Facing a changing world: Thermal physiology of American pikas (Ochotona princeps)
Hans W Otto, James A Wilson, Erik A. Beever
2015, Western North American Naturalist (75) 429-445
American pikas (Ochotona princeps) are of concern with respect to warming montane temperatures; however, little information exists regarding their physiological ability to adapt to warming temperatures. Previous studies have shown that pikas have high metabolism and low thermal conductance, which allow survival during cold winters. It has been hypothesized that...
Population characteristics of channel catfish near the northern edge of their distribution: implications for management
K. P. Carter-Lynn, Michael C. Quist
2015, Fisheries Management and Ecology (22) 530-538
Channel catfish, Ictalurus punctatus (Rafinesque), populations in six lakes in northern Idaho, USA, were sampled to describe their population characteristics. During the summers of 2011 and 2012, 4864 channel catfish were sampled. Channel catfish populations had low to moderate catch rates, and length structure was dominated by fish <400 mm. Channel catfish were...
Evaluation of a fine sediment removal tool in spring-fed and snowmelt driven streams
Adam J. Sepulveda, Megan J. Layhee, Zach Sutphin, Juddson D. Sechrist
2015, Ecological Restoration (33) 303-315
The accumulation of fine-grained sediments impairs the structure and function of streams, so removing fine sediments may be required to achieve restoration objectives. There has been little work on methods of removing excess sediment or on the efficacy of the methods. We used a 4-year before-after-control-impact design in southeastern Idaho...
Brumation of introduced Black and White Tegus, Tupinambis merianae (Squamata: Teiidae), in southern Florida
Michelle McEachern, Amy A. Yackel Adams, Page E. Klug, Lee A. Fitzgerald, Robert N. Reed
2015, Southeastern Naturalist (14) 319-328
An established population of Tupinambis merianae (Black and White Tegu) in southeastern Florida threatens the Everglades ecosystem. Understanding the behavioral ecology of Black and White Tegus could aid in management and control plans. Black and White Tegus are seasonally active and brumate during the winter in their native range, but...
The continuing medical mystery of Balkan Endemic Nephropathy
Lynn M. Crosby, Calin A. Tatu, William H. Orem, Nikola Pavlovic MD PhD
2015, Journal of Rare Diseases (3) 22-37
Balkan Endemic Nephropathy (BEN) is a disease of subtle onset and insidious progression that typically occurs between the 4th and 6th decade in long‐resident individuals in highly specific geographic locations of the Balkan region and affects 1 – 5% of the population. Though it does not follow typical Mendelian genetics,...
Mineral potential tracts for polymetallic Pb-Zn-Cu vein deposits (phase V, deliverable 71): Chapter I in Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II)
Georges Beaudoin
2015, Open-File Report 2013-1280-I
In Mauritania, mineral occurrences of the polymetallic Pb-Zn-Cu vein deposit type are found near the Florence-El Khdar shear zone in northeast Mauritania. The deposits visited were deemed representative of other similar occurrences and consist of quartz veins with trace sulfides. The low sulfide and Pb-Zn-Cu content in the quartz veins...
Mineral potential tracts for shoreline Ti-Zr placer deposits (phase V, deliverable 85): Chapter P in Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II)
Georges Beaudoin
2015, Open-File Report 2013-1280-P
Shoreline placer Ti deposits are composed of ilmenite, rutile, zircon, monazite, and magnetite in well-sorted, fine- to medium-grained sand in coastal dunes, beaches and inlets. In addition to titanium, zirconium, in particular, and rare earth elements (REE) have become a major source of value in shoreline placer deposits. Shoreline placer...
New insight into California’s drought through open data
Emily K. Read, Mary Bucknell, Megan Hines, James M. Kreft, Jessica M. Lucido, Jordan S. Read, Carl Schroedl, David M. Sibley, Shirley Stephan, Ivan Suftin, Phethala Thongsavanh, Jamon Van Den Hoek, Jordan I. Walker, Martin R Wernimont, Luke A. Winslow, Andrew N. Yan
2015, BayGEO Journal (8)
Historically unprecedented drought in California has brought water issues to the forefront of the nation’s attention. Crucial investigations that concern water policy, management, and research, in turn, require extensive information about the quality and quantity of California’s water. Unfortunately, key sources of pertinent data are unevenly distributed and frequently hard...
