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Browse publications authored by our scientists.  Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more. **Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.

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Our Story

Blooming wildflowers in Pinnacles National Park.

The circular highlights how our research efforts fulfill larger USGS strategic goals.

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Our History

Tricolored Heron at Ding Darling National Park

This book is dedicated to those who are or have been associated with the unit program. 

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Our Research

Yellow-billed Loon on a lake in the northern area of Alaska.

This report provides abstracts of most of the ongoing and recently completed research.

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Filter Total Items: 4351

Assessment of lesser prairie-chicken translocation through survival and lek surveys

Translocation is a management tool used to restore or augment wildlife populations, but outcomes of translocations are often poorly documented and can have varying levels of success for improving wildlife population declines. The lesser prairie-chicken (Tympanuchus pallidicinctus) is a prairie grouse endemic to the southern Great Plains. In response to declining abundance and distribution, in 2023
Authors
Elisabeth C. Teige, Liam A. Berigan, Carly S. H. Aulicky, Jonathan H. Reitz, David A. Haukos, Daniel S. Sullins, Kent A. Fricke, Kraig A. Schultz, Liza G. Rossi
By
Cooperative Research Units

Validating morphometrics as a nonlethal tool to determine Arctic Grayling sex

ObjectiveSome graylings Thymallus spp. possess an elongated dorsal fin and other morphological traits that can be sexually dimorphic, as demonstrated in the European Grayling T. thymallus. North American Arctic Grayling T. arcticus are assumed to follow these trends, but decisive evidence is lacking. This study aimed to determine whether sexually dimorphic characteristics, including posterior dors
Authors
WT Samuel, EG Hinkle, LE Yancy, Jeffrey A. Falke
By
Cooperative Research Units

Avoiding a macabre future for Macrhybopsis: A special section on improving management and conservation of chubs

No abstract available.
Authors
Joshuah S. Perkin, Shannon K. Brewer, Anthony A. Echelle, Patrick M. Kočovský
By
Cooperative Research Units

The effects of landscape and yard features on mammal diversity in residential yards within Northwest Arkansas, USA

The human footprint is rapidly expanding, and wildlife habitat is continuously being converted to human residential properties. Surviving wildlife that reside in developing areas are displaced to nearby undeveloped areas. However, some animals can co-exist with humans and acquire the necessary resources (food, water, shelter) within the human environment. This ability to coexist may be particularl
Authors
Emily P. Johansson, Brett Alexander DeGregorio
By
Cooperative Research Units

Positive but un-sustained wildlife community responses to reserve expansion and mammal reintroductions in South Africa

The creation and expansion of protected areas, coupled with wildlife reintroductions, are increasingly used as conservation measures to combat wildlife declines worldwide. Although these types of restoration efforts are expected be beneficial to wildlife populations, variable species management and interactions among species within complex food webs have the potential to lead to unintended species
Authors
Shannon K. Brewer, Lia Keener, Lourens H. Swanepoel, Craig Sholto-Douglas, Axel Hunnicutt, Gonçalo Curveira-Santos
By
Cooperative Research Units

Identifying demographic and environmental drivers of population dynamics and viability in an endangered top predator using an integrated model

Knowledge about the demographic and environmental factors underlying population dynamics is fundamental to designing effective conservation measures to recover depleted wildlife populations. However, sparse monitoring data or persistent knowledge gaps about threats make it difficult to identify the drivers of population dynamics. In situations where small, declining, or depleted populations show c
Authors
Amanda J. Warlick, Gina K Himes Boor, Tamara L McGuire, Kim E. W. Shelden, Eiren K. Jacobson, Charlotte Boyd, Paul Wade, André E. Punt, Sarah J. Converse
By
Cooperative Research Units

Evaluating the spatial and temporal distribution and ecology of Bighead and Silver Carp and native fishes of the lower Red River basin

