (Oncorhynchus kisutch) were reared in floating net pens (limnocorrals) and exposed to Elodea spp....
Search relevance: 39.33 | Views last month: 1 -
These data are in a single table that provides date and location information of Tundra Swans (Cygnus columbianus) that were sampled in Alaska for feathers that were subsequently used in a stable...
Search relevance: 37.85 | Views last month: 0 -
The USGS Precipitation Chemistry Quality Assurance Project (PCQA) conducts research using the infrastructure of the National Atmospheric Deposition Program (NADP) National Trends Network (NTN)....
Search relevance: 35.00 | Views last month: 0 -
There are over 10,000 hydrothermal features in Yellowstone National Park (YNP), where waters have pH values ranging from about 1 to 10 and surface temperatures up to 95 °C. Active hydrothermal...
Search relevance: 34.93 | Views last month: 0
