The social, economic, and environmental importance of inland fish and fisheries
Abigail J. Lynch, Steven J. Cooke, Andrew M. Deines, Shannon D. Bower, David B. Bunnell, Ian G. Cowx, Vivian M. Nguyen, Joel K. Nohner, Kaviphone Phouthavong, Betsy Riley, Mark W. Rogers, William W. Taylor, Whitney Woelmer, So-Jung Youn, T. Douglas Beard Jr.
2016, Environmental Reviews (24) 115-121
Though reported capture fisheries are dominated by marine production, inland fish and fisheries make substantial contributions to meeting the challenges faced by individuals, society, and the environment in a changing global landscape. Inland capture fisheries and aquaculture contribute over 40% to the world’s reported finfish production from less than 0.01%...
Where the wild things are: A research agenda for studying wildlife-wilderness relationship
Michael K. Schwartz, Beth Hahn, Blake R. Hossack
2016, Journal of Forestry (114) 311-319
We explore the connection between US designated wilderness areas and wildlife with the goal of establishing a research agenda for better understanding this complex relationship. Our research agenda has two components. The first, “wildlife for wilderness,” considers the impact of wildlife on wilderness character. Whereas studies show that wildlife is...
Book review: New concepts and discoveries: the Geological Society of Nevada 2015 Symposium Proceedings
Warren C. Day
2016, Economic Geology (111) 543-546
The Nevada Geological Society has a long history of convening meetings and workshops focused on the geology and metallogeny of the western United States relevant to the mineral exploration and mining community across the Great Basin. One outgrowth of the Geological Society of Nevada’s 2015 Symposium is a two-volume set,...
Book review: Current perspectives on zinc deposits
Karen D. Kelley
2016, Economic Geology (111) 545-546
This book, published in 2015 by the Irish Association for Economic Geology (IAEG), is a compilation of papers and abstracts written by selected authors who attended the ZINC 2010 Conference in Cork, Ireland. Unlike most books produced each decade by the IAEG, which are focused primarily on achievements of the Irish and...
Natural thorium resources and recovery: Options and impacts
Timothy Ault, Bradley S. Van Gosen, Steven Krahn, Allen Croff
2016, Nuclear Technology (194) 136-151
This paper reviews the front end of the thorium fuel cycle, including the extent and variety of thorium deposits, the potential sources of thorium production, and the physical and chemical technologies required to isolate and purify thorium. Thorium is frequently found within rare earth element–bearing minerals that exist in diverse...
Hierarchical species distribution models
Trevor J. Hefley, Mevin Hooten
2016, Current Landscape Ecology Reports (1) 87-97
Determining the distribution pattern of a species is important to increase scientific knowledge, inform management decisions, and conserve biodiversity. To infer spatial and temporal patterns, species distribution models have been developed for use with many sampling designs and types of data. Recently, it has been shown that count, presence-absence, and...
Combined use of thermal methods and seepage meters to efficiently locate, quantify, and monitor focused groundwater discharge to a sand-bed stream
Donald O. Rosenberry, Martin A. Briggs, Geoffrey N. Delin, Danielle K. Hare
2016, Water Resources Research (52) 4486-4503
Quantifying flow of groundwater through streambeds often is difficult due to the complexity of aquifer-scale heterogeneity combined with local-scale hyporheic exchange. We used fiber-optic distributed temperature sensing (FO-DTS), seepage meters, and vertical temperature profiling to locate, quantify, and monitor areas of focused groundwater discharge in a geomorphically simple sand-bed stream....
New summer areas and mixing of two greater sandhill crane populations in the Intermountain West
Daniel P. Collins, Blake A. Grisham, Courtenay M. Conring, Jeffrey M. Knetter, Warren C. Conway, Scott A. Carleton, Matthew A. Boggie
2016, Journal of Fish and Wildlife Management (7) 141-152
Population delineation throughout the annual life cycle for migratory birds is needed to formulate regional and national management and conservation strategies. Despite being well studied continentally, connectivity of sandhill crane Grus canadensis populations throughout the western portion of their North American range remains poorly described. Our objectives were to 1) use global...
Reevaluation of the Crooked Ridge River- Early Pleistocene (ca. 2 Ma) age and origin of the White Mesa Alluvium, northeastern Arizona
Richard Hereford, Sue Beard, William R. Dickinson, Karl E. Karlstrom, Matthew T. Heizler, Laura J. Crossey, Lee Amoroso, Kyle House, Mark Pecha
2016, Geosphere (12) 768-789
Essential features of the previously named and described Miocene Crooked Ridge River in northeastern Arizona (USA) are reexamined using new geologic and geochronologic data. Previously it was proposed that Cenozoic alluvium at Crooked Ridge and southern White Mesa was pre–early Miocene, the product of a large, vigorous late Paleogene river...
