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https://www.readbyqxmd.com/read/28644276/an-innovative-syringe-exchange-program
#1
Carol Potera
Nevada's pilot vending machine program encourages users to enter treatment programs.
July 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28640819/the-importance-of-data-quality-for-generating-reliable-distribution-models-for-rare-elusive-and-cryptic-species
#2
Keith B Aubry, Catherine M Raley, Kevin S McKelvey
The availability of spatially referenced environmental data and species occurrence records in online databases enable practitioners to easily generate species distribution models (SDMs) for a broad array of taxa. Such databases often include occurrence records of unknown reliability, yet little information is available on the influence of data quality on SDMs generated for rare, elusive, and cryptic species that are prone to misidentification in the field. We investigated this question for the fisher (Pekania pennanti), a forest carnivore of conservation concern in the Pacific States that is often confused with the more common Pacific marten (Martes caurina)...
2017: PloS One
https://www.readbyqxmd.com/read/28635966/testing-models-of-refugial-isolation-colonization-and-population-connectivity-in-two-species-of-montane-salamanders
#3
S M Rovito, S D Schoville
Pleistocene glaciations have profoundly affected patterns of genetic diversity within many species. Temperate alpine organisms likely experienced dramatic range shifts, given that much of their habitat was glaciated during this time. While the effects of glaciations are relatively well understood, the spatial locations of refugia and processes that gave rise to current patterns of diversity are less well known. We use a microsatellite data set to test hypotheses of population connectivity and refugial isolation in the web-toed salamanders (Hydromantes) of the Sierra Nevada...
June 21, 2017: Heredity
https://www.readbyqxmd.com/read/28609464/a-multi-scale-evaluation-of-pack-stock-effects-on-subalpine-meadow-plant-communities-in-the-sierra-nevada
#4
Steven R Lee, Eric L Berlow, Steven M Ostoja, Matthew L Brooks, Alexandre Génin, John R Matchett, Stephen C Hart
We evaluated the influence of pack stock (i.e., horse and mule) use on meadow plant communities in Sequoia and Yosemite National Parks in the Sierra Nevada of California. Meadows were sampled to account for inherent variability across multiple scales by: 1) controlling for among-meadow variability by using remotely sensed hydro-climatic and geospatial data to pair stock use meadows with similar non-stock (reference) sites, 2) accounting for within-meadow variation in the local hydrology using in-situ soil moisture readings, and 3) incorporating variation in stock use intensity by sampling across the entire available gradient of pack stock use...
2017: PloS One
https://www.readbyqxmd.com/read/28600858/scale-dependent-effects-of-post-fire-canopy-cover-on-snowpack-depth-in-montane-coniferous-forests
#5
Jens T Stevens
Winter snowpack in dry montane regions provides a valuable ecosystem service by storing water into the growing season. Wildfire in coniferous montane forests has the potential to indirectly affect snowpack accumulation and ablation (mass loss) rates by reducing canopy cover, which reduces canopy interception of snow but also increases solar radiation and wind speed. These counteracting effects create uncertainty regarding the canopy conditions that maximize post-fire snowpack duration, which is of concern as montane regions across the western United States experience increasingly warm, dry winters with below-average snowpack...
June 9, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28580730/right-aortic-arch-with-situs-solitus-frequently-heralds-a-vascular-ring
#6
William N Evans, Ruben J Acherman, Michael L Ciccolo, Sergio A Carrillo, Gary A Mayman, Carlos F Luna, Robert C Rollins, William J Castillo, Alvaro Galindo, Abraham Rothman, John A Alexander, Tina W Kwan, Humberto Restrepo
OBJECTIVE: We hypothesized that a right aortic arch in situs solitus, with or without an associated cardiovascular malformation, is often associated with a vascular ring. METHODS: From those born in Southern Nevada between March 2012 and March 2017, we identified 50 (3.6 per 10,000 live births) with a right aortic arch and situs solitus. From the 50 patients, 6 did not meet inclusion criteria for further analysis. RESULTS: Of the 44 remaining, 33 (75%) had a vascular ring...
