113 datasets found

This project currently supports two main efforts: A bi-weekly sampling regime of the hydrology and plankton along a transect over the Continental Shelf starting at Newport. This...

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...

This data release includes sampling location data, field-collected wetland attribute data, field-collected water chemistry data, laboratory-processed water chemistry data...

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,...

Habitat biogeochemistry was assessed by measuring 26 variables in sediments and porewater related to mercury content, organic matter, sediment characteristics, and microbial...

Diet composition can be influenced by age- and sex-related factors including an individual’s morphology, social status, and acquired skills; however, specialization may only be...

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...

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 chemosynthetic seeps...

Lingcod (Ophiodon elongatus) populations along the West Coast of North America have recovered from overfishing, but the status of genetically distinct lingcod in Puget Sound,...

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,...

Experimental field study conducted on the Elwha River to test foodweb effects of adding coho salmon carcasses to side channels of the lower and middle river. Study was initiated...

Monitoring project designed to evaluate effectiveness of Natural Drainage Systems built by Seattle Public Utilities in the Piper Creek watershed. We collected data on three...

These data have been collected on various vessel operations on the Great Lakes and select connecting waterways. This vessel operations data set is part of and connected to a...

Experimental field study conducted on the Elwha River to test foodweb effects of adding coho salmon carcasses to side channels of the lower and middle river. Study was initiated...

All mysis data represented here expand upon vessel operations (OP table) data, all of which are collected by the United States Geological Survey, Great Lakes Science Center and...

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 from 2012...

This data release includes sampling location data, field-collected water chemistry data, cation and anion concentration data for water and tissues of submerged aquatic...

d15N and d13C isotopic ratios from multiple groundfish and groundfish prey samples collected on groundfish surveys and by fishery observers onboard commercial fishing vessels in...

The purpose of this project is to assess the chemical tracers (e.g., stable isotopes, patterns and ratios of persistent organic pollutants, and fatty acid profiles) to infer the...

Diet composition can be influenced by age- and sex-related factors including an individual’s morphology, social status, and acquired skills; however, specialization may only be...