Population viability analysis for endangered Roanoke logperch
James H. Roberts, Paul L. Angermeier, Gregory B. Anderson
2016, Journal of Fish and Wildlife Management (7) 46-64
A common strategy for recovering endangered species is ensuring that populations exceed the minimum viable population size (MVP), a demographic benchmark that theoretically ensures low long-term extinction risk. One method of establishing MVP is population viability analysis, a modeling technique that simulates population trajectories and forecasts extinction risk based on...
Changes in rates of capture and demographics of Myotis septentrionalis (Northern Long-eared Bat) in Western Virginia before and after onset of white-nose syndrome
Richard J. Reynolds, Karen E. Powers, Wil Orndorff, W. Mark Ford, Christopher S. Hobson
2016, Northeastern Naturalist (23) 195-204
Documenting the impacts of white-nose syndrome (WNS) on demographic patterns, such as annual survivorship and recruitment, is important to understanding the extirpation or possible stabilization and recovery of species over time. To document demographic impacts of WNS on Myotis septentrionalis (Northern Long-eared Bat), we mistnetted at sites in western Virginia...
Seasonal changes in atmospheric noise levels and the annual variation in pigeon homing performance
Jonathan T. Hagstrum, Hugh P. McIsaac, Douglas P. Drob
2016, Journal of Comparative Physiology A (202) 413-424
Repeated releases of experienced homing pigeons from single sites were conducted between 1972 and 1974 near Cornell University in upstate New York and between 1982 and 1983 near the University of Pittsburgh in western Pennsylvania, USA. No annual variation in homing performance was observed at these sites in eastern North...
Mixed stock analysis of Lake Michigan's Lake Whitefish Coregonus clupeaformis commercial fishery
Ryan Andvik, Brian L. Sloss, Justin A. VanDeHey, Randall M. Claramunt, Scott P. Hansen, Daniel A. Isermann
2016, Journal of Great Lakes Research (42) 660-667
Lake whitefish (Coregonus clupeaformis) support the primary commercial fishery in Lake Michigan. Discrete genetic stocks of lake whitefish have been identified and tagging data suggest stocks are mixed throughout much of the year. Our objectives were to determine if (1) differential stock harvest occurs in the commercial catch, (2) spatial...
Differences in coastal subsidence in southern Oregon (USA) during at least six prehistoric megathrust earthquakes
Yvonne Milker, Alan R. Nelson, Benjamin P. Horton, Simon E. Engelhart, Lee-Ann Bradley, Robert C. Witter
2016, Quaternary Science Reviews (142) 143-163
Stratigraphic, sedimentologic (including CT 3D X-ray tomography scans), foraminiferal, and radiocarbon analyses show that at least six of seven abrupt peat-to-mud contacts in cores from a tidal marsh at Talbot Creek (South Slough, Coos Bay), record sudden subsidence (relative sea-level rise) during great megathrust earthquakes at the Cascadia subduction zone....
Deriving habitat models for northern long-eared bats from historical detection data: A case study using the Fernow Experimental Forest
W. Mark Ford, Alexander Silvis, Jane L. Rodrigue, Andrew B. Kniowski, Joshua B. Johnson
2016, Journal of Fish and Wildlife Management (7) 86-98
The listing of the northern long-eared bat (Myotis septentrionalis) as federally threatened under the Endangered Species Act following severe population declines from white-nose syndrome presents considerable challenges to natural resource managers. Because the northern long-eared bat is a forest habitat generalist, development of effective conservation measures will depend on appropriate...
Recent changes in stream flashiness and flooding, and effects of flood management in North Carolina and Virginia
Beatriz Mogollon, Emmanuel A. Frimpong, Andrew B. Hoegh, Paul L. Angermeier
2016, Journal of the American Water Resources Association (52) 561-577
The southeastern United States has undergone anthropogenic changes in landscape structure, with the potential to increase (e.g., urbanization) and decrease (e.g., reservoir construction) stream flashiness and flooding. Assessment of the outcome of such change can provide insight into the efficacy of current strategies and policies to manage water resources. We...
Seismic envelope-based detection and location of ground-coupled airwaves from volcanoes in Alaska
David Fee, Matthew M. Haney, Robin S. Matoza, Curt A.L. Szuberla, John J. Lyons, Christopher F. Waythomas
2016, Bulletin of the Seismological Society of America (106) 1024-1035
Volcanic explosions and other infrasonic sources frequently produce acoustic waves that are recorded by seismometers. Here we explore multiple techniques to detect, locate, and characterize ground‐coupled airwaves (GCA) on volcano seismic networks in Alaska. GCA waveforms are typically incoherent between stations, thus we use envelope‐based techniques in our analyses. For...