June 5, 2017: Congenital Heart Disease
https://www.readbyqxmd.com/read/28570831/recovery-of-salmonella-enterica-from-australian-layer-and-processing-environments-following-outbreaks-linked-to-eggs
#7
Cameron R M Moffatt, Jennie Musto, Nevada Pingault, Barry Combs, Megge Miller, Russell Stafford, Joy Gregory, Benjamin G Polkinghorne, Martyn D Kirk
No abstract text is available yet for this article.
June 1, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28546560/potential-decline-in-carbon-carrying-capacity-under-projected-climate-wildfire-interactions-in-the-sierra-nevada
#8
Shuang Liang, Matthew D Hurteau, Anthony LeRoy Westerling
Ecosystem carbon carrying capacity (CCC) is determined by prevailing climate and natural disturbance regimes, conditions that are projected to change significantly. The interaction of changing climate and its effects on disturbance regimes is expected to affect forest regeneration and growth, which may diminish forest carbon (C) stocks and uptake. We modeled landscape C dynamics over 590 years along the latitudinal gradient of the U.S. Sierra Nevada Mountains under climate and area burned by large wildfires projected by late 21(st) century...
May 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522093/sleep-duration-associated-with-cardiovascular-conditions-among-adult-nevadans
#9
Brianna L Pergola, Sheniz Moonie, Jennifer Pharr, Timothy Bungum, Julia L Anderson
BACKGROUND: Associations between sleep duration and cardiovascular conditions have been inconsistent. Both short and long sleep duration are associated with increased risk for diabetes, hypertension, obesity, high cholesterol, depression, and overall metabolic dysfunction; all of which are cardiovascular disease risk factors. This study aimed to determine if deficient or excessive sleep duration is associated with cardiovascular conditions. METHODS: Data were obtained from the 2013 Behavioral Risk Factor Surveillance System for the state of Nevada...
June 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28512060/characterization-and-phylogenetic-analysis-of-complete-mitochondrial-genomes-for-two-desert-cyprinodontoid-fishes-empetrichthys-latos-and-crenichthys-baileyi
#10
Miguel Jimenez, Shawn C Goodchild, Craig A Stockwell, Sean C Lema
The Pahrump poolfish (Empetrichthys latos) and White River springfish (Crenichthys baileyi) are small-bodied teleost fishes (order Cyprinodontiformes) endemic to the arid Great Basin and Mojave Desert regions of western North America. These taxa survive as small, isolated populations in remote streams and springs and evolved to tolerate extreme conditions of high temperature and low dissolved oxygen. Both species have experienced severe population declines over the last 50-60years that led to some subspecies being categorized with protected status under the U...
May 13, 2017: Gene
https://www.readbyqxmd.com/read/28482135/climate-and-landscape-drive-the-pace-and-pattern-of-conifer-encroachment-into-subalpine-meadows
#11
Kaitlin C Lubetkin, Anthony Leroy Westerling, Lara M Kueppers
Mountain meadows have high biodiversity and help regulate stream water release following the snowmelt pulse. However, many meadows are experiencing woody plant encroachment, threatening these ecosystem services. While there have been field surveys of individual meadows and remote sensing-based landscape-scale studies of encroachment, what is missing is a broad scale, ground-based study to understand common regional drivers, especially at high elevations, where land management has often played a less direct role...
May 8, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28466089/intraspecific-variation-in-the-skin-associated-microbiome-of-a-terrestrial-salamander
#12
Sofia R Prado-Irwin, Alicia K Bird, Andrew G Zink, Vance T Vredenburg
Resident microbial communities living on amphibian skin can have significant effects on host health, yet the basic ecology of the host-microbiome relationship of many amphibian taxa is poorly understood. We characterized intraspecific variation in the skin microbiome of the salamander Ensatina eschscholtzii xanthoptica, a subspecies composed of four genetically distinct populations distributed throughout the San Francisco Bay Area and the Sierra Nevada mountains in California, USA. We found that salamanders from four geographically and genetically isolated populations harbor similar skin microbial communities, which are dominated by a common core set of bacterial taxa...
