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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: 175531

Points of consensus on catch-and-release: Considerations for science, ethics, and fisheries management Points of consensus on catch-and-release: Considerations for science, ethics, and fisheries management

Catch-and-release (C&R), whether via regulations or voluntary actions, is typically employed with the intent of reducing ­fishing mortality while maintaining recreational angling opportunities (Isermann & Paukert, 2010), but there has been significant discourse about the relative importance of individual-level (see Cooke et al., 2025) vs. population-level (see Corsi et al., 2025) effects...
Authors
Matthew P. Corsi, Steven J. Cooke, Andy J. Danylchuk, Meaghan Guckian, Joseph Kozfkay, Michael C. Quist
By
Cooperative Research Units

Status and trends of pelagic and benthic prey fish populations in Lake Michigan, 2024 Status and trends of pelagic and benthic prey fish populations in Lake Michigan, 2024

Fall bottom trawl (fall BT) and lakewide acoustic (AC) surveys are conducted annually to generate indices of pelagic and benthic prey fish densities in Lake Michigan. The fall BT survey has been conducted each fall since 1973 using 12-m trawls at depths ranging from 9 to 110 m at fixed locations distributed across seven transects; this survey estimates densities of seven prey fish...
Authors
Ralph W. Tingley, David Warner, Charles P. Madenjian, Patricia Dieter, Kristy Phillips, Ben Turschak, Dale Hanson, Peter C. Esselman, Steve A. Farha
By
Ecosystems Mission Area, Great Lakes Science Center

Per- and polyfluoroalkyl substances (PFAS) mass flux and mass balance at an aqueous film-forming foam release site in semiarid eastern New Mexico, USA Per- and polyfluoroalkyl substances (PFAS) mass flux and mass balance at an aqueous film-forming foam release site in semiarid eastern New Mexico, USA

Passive flux meters (PFMs) directly measure groundwater chemistry mass flux and Darcy flux, providing insight into contaminant source-zone architecture and transport properties. This study uses PFMs to characterize PFAS flux in groundwater at a semiarid site with a thick (greater than 90-m) unsaturated zone where groundwater has been contaminated with per- and polyfluoroalkyl substances...
Authors
Erin Louise Gray, Samuel Edwin Potteiger, Trevor Dylan Brannon, Stuart Bryan Norton, Jay Cho, Michael D. Annable
By
New Mexico Water Science Center

Monitoring lava lake fluctuations and crater refilling with continuous laser rangefinders Monitoring lava lake fluctuations and crater refilling with continuous laser rangefinders

The U.S. Geological Survey’s Hawaiian Volcano Observatory (HVO) has developed a new method to continuously monitor lava lake elevations. Since 2018, HVO has stationed a laser rangefinder on Kīlauea’s caldera rim. The instrument automatically measures lava lake elevation each second, with centimeter accuracy. A stream of elevation data flows to HVO’s database and public website...
Authors
Edward F. Younger, William Tollett, Matthew R. Patrick
By
Volcano Hazards Program, Volcano Science Center

Patterns of water-extractable soil organic matter in the US Great Plains: Insights from the Haas Soil Archive Patterns of water-extractable soil organic matter in the US Great Plains: Insights from the Haas Soil Archive

Novel approaches that are fast and sensitive are needed to evaluate soil change and integrate soil ecosystem properties. Carbon (C) and nitrogen (N) extracted from soil with water are associated with plant nutrients and microbial activity but information about change over time in the US Great Plains is sparse. We used cool (20°C) and hot (80°C) water extracts from historic (1947) and...
Authors
Jonathan J. Halvorson, Angela Hansen, Catherine E. Stewart, Mark A. Liebig
By
California Water Science Center

Characterize the movement patterns of host fish, Hiodon spp., for Spectaclecase (Cumberlandia monodonta) in the St. Croix National Scenic Riverway (SACN) Characterize the movement patterns of host fish, Hiodon spp., for Spectaclecase (Cumberlandia monodonta) in the St. Croix National Scenic Riverway (SACN)

No abstract available.
Authors
Michelle Bartsch, Bernard E. Sietman, Diane L. Waller, Joel Stiras, Matthew Meulemans, Zeb Secrist
By
Ecosystems Mission Area, Upper Midwest Environmental Sciences Center
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