Mink predation on brown trout in a Black Hills stream
Jacob L. Davis, Jerry W. Wilhite, Steven R. Chipps
2016, The Prairie Naturalist (48) 4-10
In the early 2000’s, declines in the brown trout (Salmo trutta) fishery in Rapid Creek, South Dakota, caused concern for anglers and fisheries managers. We conducted a radio telemetry study in 2010 and 2011 to identify predation mortality associated with mink, using hatchery-reared (2010) or wild (2011) brown trout....
A low-disturbance capture technique for ground-nesting Double-crested Cormorants (Phalacrocorax auritus)
Karen Courtot, Daniel D. Roby, Lauren H. Kerr, Donald E. Lyons, Jessica Y. Adkins
2016, Waterbirds (39) 193-198
Capturing breeding adults of colonially nesting species can entail risks of nest failure and even colony abandonment, especially in species that react strongly to human disturbance. A low-disturbance technique for capturing specific adult Double-crested Cormorants (Phalacrocorax auritus) at a ground-nesting colony was developed to reduce these risks and is described...
Lithium brines: A global perspective
LeeAnn Munk, Scott Hynek, Dwight Bradley, David Boutt, Keith A. Labay, Hillary Jochens
Philip L. Verplanck, Murray W. Hitzman, editor(s)
2016, Book chapter, Rare earth and critical elements in ore deposits
Lithium is a critical and technologically important element that has widespread use, particularly in batteries for hybrid cars and portable electronic devices. Global demand for lithium has been on the rise since the mid-1900s and is projected to...
Trophic dynamics of shrinking Subarctic lakes: naturally eutrophic waters impart resilience to rising nutrient and major ion concentrations
Tyler Lewis, Mark S. Lindberg, Joel A. Schmutz, Patricia J. Heglund, Joshua H. Schmidt, Adam J. Dubour, Jennifer R. Rover, Mark R. Bertram
2016, Oecologia (181) 583-596
Shrinking lakes were recently observed for several Arctic and Subarctic regions due to increased evaporation and permafrost degradation. Along with lake drawdown, these processes often boost aquatic chemical concentrations, potentially impacting trophic dynamics. In particular, elevated chemical levels may impact primary productivity, which may in turn influence populations of primary...
Building a subduction zone observatory
Joan S. Gomberg, Paul Bodin, Jody Bourgeois, Susan Cashman, Darrel Cowan, Kenneth C. Creager, Brendan Crowell, Alison Duvall, Arthur D. Frankel, Frank I. Gonzalez, Heidi Houston, Paul Johnson, Harvey Kelsey, Una Miller, Emily C. Roland, David Schmidt, Lydia M. Staisch, John Vidale, William Wilcock, Erin Wirth
2016, Eos, Earth and Space Science News
Subduction zones contain many of Earth’s most remarkable geologic structures, from the deepest oceanic trenches to glacier-covered mountains and steaming volcanoes. These environments formed through spectacular events: Nature’s largest earthquakes, tsunamis, and volcanic eruptions are born here....
First records of Canis dirus and Smilodon fatalis from the late Pleistocene Tule Springs local fauna, upper Las Vegas Wash, Nevada
Eric Scott, Kathleen B. Springer
2016, PeerJ (4)
Late Pleistocene groundwater discharge deposits (paleowetlands) in the upper Las Vegas Wash north of Las Vegas, Nevada, have yielded an abundant and diverse vertebrate fossil assemblage, the Tule Springs local fauna (TSLF). The TSLF is the largest open-site vertebrate fossil assemblage dating to the Rancholabrean North American Land Mammal Age...
Ecology and control of an introduced population of Southern Watersnakes (Nerodia fasciata) in southern California
Robert Reed, Brian D Todd, Oliver J. Miano, Mark Canfield, Robert N. Fisher, Louanne McMartin
2016, Herpetologica (72) 130-136
Native to the southeastern United States, Southern Watersnakes (Nerodia fasciata) are known from two sites in California, but their ecological impacts are poorly understood. We investigated the ecology of Southern Watersnakes in Machado Lake, Harbor City, Los Angeles County, California, including an assessment of control opportunities. We captured 306 watersnakes...
Change in numbers of resident and migratory shorebirds at the Cabo Rojo Salt Flats, Puerto Rico, USA (1985–2014)
Morgan A. Parks, Jaime A. Collazo, Jose A. Colon, Katsi R. Ramos Alvarez, Oscar Diaz
2016, Waterbirds (39) 209-214
North American migratory shorebirds have declined markedly since the 1980s, underscoring the importance of population surveys to conduct status and trend assessments. Shorebird surveys were conducted during three multi-year periods between 1985 and 2014 and used to assess changes in numbers and species composition at the Cabo Rojo Salt Flats,...