U.S. States and Territories National Tsunami Hazard Assessment: Historical record and sources for waves – Update
Paula K. Dunbar, Craig S. Weaver
2015, Report
The first U.S. Tsunami Hazard Assessment (Dunbar and Weaver, 2008) was prepared at the request of the National Tsunami Hazard Mitigation Program (NTHMP). The NTHMP is a partnership formed between federal and state agencies to reduce the impact of tsunamis through hazard assessment, warning guidance, and mitigation. The assessment was...
A replication of a factor analysis of motivations for trapping
Susan Schroeder, David C. Fulton
2015, Human Dimensions of Wildlife (20) 280-283
Using a 2013 sample of Minnesota trappers, we employed confirmatory factor analysis to replicate an exploratory factor analysis of trapping motivations conducted by Daigle, Muth, Zwick, and Glass (1998). We employed the same 25 items used by Daigle et al. and tested the same five-factor structure using a recent sample...
Diel resource partitioning among juvenile Atlantic Salmon, Brown Trout, and Rainbow Trout during summer
James H. Johnson, James E. McKenna Jr.
2015, North American Journal of Fisheries Management (35) 586-597
Interspecific partitioning of food and habitat resources has been widely studied in stream salmonids. Most studies have examined resource partitioning between two native species or between a native species and one that has been introduced. In this study we examine the diel feeding ecology and habitat use of three species...
Precision of hard structures used to estimate age of mountain Whitefish (Prosopium williamsoni)
Carson J. Watkins, Tyler J. Ross, Ryan S. Hardy, Michael C. Quist
2015, Western North American Naturalist (75) 1-7
The mountain whitefish (Prosopium williamsoni) is a widely distributed salmonid in western North America that has decreased in abundance over portions of its distribution due to anthropogenic disturbances. In this investigation, we examined precision of age estimates derived from scales, pectoral fin rays, and sagittal otoliths from 167 mountain whitefish....
Non-lethal assessment of freshwater mussel physiological response to changes in environmental factors
Andrea K. Fritts, James T. Peterson, Jason M. Wisniewski, Robert B. Bringolf
2015, Canadian Journal of Fisheries and Aquatic Sciences (72) 1460-1468
The development of effective nonlethal biomonitoring techniques is imperative for the preservation of imperiled freshwater mussel populations. Changes in hemolymph chemistry profiles and tissue glycogen are potential biomarkers for nonlethally monitoring stress in mussels. We sampled three species in the Flint River Basin over 2 years to evaluate how these...
Evaluation of methods for assessing physiological biomarkers of stress in freshwater mussels
Andrea K. Fritts, James T. Peterson, Peter D. Hazelton, Robert B. Bringolf
2015, Canadian Journal of Fisheries and Aquatic Sciences (72) 1450-1459
Freshwater mussel populations are highly susceptible to environmental alterations because of their diminished numbers and primarily sessile behaviors; nonlethal biomonitoring programs are needed to evaluate the health of populations prior to mass mortality events. Our objectives were to determine (i) which biochemical parameters in freshwater mussel hemolymph could be consistently...
An evaluation of the relations between flow regime components, stream characteristics, species traits and meta-demographic rates of warmwater stream fishes: Implications for aquatic resource management
James T. Peterson, C.P. Shea
2015, River Research and Applications (31) 1227-1241
Fishery biologists are increasingly recognizing the importance of considering the dynamic nature of streams when developing streamflow policies. Such approaches require information on how flow regimes influence the physical environment and how those factors, in turn, affect species-specific demographic rates. A more cost-effective alternative could be the use of dynamic...
Habitat use of non-native burbot in a western river
Zachary B. Klein, Michael C. Quist, Darren T. Rhea, Anna C. Senecal
2015, Hydrobiologia (757) 61-71
Burbot, Lota lota (Linnaeus), were illegally introduced into the Green River drainage, Wyoming in the 1990s. Burbot could potentially alter the food web in the Green River, thereby negatively influencing socially, economically, and ecologically important fish species. Therefore, managers of the Green River are interested in implementing a suppression program...
Implications of climate and land use change
Jefferson S. Hall, Enrique Murgueitio, Zoraida Calle, Ciara Raudsepp-Hearne, Robert F. Stallard, Patricia Balvanera
Jefferson S. Hall, Vanessa Kirn, Estrella Yanguas-Fernandez, editor(s)
2015, Book chapter, Managing watersheds for ecosystem services in the steepland neotropics
This chapter relates ecosystem services to climate change and land use. The bulk of the chapter focuses on ecosystem services and steepland land use in the humid Neotropics – what is lost with land-cover changed, and what is gained with various types of restoration that are sustainable given private ownership....
