Partitioning the non‑consumptive effects of predators on preywith complex life histories
Jon M. Davenport, Blake R. Hossack, Winsor H. Lowe
2014, Oecologia (176) 149-155
Non-consumptive effects (NCEs) of predators on prey can be as strong as consumptive effects (CEs) and may be driven by numerous mechanisms, including predator characteristics. Previous work has highlighted the importance of predator characteristics in predicting NCEs, but has not addressed how complex life histories of prey could mediate predator...
Heterogeneous occupancy and density estimates of the pathogenic fungus Batrachochytrium dendrobatidis in waters of North America
Tara E. Chestnut, Chauncey W. Anderson, Radu Popa, Andrew R. Blaustein, Mary Voytek, Deanna H. Olson, Julie Kirshtein
2014, PLoS ONE (9)
Biodiversity losses are occurring worldwide due to a combination of stressors. For example, by one estimate, 40% of amphibian species are vulnerable to extinction, and disease is one threat to amphibian populations. The emerging infectious disease chytridiomycosis, caused by the aquatic fungus Batrachochytrium dendrobatidis (Bd), is a contributor to amphibian declines worldwide. Bd research...
List of recent land mammals from Mexico, 2014
Jose Ramirez-Pulido, Noe Gonzalez-Ruiz, Alfred L. Gardner, Joaquin Arroyo-Cabrales
2014, Book
We provide an updated list of the Recent land mammals of Mexico and include information on the taxonomy of certain species, and where appropriate, the endemic and threatened status of all species listed. Several taxonomic and nomenclatural changes have been made since publication of the last list of the Mexican...
Using resistance and resilience concepts to reduce impacts of annual grasses and altered fire regimes on the sagebrush ecosystem and sage-grouse- A strategic multi-scale approach
Jeanne C. Chambers, David A. Pyke, Jeremy D. Maestas, Chad S. Boyd, Steve Campbell, Shawn Espinosa, Doug Havlina, Kenneth F. Mayer, Amarina Wuenschel
2014, Report
This Report provides a strategic approach for conservation of sagebrush ecosystems and Greater Sage- Grouse (sage-grouse) that focuses specifically on habitat threats caused by invasive annual grasses and altered fire regimes. It uses information on factors that influence (1) sagebrush ecosystem resilience to disturbance and resistance to invasive annual grasses...
Structure and tectonics of the northwestern United States from EarthScope USArray magnetotelluric data
Paul A. Bedrosian, Daniel W. Feucht
2014, Earth and Planetary Science Letters (402) 275-289
The magnetotelluric component of the EarthScope USArray program has covered over 35% of the continental United States. Resistivity tomography models derived from these data image lithospheric structure and provide constraints on the distribution of fluids and melt within the lithosphere. We present a three-dimensional resistivity model of the northwestern United...
Lake Ontario zooplankton in 2003 and 2008: Community changes and vertical redistribution
Lars G. Rudstam, Kristen T. Holeck, Kelly L. Bowen, James M. Watkins, Brian Weidel, Frederick J. Luckey
2014, Aquatic Ecosystem Health & Management (18) 43-62
Lake-wide zooplankton surveys are critical for documenting and understanding food web responses to ecosystem change. Surveys in 2003 and 2008 during the binational intensive field year in Lake Ontario found that offshore epilimnetic crustacean zooplankton declined by a factor of 12 (density) and factor of 5 (biomass) in the summer...
Daily survival rates for nests of Black Skimmers from a core breeding area of the Southeastern USA
Gillian L. Brooks, Felicia J. Sanders, Patrick D. Gerard, Patrick G.R. Jodice
2014, Wilson Journal of Ornithology (126) 443-450
Little is known about the reproductive success of Black Skimmers (Rynchops niger) throughout the southeastern USA where availability of undisturbed beaches for nesting is limited. Daily survival rates (DSR) of nests were examined at three nesting sites in Cape Romain National Wildlife Refuge (CRNWR), South Carolina, USA, 2009–2010. The percent...
Effects of management legacies on stream fish and aquatic benthic macroinvertebrate assemblages
Michael C. Quist, Randall D. Schultz
2014, Environmental Management (54) 449-464
Fish and benthic macroinvertebrate assemblages often provide insight on ecological conditions for guiding management actions. Unfortunately, land use and management legacies can constrain the structure of biotic communities such that they fail to reflect habitat quality. The purpose of this study was to describe patterns in fish and benthic macroinvertebrate...
Educational webtool illustrating groundwater age effects on contaminant trends in wells
John Karl Böhlke, Bryant C. Jurgens, David J. Uselmann, Sandra M. Eberts
2014, Groundwater (52) 8-9
No abstract available....
