75 datasets found
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Federal
Great Lakes Research Vessel Operations 1958-2018: Mensuration. (ver. 3.0, April 2019)
Department of the Interior —
All mensuration data represented here expand upon vessel operations (OP table) data, all of which are collected by the United States Geological Survey, Great Lakes... -
Federal
Data from: Predation and immunocompetence: Grasshoppers increase Mormon cricket resistance to a fungal pathogen
Department of Agriculture —
Data DescriptionsfungalExpt.csvBeauveria bassiana GHA is registered for application to grasshoppers and Mormon crickets on rangeland and improved pasture. Conidia... -
Federal
Great Lakes Research Vessel Operations 1958-2018: Reference. (ver. 3.0, April 2019)
Department of the Interior —
The RVCAT database contains data that have been collected on various vessel operations on the Great Lakes and select connecting waterways. This section of Reference... -
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
Great Lakes Research Vessel Operations 1958-2018: Gillnet. (ver. 3.0, April 2019)
Department of the Interior —
All gillnet data represented here expand upon vessel operations (OP table) data, all of which are collected by the United States Geological Survey, Great Lakes... -
Federal
Data entry for PCB concentrations in riparian spiders (Tetragnathidae) consistently reflect concentrations in water and aquatic macroinvertebrates, but not sediment: Analysis of a seven-year field study
U.S. Environmental Protection Agency —
Five years of data over a seven-year investigation at a PCB contaminated-sediment site to investigate if concentrations in spiders were consistently correlated with... -
Federal
Synthetic Organic Compounds in Biota in Lake Mead National Recreation Area near Las Vegas, Nevada
Department of the Interior —
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... -
Federal
Data describing a predatory fish invasion on a riverine food web.
Department of the Interior —
Catfishes are opportunistic feeders that are among the world's worst invasive species. Flathead catfish Pylodictus olivaris -- a large predatory catfish --... -
Federal
Model archive for two-dimensional hydraulic model simulations before and after restoration work, Kootenai River, Idaho, 2011-2022
Department of the Interior —
The two-dimensional (2D) hydraulic flow model International River Interface Cooperative with the Flow and Sediment Transport with Morphological Evolution of Channels... -
Federal
Carbon Isotope Concentrations in Stream Food Webs of the Arctic Network National Parks, Alaska, 2014-2016
Department of the Interior —
This dataset is one table with information on the carbon isotopes in samples collected from organic and mineral soils, streams, algae, invertebrates, and fish in the... -
Federal
Lake Michigan Lake Trout Mercury Carbon Nitrogen Stable Isotope Ratios 1978-2012 v1
U.S. Environmental Protection Agency —
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. -
Federal
Properties that influence pond-breeding salamander density and predation in midwestern United States ephemeral wetlands
U.S. Environmental Protection Agency —
Ephemeral wetlands provide habitat for a variety of taxa and are often critical breeding locations for amphibians. Although the impacts of abiotic properties of... -
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
Assessment of Mercury Cycling in the St Louis River, MN using Mercury and Food Web (Carbon and Nitrogen) Stable Isotopes: U.S. Geological Survey Data Release
U.S. Environmental Protection Agency —
Mercury concentration, mercury stable isotope ratio, and carbon and nitrogen stable isotope ratio data as applicable for sediment, water, invertebrates, and fish... -
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.... -
Federal
Data for Analysis of Endocrine Disrupting Compounds in Lake Mead National Recreation Area near Las Vegas, Nevada
Department of the Interior —
This data release presents the results of analyses of biota and water samples collected on multiple dates from 2007 to 2014 at 3 locations in Lake Mead National... -
Federal
Carbon and nitrogen isotopic values from three omnivorous turtles, vegetation, and potential prey resources in the Santa Fe River, Florida sampled 2019-2020
Department of the Interior —
All samples were collected within a 9km stretch of the Santa Fe River in northern Florida, USA. In 2019 and 2020 we sampled claw tissue from Macrochelys suwanniensis,... -
Federal
Assessment of mercury sources in Alaskan lake food webs (ver 1.1, September 2023)
Department of the Interior —
This data release includes results of raw water, soil, seston, and fish tissue samples collected from 14 lakes within Lake Clark National Park and Katmai National... -
Federal
Mercury Stable Isotope Assessment of Global Food Webs
Department of the Interior —
This dataset describes mercury (Hg) stable isotope values in fish dorsal muscle from different freshwater environments across the globe. Fish were collected at... -
Federal
Lake Huron Angler-Caught Predator Diets, 2017-2018
Department of the Interior —
This tabular data set contains information about the diets of angler-caught Lake Trout (Salvelinus namaycush), Walleye (Sander vitreus), Chinook Salmon (Oncorhynchus...
75 datasets found