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Federal
Lake Erie Collaborative Science and Monitoring Initiative 2014
Department of the Interior —
In 2014, the USGS Lake Erie Biological Station participated in the Coordinated Science and Monitoring Initiative (CMSI) program, a program founded by the U.S.... -
Federal
Western sandpiper diet composition in south San Francisco Bay, CA
Department of the Interior —
Diet composition can be influenced by age- and sex-related factors including an individual’s morphology, social status, and acquired skills; however, specialization... -
Federal
Pacific Sand Lance Energy Density, Length, and Age, Prince William Sound, Alaska, 2012-2016
Department of the Interior —
This data set documents the age, length, dry mass energy density, and dry mass of age-0 and age-1 Pacific sand lance captured in Prince William Sound Alaska each July... -
Federal
Trophic transfer efficiency in the Lake Superior food web: Assessing the impacts of non-native species
U.S. Environmental Protection Agency —
This data release includes tabular data files. The dataset consists of four input data tables (Appendices A1-A4) for a Lake Superior EcoPath with EcoSim (EwE;... -
Federal
Lipid correction for carbon stable isotope analysis of fish tissue
U.S. Environmental Protection Agency —
Fish chemistry data (d13C, d15N, C:N, lipid content) published in Rapid Commun. Mass Spectrom. 2015, 29, 2069–2077 DOI: 10.1002/rcm.7367. This dataset is associated... -
Federal
Isotope data from Shimada 2018 research expedition
Department of the Interior —
Stable isotope data of fauna, particulate organic matter, and rocks collected during the 2018 research cruise aboard the NOAA Ship Bell M. Shimada that examined... -
Federal
Proximal and distal factors associated with the decline in secondary invertebrate prey production in the Colorado River, Glen Canyon, Arizona.
Department of the Interior —
Using a bioenergetic model, demographic data for the Rainbow Trout (Oncorhynchus mykiss) population were compiled and used to estimate total prey consumption in the... -
Federal
Diets of Deepwater Sculpin collected from fall forage (2003-05 and 2010-14) in Lake Huron
Department of the Interior —
Diet contents of Deepwater Sculpin (Myoxocephalus thompsonii) were identified, enumerated, and measured to monitor the changes in the offshore benthic fish community... -
Federal
Compilation of Data for Parameterization of an Ecopath Model of Lake Superior at the Beginning of the 21st Century (2001-2016)
Department of the Interior —
This data release includes tabular data files. The dataset consists of four input data tables (Appendices A1-A4) for a Lake Superior EcoPath with EcoSim (EwE;... -
Federal
Sediment biogeochemistry and mercury measurements from wetlands of the San Francisco Bay, CA
Department of the Interior —
Habitat biogeochemistry was assessed by measuring 31 variables in sediments, porewater, and surface waters related to mercury content, organic matter, sediment... -
Federal
Total mercury, methylmercury, and isotopic composition in various life stages of boreal chorus frogs (Pseudacris maculata) at two subalpine ponds in the Rocky Mountains, CO, USA, 2015
Department of the Interior —
Mercury is an atmospherically transported contaminant found even in relatively pristine habitats. Once accumulated at the base of the food web, mercury can move... -
Federal
Assessment of Mercury Cycling in the St Louis River, MN using Mercury and Food Web (Carbon and Nitrogen) Stable Isotopes
Department of the Interior —
The St Louis River (SLR) is the second largest tributary to Lake Superior and a designated area of concern (AOC) due to past industrial contamination of organic... -
Federal
San Nicolas Island California black abalone feeding observations, 1982-2019
Department of the Interior —
These data provide observations of food items observed held by anterior foot of black abalone (presumably for feeding) at 9 different sites in the rocky intertidal... -
Federal
Food web fatty acids and stable isotopes in the Upper Mississippi River Basin 2013-2014: Data
Department of the Interior —
This dataset includes information from multiple taxa collected from four main reaches in the Upper Mississippi River Basin, including La Grange reach of Illinois... -
Federal
Food-web structure of canyon and slope associated fauna revealed by stable isotopes
Department of the Interior —
The primary objective of this study was to assess deepsea food web structure and trophic niches in Baltimore and Norfolk canyons, the adjacent slopes, and... -
Federal
Mercury and Methylmercury Stable Isotope Measurements in Giant Petrels
Department of the Interior —
Methylmercury (MeHg) and total mercury (HgT) stable isotope measurements were made by the USGS Mercury Research Lab (MRL) in different organs on the Giant Petrels... -
Federal
Zooplankton, Benthos, Mysis, and fish diet data from northern Lake Huron in 2012
Department of the Interior —
These data consist of a multi-trophic, day vs. night, nearshore to offshore transect approach for data collection for this Cooperative Science and Monitoring... -
Federal
Trace metals in water and biota in and near headwater streams in the Colorado Mineral Belt
Department of the Interior —
This data release includes sampling location data, field-collected water chemistry data, cation and anion concentration data for water and tissues of submerged... -
Federal
Consumption rates and total mercury concentration of food items and consumers collected at six sites on the Colorado River in the Grand Canyon, USA, 2007-2009
Department of the Interior —
Mercury flux and fate (whether mercury was retained in the aquatic ecosystem or exported to the riparian ecosystem via blackfly emergence) was calculated based on... -
Federal
Food Web Data, Colorado River Corridor, Grand Canyon, Arizona, 2006
Department of the Interior —
These data were compiled for a manuscript that examines the riverine food-web structure of the Colorado River below Glen Canyon dam to its confluence with Lake Mead....