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Browse more than 160,000 publications authored by our scientists over the past 100+ year history of the USGS.  Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.

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We are focused on some of the most significant issues society faces, and our science is making a substantial contribution to the well-being of the Nation and the world. Learn more about the major topics our research covers and the programs focused on those topics.

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Filter Total Items: 175538

Population density and zooplankton biomass influence anadromous juvenile river herring growth in freshwater lakes Population density and zooplankton biomass influence anadromous juvenile river herring growth in freshwater lakes

Anadromous river herring populations, collectively alewife (Alosa pseudoharengus) and blueback herring (Alosa aestivalis), have experienced a multi-century decline in abundance and distribution. These declines have been attributed in part to anthropogenic threats in freshwater ecosystems (e.g., habitat fragmentation, overharvest, water pollution, watershed development). An understanding...
Authors
Matthew T. Devine, Steven Bittner, Allison H. Roy, Benjamin I. Gahagan, Michael P. Armstrong, Adrian Jordaan
By
Cooperative Research Units

Accounting for missing ticks: Use (or lack thereof) of hierarchical models in tick ecology studies Accounting for missing ticks: Use (or lack thereof) of hierarchical models in tick ecology studies

Ixodid (hard) ticks play important ecosystem roles and have significant impacts on animal and human health via tick-borne diseases and physiological stress from parasitism. Tick occurrence, abundance, activity, and key life-history traits are highly influenced by host availability, weather, microclimate, and landscape features. As such, changes in the environment can have profound...
Authors
Alexej P.K. Siren, Juliana Berube, Laurence A. Clarfeld, Cheryl F. Sullivan, Benjamin Simpson, Tammy L. Wilson
By
Cooperative Research Units

Relative importance of macroalgae and phytoplankton to nearshore consumers and growth across climatic conditions in the northern Gulf of Alaska Relative importance of macroalgae and phytoplankton to nearshore consumers and growth across climatic conditions in the northern Gulf of Alaska

Macroalgae and phytoplankton support the base of highly productive nearshore ecosystems in cold-temperate regions. To better understand their relative importance to nearshore food webs, this study considered four regions in the northern Gulf of Alaska where three indicator consumers were collected, filter-feeding mussels (Mytilus trossulus), pelagic-feeding Black Rockfish (Sebastes...
Authors
Katherine Corliss, Vanessa R. von Biela, Heather Coletti, James L. Bodkin, Daniel Esler, Katrin Iken
By
Alaska Science Center

Water-quality trends in the Kansas River, Kansas, since enactment of the Clean Water Act, 1972–2020 Water-quality trends in the Kansas River, Kansas, since enactment of the Clean Water Act, 1972–2020

The Clean Water Act was passed by Congress in 1972 to regulate pollution within the waters of the United States. The U.S. Geological Survey (USGS), in cooperation with the Kansas Department of Health and Environment (KDHE), the Kansas Water Office, the Nature Conservancy, the City of Lawrence, the City of Manhattan, the City of Olathe, the City of Topeka, WaterOne, and Evergy, compiled...
Authors
Thomas J. Williams, Brian J. Klager, Tom C. Stiles
By
Water Resources Mission Area, Central Plains Water Science Center

Accelerating glacier volume loss on Juneau Icefield driven by hypsometry and melt-accelerating feedbacks Accelerating glacier volume loss on Juneau Icefield driven by hypsometry and melt-accelerating feedbacks

Globally, glaciers and icefields contribute significantly to sea level rise. Here we show that ice loss from Juneau Icefield, a plateau icefield in Alaska, accelerated after 2005 AD. Rates of area shrinkage were 5 times faster from 2015–2019 than from 1979–1990. Glacier volume loss remained fairly consistent (0.65–1.01 km3 a−1) from 1770–1979 AD, rising to 3.08–3.72 km3 a−1 from 1979...
Authors
Bethan Davies, Robert McNabb, Jacob Bendle, Jonathan L. Carrivick, Jeremy Ely, Tom Holt, Bradley Markle, Christopher J. McNeil, Lindsey Nicholson, Mauri Pelto
By
Ecosystems Mission Area, Ecosystems Land Change Science Program, Alaska Science Center

Multidisciplinary characterisation of the biodiversity, geomorphology, oceanography and glacial history of Bowditch Seamount in the Sargasso Sea Multidisciplinary characterisation of the biodiversity, geomorphology, oceanography and glacial history of Bowditch Seamount in the Sargasso Sea

The first multidisciplinary characterisation of Bowditch Seamount in the Sargasso Sea was conducted to provide new baseline knowledge of the biodiversity, geomorphology, oceanography and glacial history of this seamount. A dropframe camera transect 1483–1562 m deep on the seamount documented 77 megafaunal taxa including Vulnerable Marine Ecosystem indicator taxa such as sponges, cold...
Authors
Lea-Anne Henry, Igor Yashayaev, Claude Hillaire-Marcel, F. Javier Murillo, Ellen Kenchington, Struan Smith, Jenny Maccali, Jill Bourque, Louis L. Whitcomb, J. Murray Roberts
By
Ecosystems Mission Area, Wetland and Aquatic Research Center
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