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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.

Year in Review

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: 3984

Assessment of inland fisheries: A vision for the future

No abstract available.
Authors
Steven J. Cooke, Angela Arthington, Scott A. Bonar, Shannon D. Bower, David B. Bunnell, Rose Entsua-Mensah, Simon Funge-Smith, John Koehn, Nigel Lester, Kai Lorenzen, So Nam, Robert Randall, Paul A. Venturelli, Ian G. Cowx
By
Cooperative Research Units

Deathcore, creativity, and scientific thinking

BackgroundMajor scientific breakthroughs are generally the result of materializing creative ideas, the result of an inductive process that sometimes spontaneously and unexpectedly generates a link between thoughts and/or objects that did not exist before. Creativity is the cornerstone of scientific thinking, but scientists in academia are judged by metrics of quantification that often leave little
Authors
David G. Angeler, Shana M. Sundstrom, Craig R. Allen
By
Cooperative Research Units

Resilience

No abstract available.
Authors
Craig R. Allen, Ahjond S. Garmestani, David G. Angeler
By
Cooperative Research Units

Natural flow regimes of the Ozark-Ouachita Interior Highlands region

Natural flow regimes represent the hydrologic conditions to which native aquatic organisms are best adapted. We completed a regional river classification and quantitative descriptions of each natural flow regime for the Ozark–Ouachita Interior Highlands region of Arkansas, Missouri and Oklahoma. On the basis of daily flow records from 64 reference streams, seven natural flow regimes were identifie
Authors
Douglas R. Leasure, Daniel D. Magoulick, S. D. Longing
By
Cooperative Research Units

Raft and floating radio frequency identification (RFID) antenna systems for detecting and estimating abundance of PIT-tagged fish in rivers

Portable radio frequency identification (RFID) PIT tag antenna systems are increasingly being used in studies examining aquatic animal movement, survival, and habitat use, and their design flexibility permits application in a wide variety of settings. We describe the construction, use, and performance of two portable floating RFID PIT tag antenna systems designed to detect fish that were unavailab
Authors
Eric R. Fetherman, Brian W. Avila, Dana L. Winkelman
By
Cooperative Research Units

Behavioural thermoregulation and bioenergetics of riverine smallmouth bass associated with ambient cold-period thermal refuge

Smallmouth bass in thermally heterogeneous streams may behaviourally thermoregulate during the cold period (i.e., groundwater temperature greater than river water temperature) by inhabiting warm areas in the stream that result from high groundwater influence or springs. Our objectives were to determine movement of smallmouth bass (Micropterus dolomieu) that use thermal refuge and project differenc
Authors
Jacob T. Westhoff, Craig P. Paukert, Sarah Ettinger-Dietzel, H.R. Dodd, Michael Siepker
By
Cooperative Research Units

A hierarchical community occurrence model for North Carolina stream fish

The southeastern USA is home to one of the richest—and most imperiled and threatened—freshwater fish assemblages in North America. For many of these rare and threatened species, conservation efforts are often limited by a lack of data. Drawing on a unique and extensive data set spanning over 20 years, we modeled occurrence probabilities of 126 stream fish species sampled throughout North Carolina,
Authors
S.R. Midway, Tyler Wagner, B.H. Tracy
By
Cooperative Research Units

Foreword: The dynamics of change in Alaska’s boreal forests: Resilience and vulnerability in response to climate warming

Long-term research by the Bonanza Creek (BNZ) Long Term Ecological Research (LTER) program has documented natural patterns of interannual and successional variability of the boreal forest in interior Alaska against which we can detect changes in system behavior. Between 2004 and 2010 the BNZ LTER program focused on understanding the dynamics of change through studying the resilience and vulnerabil

Authors
A. David McGuire, F. Stuart Chapin, Roger W. Ruess
By
Cooperative Research Units

The Impacts of flow alterations to crayfishes in Southeastern Oklahoma, with an emphasis on the mena crayfish (orconectes menae)

Human activities can alter the environment to the point that it is unsuitable to the native species resulting in a loss of biodiversity. Ecologists understand the importance of biodiversity and the conservation of vulnerable species. Species that are narrowly endemic are considered to be particularly vulnerable because they often use specific habitats that are highly susceptible to human disturban
Authors
Shannon K. Brewer, Joseph J. Dyer
By
Cooperative Research Units

Prediction of lake depth across a 17-state region in the United States

Lake depth is an important characteristic for understanding many lake processes, yet it is unknown for the vast majority of lakes globally. Our objective was to develop a model that predicts lake depth using map-derived metrics of lake and terrestrial geomorphic features. Building on previous models that use local topography to predict lake depth, we hypothesized that regional differences in topog
Authors
Samantha K. Oliver, Patricia A. Soranno, C. Emi Fergus, Tyler Wagner, Luke A. Winslow, Caren E. Scott, Katherine E. Webster, John A. Downing, Emily H. Stanley
By
Cooperative Research Units

Downstream passage and impact of turbine shutdowns on survival of silver American Eels at five hydroelectric dams on the Shenandoah River

Hydroelectric dams impact the downstream migrations of silver American Eels Anguilla rostrata via migratory delays and turbine mortality. A radiotelemetry study of American Eels was conducted to determine the impacts of five run-of-the-river hydroelectric dams located over a 195-km stretch of the Shenandoah River, Virginia–West Virginia, during fall 2007–summer 2010. Overall, 96 radio-tagged indiv
Authors
Sheila Eyler, Stuart A. Welsh, David R. Smith, Mary Rockey
By
Cooperative Research Units, Species Management Research Program

Fire effects on wildlife in Central Hardwoods and Appalachian regions

Fire is being prescribed and used increasingly to promote ecosystem restoration (e.g., oak woodlands and savannas) and to manage wildlife habitat in the Central Hardwoods and Appalachian regions, USA. However, questions persist as to how fire affects hardwood forest communities and associated wildlife, and how fire should be used to achieve management goals. We provide an up-to-date review of fire
Authors
Craig A. Harper, W. Mark Ford, Marcus A. Lashley, Christopher Moorman, Michael C. Stambaugh
By
Cooperative Research Units