Changes in Mauna Kea Dry Forest Structure 2000-2014
Paul C. Banko, Kevin W. Brinck
2014, Technical Report HCSU-054
Changes in the structure of the subalpine vegetation of Palila Critical Habitat on the southwestern slope of Mauna Kea Volcano, Hawai‘i, were analyzed using 12 metrics of change in māmane (Sophora chrysophylla) and naio (Myoporum sandwicense) trees surveyed on plots in 2000 and 2014. These two dominant species were analyzed...
Circulating fat-soluble vitamin concentrations and nutrient composition of aquatic prey eaten by American oystercatchers (Haematopus palliatus) in the southeastern United States
Daphne Carlson-Bremer, Terry M. Norton, Felicia J. Sanders, Brad Winn, Mark D. Spinks, Batsheva A. Glatt, Lisa Mazzaro, Patrick G.R. Jodice, Tai C. Chen, Ellen S. Dierenfeld
2014, Journal of Avian Medicine and Surgery (28) 216-224
The American oystercatcher (Haematopus palliatus palliatus) is currently listed as a species of high concern by the United States Shorebird Conservation Plan. Because nutritional status directly impacts overall health and reproduction of individuals and populations, adequate management of a wildlife population requires intimate knowledge of a species' diet and nutrient...
Viral erythrocytic necrosis
James R. Winton, Paul K. Hershberger
2014, Book chapter, FHS blue book: Suggested procedures for the detection and identification of certain finfish and shellfish pathogens
Viral erythrocytic necrosis (VEN), originally termed piscine erythrocytic necrosis, is a condition that has been reported to affect the red blood cells (RBCs) of many species of marine and anadromous fishes in both the Atlantic and Pacific Oceans (Nicholson and Reno 1981; Smail 1982; Wolf 1988; Dannevig and Thorud 1999)....
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....
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...
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...
Uncertainty in the fate of soil organic carbon: A comparison of three conceptually different soil decomposition models
Yujie He, Jinyan Yang, Qianlai Zhuang, A. David McGuire, Qing Zhu, Yaling Liu, Robert O. Teskey
2014, Journal of Geophysical Research G: Biogeosciences (119) 1892-1905
Conventional Q10 soil organic matter decomposition models and more complex microbial models are available for making projections of future soil carbon dynamics. However, it is unclear (1) how well the conceptually different approaches can simulate observed decomposition and (2) to what extent the trajectories of long-term simulations differ when using...
Mineral resource of the month: Arsenic
George M. Bedinger
2014, Earth (September 2014)
Arsenic is a gray metal rarely encountered as a free element, but is widely distributed in minerals and ores that contain copper, iron and lead. Arsenic is often found in groundwater as a result of the natural weathering of rock and soil....
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...
If groundwater is contaminated, will water from the well be contaminated?
Sandra M. Eberts
2014, Groundwater (52) 3-7
No abstract available....
Genetic tools for wildlife management
Emily Latch, Rachel S. Crowhurst, Sara J. Oyler-McCance, Stacie Robinson
2014, The Wildlife Professional (8) 58-59
Granted interim status in November, 2013, The Wildlife Society’s (TWS) Molecular Ecology Working Group aims to promote scientific advancement by applying molecular techniques to wildlife ecology, management, and conservation. The working group—composed of sci - entists from diverse backgrounds—met for the first time in Pittsburgh at the TWS Annual Conference...
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...
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...
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...
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...
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...
Analysis of regional scale risk to whirling disease in populations of Colorado and Rio Grande cutthroat trout using Bayesian belief network model
Kimberley Kolb Ayre, Colleen A. Caldwell, Jonah Stinson, Wayne G. Landis
2014, Risk Analysis (34) 1589-1605
Introduction and spread of the parasite Myxobolus cerebralis, the causative agent of whirling disease, has contributed to the collapse of wild trout populations throughout the intermountain west. Of concern is the risk the disease may have on conservation and recovery of native cutthroat trout. We employed a Bayesian belief network to...
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...
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...
Inter-sectoral conflict and recreational fisheries of the developing world : opportunities and challenges for co-operation
Shannon D. Bower, Vivian M. Nguyen, Andy J. Danylchuk, T. Douglas Beard Jr., Steven J. Cooke
2014, Book chapter, Enhancing stewardship in small-scale fisheries: practices and perspectives
The recreational fishing sector is growing rapidly in the developing world with the potential to realize economic benefits estimated at tens of billions of dollars annually. These opportunities are accompanied by numerous ecological risks such as overfishing and habitat disturbance. To date, there has been little focus on sociological issues...
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...
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...
230Th/U ages Supporting Hanford Site‐Wide Probabilistic Seismic Hazard Analysis
James B. Paces
2014, Report
This product represents a USGS Administrative Report that discusses samples and methods used to conduct uranium-series isotope analyses and resulting ages and initial 234U/238U activity ratios of pedogenic cements developed in several different surfaces in the Hanford area middle to late Pleistocene. Samples were collected and dated to provide calibration...