We investigated the spatial and temporal distribution of Bighead Carp and Silver Carp (hereafter Carp) in the lower Red River basin of Arkansas. Our study objectives were: 1) determine the spatial and temporal extent of Bighead and Silver Carp in the Red River basin of Arkansas; 2) determine habitat associations of large river fish assemblages; and 3) summarize the demographics of Bighead and Silv
Authors
Shannon K. Brewer, John Dattilo, Paul Ramsey, Ben Birdsall
By
Cooperative Research Units

Striped bass exploitation in tailwater habitats of east-central Oklahoma

Striped Bass (Morone saxatilis) is naturally anadromous, but a few land-locked populations have been documented that are self-sustaining, including fish in the Arkansas River, Oklahoma. This rare population is the source of brood stock for the Oklahoma Department of Wildlife Conservation hatcheries and is an important sportfish stock. Striped Bass often congregate in tailwater habitats, where anec
Authors
Alex Vaisvil, Daniel Shoup, Shannon K. Brewer
By
Cooperative Research Units

Limited hybridisation and introgression despite stocking among endemic Interior Highlands black basses (Centrarchidae: Micropterus)

Aim: Smallmouth Bass (Micropterus dolomieu; SMB) are globally popular among anglers and have been widely introduced (i.e. stocked) for population management and sportfishing. Importantly, stocking was prevalent before cryptic diversity within the SMB complex was known, which now includes three newly elevated species: Neosho Bass (M. velox; NB), Little River Bass (M. sp. cf. dolomieu Little River;
Authors
Joe C. Gunn, Andrew T. Taylor, Jeff J. Buckingham, Aaron I. Kern, James M. Long
By
Cooperative Research Units

Wherever I may roam—Human activity alters movements of red deer (Cervus elaphus) and elk (Cervus canadensis) across two continents

Human activity and associated landscape modifications alter the movements of animals with consequences for populations and ecosystems worldwide. Species performing long-distance movements are thought to be particularly sensitive to human impact. Despite the increasing anthropogenic pressure, it remains challenging to understand and predict animals' responses to human activity. Here we address this
Authors
Steffen Mumme, Arthur D. Middleton, Paolo Ciucci, Johannes De Groeve, Andrea Corradini, Federico Ossi, Paul Atwood, Niko Balkenhol, Eric K. Cole, Lucie Debeffe, Sarah R. Dewey, Claude Fischer, Justin Gude, Marco Heurich, Mark A. Hurley, Anders Jarnemo, Matthew Kauffman, Alain Licoppe, Emiel van Loon, Doug McWhirter, Tony Mong, Luca Pedrotti, Nicolas Morellet, Atle Mysterud, Wibke Peters, Kelly Proffitt, Sonia Saïd, Johannes Signer, Peter Sunde, Martin Starý, Francesca Cagnacci
By
Cooperative Research Units

Genetic structure across isolated Virginia populations of the endangered candy darter (Etheostoma osburni)

Candy darter Etheostoma osburni, a federally endangered non-game fish, has been extirpated from most of its historic range in Virginia and now occurs in four isolated populations in the New River drainage. Understanding of population genetic structure will provide insights into the recent natural history of the species and can inform conservation management. Our objectives were to: characterize po
Authors
Kathyrn E. McBaine, Paul L. Angermeier, Eric M. Hallerman
By
Cooperative Research Units

Evaluation of shoreline rotenone application to control Largemouth Bass recruitment in small impoundments

ObjectiveReducing Largemouth Bass Micropterus salmoides recruitment and therefore population density could benefit recreational fisheries in small impoundments by improving individual growth rates and increasing the average size and condition of Largemouth Bass. To achieve these effects, methods of controlling Largemouth Bass recruitment should avoid reducing the productivity of their primary prey
Authors
Tyler Steven Coleman, Robert W. Eckelbecker, Andrew Kenneth Carlson, Dennis R. DeVries, Russell A. Wright, Benjamin A. Staton, Stephen W. Parker, Collin R. Chittam, Richard G. Lovell, Matthew J. Catalano
By
Cooperative Research Units
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