Publications
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.
Filter Total Items: 5050
Estimating nitrogen removal services of eastern oyster (Crassostrea virginica) in Mobile Bay, Alabama Estimating nitrogen removal services of eastern oyster (Crassostrea virginica) in Mobile Bay, Alabama
Eastern oysters have been acknowledged for their important contribution to human well-being by providing goods and services including nitrogen removal from water bodies. In this study, we integrated daily environmental data (2008–2016) and filtration rate model parameter uncertainty to estimate nitrogen removal from denitrification and nitrogen burial services provided by the current...
Authors
Quan Lai, Elise R. Irwin, Yaoqi Zhang
An open-sourced, web-based application to improve our ability to understand hunter and angler purchasing behavior from license data An open-sourced, web-based application to improve our ability to understand hunter and angler purchasing behavior from license data
State fish and wildlife agencies rely on hunters and anglers (i.e., sportspersons) to fund management actions through revenue generated from license sales and excise taxes on hunting and fishing equipment. There is a need to develop new techniques that bridge the information gap on participation and provide agencies with an understanding of sportspersons at a resolution that can more...
Authors
Nathaniel B. Price, Christopher J. Chizinski, Joseph J. Fontaine, Kevin L. Pope, Micaela Rahe, Jeff Rawlinson
Coordinated river infrastructure decisions improve net social-ecological benefits Coordinated river infrastructure decisions improve net social-ecological benefits
We explore the social, ecological, economic, and technical dimensions of sustainable river infrastructure development and the potential benefits of coordinating decisions such as dam removal and stream crossing improvement. Dam removal is common practice for restoring river habitat connectivity and ecosystem health. However, stream crossings such as culverts are often 15 times more...
Authors
Samuel G. Roy, Adam Daignault, Joseph D. Zydlewski, Allison Truhlar, Sean Smith, Shaleen Jain, David Hart
Assessing the distribution and habitat needs of the Least Darter and sympatric species of the Ozark and Arbuckle Mountain ecoregions Assessing the distribution and habitat needs of the Least Darter and sympatric species of the Ozark and Arbuckle Mountain ecoregions
Limited information is known about factors driving the distribution of Least Darter in Oklahaoma. The Least Darter occurs in the Ozark Highland and Arbuckle Uplift ecoregions of Oklahoma which represent the southern extent of its range. Least Darter was historically recorded in Oklahoma from groundwater-fed streams. Our study objectives were to determine the distribution of Least Darter...
Authors
Shannon K. Brewer, D. Sewdberg, R. Mollenhauer, J. Dattilo
Assessing the efficacy of protected and multiple-use lands for bird conservation in the U.S. Assessing the efficacy of protected and multiple-use lands for bird conservation in the U.S.
Setting land aside has long been a primary approach for protecting biodiversity; however, the efficacy of this approach has been questioned. We examined whether protecting lands positively influences bird species in the U.S., and thus overall biodiversity. We used the North American Breeding Bird Survey and Protected Areas Database of the U.S. to assess effects of protected and multiple...
Authors
L. Lynnette Dornak, Jocelyn L. Aycrigg, John R. Sauer, Courtney J. Conway
Using video survey to examine the effect of habitat on gag grouper encounter Using video survey to examine the effect of habitat on gag grouper encounter
Gag is a reef fish that was declared overfished in the Gulf of Mexico (GOM) in 2009. Although Gag are no longer listed as overfished, fisheries managers are concerned that stocks may not be recovering. Our objective was to identify habitat characteristics important to Gag, and their effect on the probability of Gag occurrence. We obtained data from three separate fisheries-independent...
Authors
G. Alvarez, D. Gandy, Brian J. Irwin, Cecil A. Jennings, Adam Fox
Age-0 Smallmouth Bass abundance depends on physicochemical conditions and stream network position Age-0 Smallmouth Bass abundance depends on physicochemical conditions and stream network position
Stream fish survival and recruitment are products of a physicochemical environment that affects growth and provides refuge; yet, the drivers of spatiotemporal variation in juvenile fish abundance remain unclear. Understanding how physicochemical conditions drive spatial and temporal patterns in fish abundances provides insight into how conditions across stream networks influence fish...
Authors
Andrew D. Miller, Shannon K. Brewer
Wildlife resistance and protection in a changing New England landscape Wildlife resistance and protection in a changing New England landscape
Rapid changes in climate and land use threaten the persistence of wildlife species. Understanding where species are likely to occur now and in the future can help identify areas that are resistant to change over time and guide conservation planning. We estimated changes in species distribution patterns and spatial resistance in five future scenarios for the New England region of the...
Authors
Schuyler B. Pearman-Gillman, Matthew J. Duveneck, James D. Murdoch, Therese M. Donovan
Ultrasonic Acoustic Surveys of State Endangered Northern Flying Squirrels in the Pocono Mountains, Pennsylvania Ultrasonic Acoustic Surveys of State Endangered Northern Flying Squirrels in the Pocono Mountains, Pennsylvania
Surveying for flying squirrels by using traditional techniques produces extremely low detection rates compared with ultrasonic acoustics. Within Pennsylvania, the northern flying squirrel subspecies Glaucomys sabrinus macrotis is state listed as endangered due to habitat loss and parasite-mediated competition by and hybridization with the southern flying squirrel Glaucomys volans. This...
Authors
Corinne A. Diggins, L. Michelle Gilley, Gregory G. Turner, W. Mark Ford
Temporal and spatial changes in Myotis lucifugus acoustic activity before and after white-nose syndrome on Fort Drum Army Installation, New York, USA Temporal and spatial changes in Myotis lucifugus acoustic activity before and after white-nose syndrome on Fort Drum Army Installation, New York, USA
Changes to bat distribution and habitat associations at the local to sub-landscape scale in the post white-nose syndrome (WNS) environment have received little attention to date despite being critical information for managers. To better understand the spatial nature of bat population declines, we modelled both activity patterns and occupancy from acoustic surveys for the Myotis lucifugus...
Authors
W. Mark Ford, Tomás Nocera, Alexander Silvis, Christopher A. Dobony
A demographic projection model to support conservation decision making for an endangered snake with limited monitoring data A demographic projection model to support conservation decision making for an endangered snake with limited monitoring data
Conservation planning for rare and threatened species is often made more difficult by a lack of research and monitoring data. In such cases, managers may rely on qualitative assessments of species risk that lack explicit acknowledgement of uncertainty. Snakes are a group of conservation concern that are also notoriously difficult to monitor. Here, we demonstrate a quantitative population
Authors
A. M. Tucker, Conor P. McGowan, E. Mulero Oliveras, N.F. Angeli, J.P. Zegarra
Neonicotinoid insecticide concentrations in agricultural wetlands and associations with aquatic invertebrate communities Neonicotinoid insecticide concentrations in agricultural wetlands and associations with aquatic invertebrate communities
Neonicotinoids are considered a superior insecticide for agricultural pest management, although their impacts on non-target insects is a rising concern. Aside from laboratory and mesocosm studies, limited research has been directed towards the role neonicotinoids may have in structuring aquatic invertebrate communities in field settings. Therefore, we simultaneously collected aquatic...
Authors
T.J. Schepker, Elisabeth B. Webb, Donald E. Tillitt, T. LaGrange