Raccoon (Procyon lotor) diurnal den use within an intensively managed forest in central West Virginia
Sheldon F. Owen, Jacob L. Berl, John W. Edwards, W. Mark Ford, Petra Bohall Wood
2015, Northeastern Naturalist (22) 41-52
Intensive forest management may influence the availability of suitable den sites for large den-seeking species, such as Procyon lotor (Raccoon). As part of a Raccoon ecology study on an industrial forest in the Allegheny Mountains of central West Virginia, we radio-tracked 32 Raccoons to 175 diurnal den sites to determine relative use...
Spatial and temporal variation in marine birds in the north Gulf of Alaska: The value of marine bird monitoring within Gulf Watch Alaska
Kathy J. Kuletz, Daniel Esler
2015, Report, Quantifying temporal and spatial ecosystem variability across the Northern Gulf of Alaska to understand mechanisms of change: Science synthesis report for the Gulf Watch Alaska Program
Birds offer useful insights into marine ecosystems. Marine birds are responsive to spatial and temporal variation in the environment, that often originates with fluctuations in oceanographic and climatic drivers and permeates up through food webs to conspicuous top predators such as seabirds (Coyle and Pinchuk 2005, Speckman et al. 2005,...
Estimating spawning times of Alligator Gar (Atractosteus spatula) in Lake Texoma, Oklahoma
Richard A. Snow, James M. Long
2015, Proceedings of the Oklahoma Academy of Science (95) 46-53
In 2013, juvenile Alligator Gar were sampled in the reservoir-river interface of the Red River arm of Lake Texoma. The Red River, which flows 860 km along Oklahoma’s border with Texas, is the primary in-flow source of Lake Texoma, and is impounded by Denison Dam. Minifyke nets were deployed using...
Serologic evidence of influenza A (H14) virus introduction into North America
Neus Latorre-Margalef, Andrew M. Ramey, Alinde Fojtik, David E. Stallknecht
2015, Emerging Infectious Diseases (21) 2257-2259
Although a diverse population of influenza A viruses (IAVs) is maintained among ducks, geese, shorebirds, and gulls, not all of the 16 avian hemagglutinin (HA) subtypes are equally represented (1). The 14th HA subtype, commonly known as the H14 subtype, was historically limited to isolates from the former Soviet Union...
Raccoon spatial requirements and multi-scale habitat selection within an intensively managed central Appalachian forest
Sheldon F. Owen, Jacob L. Berl, John W. Edwards, W. Mark Ford, Petra Bohall Wood
2015, American Midland Naturalist (174) 87-95
We studied a raccoon (Procyon lotor) population within a managed central Appalachian hardwood forest in West Virginia to investigate the effects of intensive forest management on raccoon spatial requirements and habitat selection. Raccoon home-range (95% utilization distribution) and core-area (50% utilization distribution) size differed between sexes with males maintaining larger...
Assessing tolerance for wildlife: Clarifying relations between concepts and measures
Jeremy T. Bruskotter, Ajay Singh, David C. Fulton, Kristina Slagle
2015, Human Dimensions of Wildlife: An International Journal (20) 255-270
Two parallel lines of inquiry, tolerance for and acceptance of wildlife populations, have arisen in the applied literature on wildlife conservation to assess probability of successfully establishing or increasing populations of controversial species. Neither of these lines is well grounded in social science theory, and diverse measures have been employed...
Population and genetic outcomes 20 years after reintroducing bobcats (Lynx rufus) to Cumberland Island, Georgia USA
Duane R. Diefenbach, Leslie A. Hansen, Justin H. Bohling, Cassandra Miller-Butterworth
2015, Ecology and Evolution (5) 4885-4895
In 1988–1989, 32 bobcats Lynx rufus were reintroduced to Cumberland Island (CUIS), Georgia, USA, from which they had previously been extirpated. They were monitored intensively for 3 years immediately post-reintroduction, but no estimation of the size or genetic diversity of the population had been conducted in over 20 years since reintroduction. We returned to...
Evidence from data storage tags for the presence of lunar and semilunar behavioral cycles in spawning Atlantic cod
Timothy B. Grabowski, Bruce J. McAdam, Vilhjalmur Thorsteinsson, Gudrun Marteinsdottir
2015, Environmental Biology of Fishes (98) 1767-1776
Understanding the environmental processes determining the timing and success of reproduction is of critical importance to developing effective management strategies of marine fishes. Unfortunately it has proven difficult to comprehensively study the reproductive behavior of broadcast-spawning fishes. The use of electronic data storage tags (DSTs) has the potential to provide...