Cross-scale assessment of potential habitat shifts in a rapidly changing climate
Catherine S. Jarnevich, Tracy R. Holcombe, Elizabeth Bell, Matthew L. Carlson, Gino Graziano, Melinda Lamb, Steven S. Seefeldt, Jeffrey T. Morisette
2014, Invasive Plant Science and Management (7) 491-502
We assessed the ability of climatic, environmental, and anthropogenic variables to predict areas of high-risk for plant invasion and consider the relative importance and contribution of these predictor variables by considering two spatial scales in a region of rapidly changing climate. We created predictive distribution models, using Maxent, for three...
Modification of the Quaternary stratigraphic framework of the inner-continental shelf by Holocene marine transgression: An example offshore of Fire Island, New York
William C. Schwab, Wayne E. Baldwin, Jane F. Denny, Cheryl J. Hapke, Paul T. Gayes, Jeffrey H. List, John C. Warner
2014, Marine Geology (355) 346-360
The inner-continental shelf off Fire Island, New York was mapped in 2011 using interferometric sonar and high-resolution chirp seismic-reflection systems. The area mapped is approximately 50 km long by 8 km wide, extending from Moriches Inlet to Fire Island Inlet in water depths ranging from 8 to 32 m. The morphology of this...
Comparison of radio-telemetric home range analysis and acoustic detection for Little Brown Bat habitat evaluation
Laci S. Coleman, W. Mark Ford, Christopher A. Dobony, Eric R. Britzke
2014, Northeastern Naturalist (21) 431-445
With dramatic declines of bat populations due to mortality caused by Pseudogymnoascus destructans (White-nose Syndrome), assessing habitat preferences of bats in the northeastern US is now critical to guide the development of regional conservation efforts. In the summer of 2012, we conducted fixed-station simultaneous telemetry to determine nocturnal spatial use...
Accounting for rate variation among lineages in comparative demographic analyses
Andrew G. Hope, Simon Y. W. Ho, Jason L. Malaney, Joseph A. Cook, Sandra L. Talbot
2014, Evolution (68) 2689-2700
Genetic analyses of contemporary populations can be used to estimate the demographic histories of species within an ecological community. Comparison of these demographic histories can shed light on community responses to past climatic events. However, species experience different rates of molecular evolution, and this presents a major obstacle to comparative...
Factors related to northern goshawk landscape use in the western Great Lakes region
Jason E. Bruggeman, David E. Andersen, James E. Woodford
2014, Journal of Raptor Research (48) 228-239
Northern Goshawks (Accipiter gentilis) are a species of special conservation concern in the western Great Lakes bioregion and elsewhere in North America, and exhibit landscape-scale spatial use patterns. However, little information exists about Northern Goshawk habitat relations at broad spatial extents, as most existing published information comes from a few...
Earliest record of the invasive Foraminifera Trochammina hadai in San Francisco Bay, California, USA
Mary McGann
2014, Marine Biodiversity Records (7)
In 1995, Trochammina hadai, a benthic Foraminifera prevalent in Japanese estuaries, was found in San Francisco Bay, California, USA. Subsequent field investigations determined that the species was also present in nearly all of the major ports and estuaries along the western United States. Because of its widespread colonization, it is...
Organic petrology of the Aptian-age section in the downdip Mississippi Interior Salt Basin, Mississippi, USA: Observations and preliminary implications for thermal maturation history
Brett J. Valentine, Paul C. Hackley, Catherine B. Enomoto, Alana M. Bove, Frank T. Dulong, Celeste D. Lohr, Krystina R. Scott
2014, International Journal of Coal Geology (131) 378-391
This study identifies a thermal maturity anomaly within the downdip Mississippi Interior Salt Basin (MISB) of southern Mississippi, USA, through examination of bitumen reflectance data from Aptian-age strata (Sligo Formation, Pine Island Shale, James Limestone, and Rodessa Formation). U.S. Geological Survey (USGS) reconnaissance investigations conducted in 2011–2012 examined Aptian-age thermal...
Evaluation of a regional monitoring program's statistical power to detect temporal trends in forest health indicators
Stephanie J. Perles, Tyler Wagner, Brian J. Irwin, Douglas R. Manning, Kristina K. Callahan, Matthew R. Marshall
2014, Environmental Management (54) 641-655
Forests are socioeconomically and ecologically important ecosystems that are exposed to a variety of natural and anthropogenic stressors. As such, monitoring forest condition and detecting temporal changes therein remain critical to sound public and private forestland management. The National Parks Service’s Vital Signs monitoring program collects information on many...
