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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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Apparent annual survival of adult Golden-winged Warblers (Vermivora chrysoptera) may not differ by sex or region Apparent annual survival of adult Golden-winged Warblers (Vermivora chrysoptera) may not differ by sex or region

Understanding range-wide demographic, spatial, and temporal variation in annual survival is essential for managing species of conservation concern. Multi-population models are useful tools for integrating diverse datasets, reducing biases, and deriving survival estimates across differing spatial scales. We conducted a range-wide, multi-population apparent annual survival analysis for a...
Authors
Emily N. Filiberti, Amber M. Roth, Wayne E. Thogmartin, Ethan J. Royal, Kyle R. Aldinger, Ruth E. Bennett, David A. Buehler, Lesley P. Bulluck, Ronald A. Canterbury, Richard Chandler, Sarah J. Clements, Cameron J. Fiss, Keith A. Hobson, John Anthony Jones, David A. King, Gunnar R. Kramer, Jeffery L. Larkin, Darin J. McNeil, Jeffrey D. Ritterson, Anna Buckardt Thomas, Rachel Vallender, Steven L. Van Wilgenburg, Petra B. Wood
By
Ecosystems Mission Area, Upper Midwest Environmental Sciences Center

Movements and survival of hatchery reared juvenile cisco (Coregonus artedi) in Saginaw Bay, Lake Huron Movements and survival of hatchery reared juvenile cisco (Coregonus artedi) in Saginaw Bay, Lake Huron

Background Cisco (Coregonus artedi) were historically abundant throughout Lake Huron, including Saginaw Bay, but only a few remnant populations remain in northern Lake Huron today. Reestablishment of cisco is an important component of management plans to restore sustainable fisheries in Lake Huron. Cisco restoration efforts have focused on the release of hatchery-reared fish, but the...
Authors
Todd Hayden, Christopher M. Holbrook, Thomas R. Binder, Andrew Edgar Honsey, Roger Gordon, Kevin McDonnell, David G. Fielder, Aaron T. Fisk
By
Ecosystems Mission Area, Great Lakes Science Center

Non-native bird populations respond differently to their environment and exhibit shifts in ecological niche limits across continents Non-native bird populations respond differently to their environment and exhibit shifts in ecological niche limits across continents

Aim The degree to which species' niches remain stable over space and time–the niche conservatism hypothesis–is critical for predicting species' responses to environmental change. Tests of this hypothesis typically focus on changes in niche centroids and boundaries. An outstanding question is whether species' environmental associations differ within the interior of their niche space–that...
Authors
Kristin P. Davis, Helen Sofaer, Henrik G. Smith, Henning Heldbjerg, Anna Gamero, Ainārs Auniņš, Lluís Brotons, Tomasz Chodkiewicz, Daniel Palm Eskildsen, Benoît Fontaine, John Atle Kålås, Primož Kmecl, Petras Kurlavičius, Aleksi Lehikoinen, Åke Lindström, Ingar Jostein Øien, Jiří Reif, Nicolas Strebel, Tibor Szép, Chris A.M. van Turnhout, Thomas Vikstrøm, Liba Pejchar
By
Ecosystems Mission Area, Pacific Island Ecosystems Research Center

Application of fin tissue for nonlethal stable isotope analysis of small-bodied fishes Application of fin tissue for nonlethal stable isotope analysis of small-bodied fishes

Stable isotopes are commonly used to characterize food web structure and resource use by aquatic organisms. White muscle is generally preferred for stable isotope analysis of fishes. However, obtaining white muscle tissue typically requires lethal take or invasive sampling techniques, which are undesirable for small-bodied species or those of conservation concern. We assessed the use of...
Authors
Wade M. Wilson, Jane S. Rogosch, Scott F. Collins, Bart W. Durham, Kevin B. Mayes, Sarah M. Robertson
By
Cooperative Research Units

Recovery of Delaware Bay horseshoe crabs following harvest reductions Recovery of Delaware Bay horseshoe crabs following harvest reductions

Objective Horseshoe crabs Limulus polyphemus play a vital role in the Delaware Bay ecosystem. The migratory stopover of several shorebird species occurs during the horseshoe crab spawning season, and the eggs of horseshoe crabs provide an essential food source to fuel their northward migration to breeding areas. High commercial fishery use of horseshoe crabs as bait during the 1990s...
Authors
John A. Sweka, Kristen A. Anstead, David R. Smith, Linda Barry, Jordan Zimmerman, Steve Doctor, Craig Weedon, James Gartland, Yan Jiao, Francesco Ferretti, Eric M. Hallerman
By
Eastern Ecological Science Center

Riverscape genetics of nonnative Brook Trout to inform native cutthroat trout conservation Riverscape genetics of nonnative Brook Trout to inform native cutthroat trout conservation

Objective Understanding how riverscape features influence gene flow is critical for managing population connectivity in freshwater species. We examined how landscape and stream characteristics shape the spatial genetic structure of nonnative Brook Trout Salvelinus fontinalis in a headwater stream network proposed for reintroduction of federally threatened Greenback Cutthroat Trout...
Authors
Taylor Stack, Audrey C. Harris, Matthew P. Fairchild, Sara J. Oyler-McCance, Jennifer A. Fike, Dana L. Winkelman, Yoichiro Kanno
By
Ecosystems Mission Area, Fort Collins Science Center
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