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: 5125
Spatial factors of white-tailed deer herbivory assessment in the central Appalachian Mountains Spatial factors of white-tailed deer herbivory assessment in the central Appalachian Mountains
Because moderate to over-abundant white-tailed deer (Odocoileus virginianus) herbivory impacts biodiversity and can alter community function, ecological benchmarks of herbivory impact are needed to assess deer impacts. We evaluated spatial patterns of deer herbivory and their relation to herbivory assessment by evaluating woody vegetation along 20 transects at each of 30 sites spread...
Authors
Andrew B. Kniowski, W. Mark Ford
Genetic integrity, population status, and long-term viability of isolated populations of shoal bass in the upper Chattahoochee River basin, Georgia Genetic integrity, population status, and long-term viability of isolated populations of shoal bass in the upper Chattahoochee River basin, Georgia
This report characterizes the status of multiple isolated Shoal Bass (Micropterus cataractae) populations in the upper Chattahoochee River basin (UCRB), Georgia. The Shoal Bass, a sport fish endemic to the Apalachicola-Chattahoochee-Flint River (ACF) basin, is a fluvial-specialist species considered vulnerable to local extirpations and extinction due to habitat fragmentation and...
Authors
Andrew T. Taylor, James M. Long
Assessing the risk of dreissenid mussel invasion in Texas based on lake physical characteristics and potential for downstream dispersal Assessing the risk of dreissenid mussel invasion in Texas based on lake physical characteristics and potential for downstream dispersal
ebra mussels (Dreissena polymorpha) and quagga mussels (Dreissena bugensis) were likely introduced from Ponto-Caspian Eurasia to the Laurentian Great Lakes inadvertently via ballast water release in the 1980s and have since spread across the US, including Texas. Their spread into the state, including reservoirs in both Brazos River and Colorado River basins, has resulted in a need to...
Authors
Matthew A Barnes, Reynaldo Patino
Visual cues for woodpeckers: light reflectance of decayed wood varies by decay fungus Visual cues for woodpeckers: light reflectance of decayed wood varies by decay fungus
The appearance of wood substrates is likely relevant to bird species with life histories that require regular interactions with wood for food and shelter. Woodpeckers detect decayed wood for cavity placement or foraging, and some species may be capable of detecting trees decayed by specific fungi; however, a mechanism allowing for such specificity remains unidentified. We hypothesized...
Authors
Sean T. O’Daniels, Dylan C. Kesler, Jeanne D. Mihail, Elisabeth B. Webb, Scott J. Werner
Factors impacting hunter access to private lands in southeast Minnesota Factors impacting hunter access to private lands in southeast Minnesota
White-tailed deer (Odocoileus virginianus) have important socioeconomic and ecological impacts in the United States. Hunting is considered to be important for the effective management of deer and relies on access to privately owned lands. In 2013, we surveyed nonindustrial private landowners in southeast Minnesota and created two logit models to examine factors that impact landowners’...
Authors
Eric Walberg, Louis Cornicelli, David C. Fulton
Incorporating an approach to aid river and reservoir fisheries in an altered landscape Incorporating an approach to aid river and reservoir fisheries in an altered landscape
Reservoir construction for human-use services alters connected riverine flow patterns and influences fish production. We sampled two pelagic fishes from two rivers and two reservoirs and related seasonal and annual hydrology patterns to the recruitment and growth of each species. River and reservoir populations of Freshwater Drum Aplodinotus grunniens reached similar ages (32 and 31...
Authors
Shannon K. Brewer, Daniel E. Shoup, John Dattillo
Multiple drivers, scales, and interactions influence southern Appalachian stream salamander occupancy Multiple drivers, scales, and interactions influence southern Appalachian stream salamander occupancy
Understanding how factors that vary in spatial scale relate to population abundance is vital to forecasting species responses to environmental change. Stream and river ecosystems are inherently hierarchical, potentially resulting in organismal responses to fine‐scale changes in patch characteristics that are conditional on the watershed context. Here, we address how populations of two...
Authors
Kristen K. Cecala, John C. Maerz, Brian J. Halstead, John R. Frisch, Ted L. Gragson, Jeffrey Hepinstall-Cymerman, David S. Leigh, C. Rhett Jackson, James T. Peterson, Catherine M. Pringle
Increased scientific rigor will improve reliability of research and effectiveness of management Increased scientific rigor will improve reliability of research and effectiveness of management
Rigorous science that produces reliable knowledge is critical to wildlife management because it increases accurate understanding of the natural world and informs management decisions effectively. Application of a rigorous scientific method based on hypothesis testing minimizes unreliable knowledge produced by research. To evaluate the prevalence of scientific rigor in wildlife research...
Authors
Sarah N. Sells, Sarah B. Bassing, Kristin J. Barker, Shannon C. Forshee, Allison Keever, James W. Goerz, Michael S. Mitchell
Tundra landform and vegetation productivity trend maps for the Arctic Coastal Plain of northern Alaska Tundra landform and vegetation productivity trend maps for the Arctic Coastal Plain of northern Alaska
Arctic tundra landscapes are composed of a complex mosaic of patterned ground features, varying in soil moisture, vegetation composition, and surface hydrology over small spatial scales (10–100 m). The importance of microtopography and associated geomorphic landforms in influencing ecosystem structure and function is well founded, however, spatial data products describing local to...
Authors
Mark J. Lara, Ingmar Nitze, Guido Grosse, A. David McGuire
Efficacy of using data from angler-caught Burbot to estimate population rate functions Efficacy of using data from angler-caught Burbot to estimate population rate functions
The effective management of a fish population depends on the collection of accurate demographic data from that population. Since demographic data are often expensive and difficult to obtain, developing cost‐effective and efficient collection methods is a high priority. This research evaluates the efficacy of using angler‐supplied data to monitor a nonnative population of Burbot Lota lota...
Authors
Tucker A. Brauer, Darren T. Rhea, John D. Walrath, Michael C. Quist
Bat activity following restoration prescribed burning in the central Appalachian Upland and riparian habitats Bat activity following restoration prescribed burning in the central Appalachian Upland and riparian habitats
After decades of fire suppression in eastern North America, land managers now are prioritizing prescribed fire as a management tool to restore or maintain fire-adapted vegetation communities. However, in long—fire-suppressed landscapes, such as the central and southern Appalachians, it is unknown how bats will respond to prescribed fire in both riparian and upland forest habitats. To...
Authors
Lauren V. Austin, Alexander Silvis, W. Mark Ford, Michael Muthersbaugh, Karen E. Powers
Habitat mosaics and path analysis can improve biological conservation of aquatic biodiversity in ecosystems with low-head dams Habitat mosaics and path analysis can improve biological conservation of aquatic biodiversity in ecosystems with low-head dams
Conserving native biodiversity depends on restoring functional habitats in the face of human-induced disturbances. Low-head dams are a ubiquitous human impact that degrades aquatic ecosystems worldwide. To improve our understanding of how low-head dams impact habitat and associated biodiversity, our research examined complex interactions among three spheres of the total environment. i.e...
Authors
Sean M. Hitchman, Martha E. Mather, Joseph M. Smith, Jane S. Fencl