Development and characterization of microsatellite markers for the Hawaiian coot, Fulica alai, and Hawaiian gallinule, Gallinula galeata sandvicensis, through next-generation sequencing
Sarah A. Sonsthagen, Robert E. Wilson, Jared G. Underwood
2014, Conservation Genetics Resources (6) 765-767
We used next generation shotgun sequencing to develop novel microsatellite markers for two endangered waterbirds; the Hawaiian coot (Fulica alai) and Hawaiian gallinule (Gallinula galeata sandvicensis). The 20 loci polymorphic in the Hawaiian coot displayed moderate allelic diversity (average 3.8 alleles/locus) and heterozygosity (average 59.5 %). The 12 loci variable for...
Disease and community structure: white-nose syndrome alters spatial and temporal niche partitioning in sympatric bat species
David S. Jachowski, Christopher A. Dobony, Laci S. Coleman, W. Mark Ford, Eric R. Britzke, Jane L. Rodrigue
2014, Diversity and Distributions (20) 1002-1015
AimEmerging infectious diseases present a major perturbation with apparent direct effects such as reduced population density, extirpation and/or extinction. Comparatively less is known about the potential indirect effects of disease that likely alter community structure and larger ecosystem function. Since 2006, white-nose syndrome (WNS) has resulted in the loss of...
Variation in the terrestrial isotopic composition and atomic weight of argon
John Karl Böhlke
2014, Pure and Applied Chemistry (86) 1421-1432
The isotopic composition and atomic weight of argon (Ar) are variable in terrestrial materials. Those variations are a source of uncertainty in the assignment of standard properties for Ar, but they provide useful information in many areas of science. Variations in the stable isotopic composition and atomic weight of Ar...
Pollen dispersal by catapult: Experiments of Lyman J. Briggs on the flower of mountain laurel
John R. Nimmo, Paula M. Hermann, M.B. Kirkham, Edward R. Landa
2014, Physics in Perspective (16) 371-389
The flower of Kalmia latifolia L. employs a catapult mechanism that flings its pollen to considerable distances. Physicist Lyman J. Briggs investigated this phenomenon in the 1950s after retiring as longtime director of the National Bureau of Standards, attempting to explain how hydromechanical effects inside the flower’s stamen could make...
Survival of surf scoters and white-winged scoters during remigial molt
Brian D. Uher-Koch, Daniel Esler, Rian D. Dickson, Jerry W. Hupp, Joseph R. Evenson, Eric M. Anderson, Jennifer Barrett, Joel A. Schmutz
2014, Journal of Wildlife Management (78) 1189-1196
Quantifying sources and timing of variation in demographic rates is necessary to determine where and when constraints may exist within the annual cycle of organisms. Surf scoters (Melanitta perspicillata) and white-winged scoters (M. fusca) undergo simultaneous remigial molt during which they are flightless for >1 month. Molt could result in...
Age-specific survival of male golden-cheeked warblers on the Fort Hood Military Reservation, Texas
Adam Duarte, James E. Hines, James D. Nichols, Jeffrey S. Hatfield, Floyd W. Weckerly
2014, Avian Conservation and Ecology (9)
Population models are essential components of large-scale conservation and management plans for the federally endangered Golden-cheeked Warbler (Setophaga chrysoparia; hereafter GCWA). However, existing models are based on vital rate estimates calculated using relatively small data sets that are now more than a decade old. We estimated more current, precise adult...
Characterization of Lone Pine, California, tremolite asbestos and preparation of research material
Martin Harper, Bradley S. Van Gosen, Owen S Crankshaw, Stacy S Doorn, J. Todd Ennis, Sara E Harrison
2014, The Annals of Occupational Hygiene (59) 91-103
Well-characterized amphibole asbestos mineral samples are required for use as analytical standards and in future research projects. Currently, the National Institute for Standards and Technology Standard Reference Material samples of asbestos are listed as ‘Discontinued’. The National Institute for Occupational Safety and Health (NIOSH) has a goal under the Asbestos...
Recent population size, trends, and limiting factors for the double-crested Cormorant in Western North America
Jessica Y. Adkins, Daniel D. Roby, Donald E. Lyons, Karen N. Courtot, Ken Collis, Harry R. Carter, W. David Shuford, Phillip J. Capitolo
2014, Journal of Wildlife Management (78) 1131-1142
The status of the double-crested cormorant (Phalacrocorax auritus) in western North America was last evaluated during 1987–2003. In the interim, concern has grown over the potential impact of predation by double-crested cormorants on juvenile salmonids (Oncorhynchusspp.), particularly in the Columbia Basin and along the Pacific coast where some salmonids are...
