-
Upper Mississippi River water and bigheaded carp otolith chemistry data
Data set includes water Sr:Ca, Ba:Ca, and δ18O for the Upper Mississippi River and tributaries and otolith Sr:Ca, Ba:Ca, and δ18O data from bigheaded carp collected in pools... -
Predator Gut Isotopes (Characterizing ecosystem role of sharks)
This work uses white muscle tissues collected from sixgill and sevengill sharks to characterize the diet of each species. Tissues from prey species have also been prepared in... -
Synthetic Organic Compounds in Biota in Lake Mead National Recreation Area...
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... -
Western USA Assessment of High Value Materials in Geothermal Fluids and...
This report documents the results of investigations dealing with the concentrations and availabilities of strategic, critical and valuable materials (SCVM) in produced waters... -
Trophic structure of mesopelagic fishes in the Gulf of Mexico revealed by...
Mesopelagic fishes represent an important component of the marine food web due to their global distributions, high abundances and ability to transport organic material... -
Chincoteague Bay surface carbon and nitrogen data from the spring sampling...
Following Hurricane Sandy, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center conducted a seasonal collection of estuarine, marsh, and... -
Otolith microchemistry of adult bigheaded carp for determining early-life...
Data set includes water Sr:Ca, Ba:Ca, and δ18O for the Mississippi River and tributaries, and otolith Sr:Ca, Ba:Ca, and δ18O data from bigheaded carp (Silver Carp and BIghead... -
Synthetic Organic Compounds in Water in Lake Mead National Recreation Area...
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... -
Stable Isotopes in Biota in Lake Mead National Recreation Area near Las Vegas, Nevada
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,... -
Comparison of methane concentration and stable carbon isotope data for...
A discrete sample introduction module (DSIM) was developed and interfaced to a cavity ring-down spectrometer to enable measurements of methane and CO2 concentrations and 13C... -
Morphometric, Age, Visible Abnormalities, Skin and Liver Neoplasms, and...
The dataset provides length, weight, age, observations of visible external abnormalities, liver and skin histopathology and stable isotopes of white sucker captured within the... -
Trophic structure of mesopelagic fishes in the Gulf of Mexico revealed by...
Mesopelagic fishes represent an important component of the marine food web due to their global distributions, high abundances and ability to transport organic material... -
Properties that influence pond-breeding salamander density and predation in...
Ephemeral wetlands provide habitat for a variety of taxa and are often critical breeding locations for amphibians. Although the impacts of abiotic properties of wetlands on... -
Histology of tissues of fish and shellfish species from Puget Sound...
As part of a long-term contaminant-monitoring program of fish in Puget Sound and Georgia Basin, Washington Department of Fish and Wildlife (WDFW) and NWFSC have collaborated in... -
Vegetation and Temperature Data, Smith River Estuary, Alaska, 2011-2013
This data release contains measurements of vegetation samples and temperature collected from experimental plots of Carex subspathacea along the Smith River Estuary, Alaska... -
Hawaii Volcanoes National Park stable isotope values from Hawaii forest birds 2012
Blood and feathers were collected from Hawaii forest birds (Apapane and Hawaii Amakihi) in high elevation forest to assess evidence for altitudinal movement. Feathers, red blood... -
POPs, Fatty acids, lipid and Stable Isotopes data (the behavioral ecology of...
This project will use a unique set of individual-based data to quantify and model the behavioral ecology of six Department of Defense priority cetacean species in the Bahamas.... -
Chincoteague Bay surface carbon and nitrogen data from the spring sampling...
Following Hurricane Sandy, scientists from the U.S. Geological Survey, St. Petersburg Coastal and Marine Science Center conducted a seasonal collection of estuarine, marsh, and... -
Chironomid nitrogen stable isotope data for NARS 2007, 2008, and 2009 surveys
Nitrogen stable isotope data and associated meta data from the 2007 National Lakes Assessment, and the 2008-2009 National Rivers and Streams Assessment. The data also include... -
Stable Isotopes in Biota in Lake Mead National Recreation Area near Las Vegas, Nevada
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,...