May 2, 2017: Microbial Ecology
https://www.readbyqxmd.com/read/28463769/stable-hydrogen-and-oxygen-isotopes-of-tap-water-reveal-structure-of-the-san-francisco-bay-area-s-water-system-and-adjustments-during-a-major-drought
#13
Brett J Tipple, Yusuf Jameel, Thuan H Chau, Christy J Mancuso, Gabriel J Bowen, Alexis Dufour, Lesley A Chesson, James R Ehleringer
Water availability and sustainability in the Western United States is a major flashpoint among expanding communities, growing industries, and productive agricultural lands. This issue came to a head in 2015 in the State of California, when the State mandated a 25% reduction in urban water use following a multi-year drought that significantly depleted water resources. Water demands and challenges in supplying water are only expected to intensify as climate perturbations, such as the 2012-2015 California Drought, become more common...
April 21, 2017: Water Research
https://www.readbyqxmd.com/read/28460538/timely-reminder-interventions-to-improve-annual-papanicolaou-pap-smear-rates-among-hiv-infected-women-in-an-outpatient-center-of-southern-nevada-a-short-report
#14
Vimala Ganta, Sheniz Moonie, Dina Patel, Aaron T Hunt, Jan Richardson, David Di John, Echezona E Ezeanolue
Current guidelines recommend annual Papanicolaou (Pap) smears for human immunodeficiency virus (HIV)-infected women for cervical cancer screening. Rates for such screening in Nevada are below the national rate. Our cohort includes 485 eligible HIV-infected adult women from an outpatient center in Southern Nevada of which only 12 women had obtained a Pap smear in the past year. An intervention was conducted from June 2015 to September 2015, in which reminders to schedule a Pap smear were sent to the remaining cohort of 473 women via sequential text messaging, followed by phone call attempts...
May 2, 2017: AIDS Care
https://www.readbyqxmd.com/read/28448778/economic-impact-of-above-label-dosing-with-etanercept-adalimumab-or-ustekinumab-in-patients-with-psoriasis
#15
Steven R Feldman, Yang Zhao, Huanxue Zhou, Vivian Herrera, Haijun Tian, Yunfeng Li
BACKGROUND: Patients with moderate-to-severe psoriasis may be treated with above-label doses of biologics in an attempt to optimize outcomes. Dose escalation will have an effect on the cost of treatment. OBJECTIVE: To examine costs related to above-label use of etanercept, adalimumab, and ustekinumab among patients with moderate-to-severe psoriasis. METHODS: A retrospective study was performed using a large U.S. claims database. Patients were included in the study if they were aged ≥ 18 years with a diagnosis of psoriasis (excluding psoriatic arthritis) and had at least 1 medication fill for etanercept, adalimumab, or ustekinumab between January 1, 2011, and June 30, 2012...
May 2017: Journal of Managed Care & Specialty Pharmacy
https://www.readbyqxmd.com/read/28427553/familial-pulmonary-fibrosis-clinical-and-radiological-characteristics-and-progression-analysis-in-different-high-resolution-ct-patterns
#16
David Bennett, Maria Antonietta Mazzei, Nevada Cioffi Squitieri, Elena Bargagli, Rosa Metella Refini, Antonella Fossi, Luca Volterrani, Paola Rottoli
BACKGROUND: Familial pulmonary fibrosis (FPF) is defined as an idiopathic diffuse parenchymal lung disease affecting two or more members of the same primary biological family. The aim of the present study was to contribute to the clinical, functional and radiological characterisation of FPF with particular regards to disease progression and survival. METHODS: Baseline clinical, functional and radiological data of a FPF population (n = 46 patients) were retrospectively collected and analysed according to the 2011 IPF guidelines HRCT classification...
May 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28419978/dissolved-oxygen-stream-temperature-and-fish-habitat-response-to-environmental-water-purchases
#17
Sarah E Null, Nathaniel R Mouzon, Logan R Elmore
Environmental water purchases are increasingly used for ecological protection. In Nevada's Walker Basin (western USA), environmental water purchases augment streamflow in the Walker River and increase lake elevation of terminal Walker Lake. However, water quality impairments like elevated stream temperatures and low dissolved oxygen concentrations also limit ecosystems and species, including federally-threatened Lahontan cutthroat trout. In this paper, we prioritize water volumes and locations that most enhance water quality for riverine habitat from potential environmental water rights purchases...
April 15, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28419257/rodent-pika-parasite-spillover-in-western-north-america
#18
Patrick Foley, Tara Roth, Janet Foley, Chris Ray
Competition during the Cenozoic expansion of the Rodentia may have contributed to ecological niche reduction of pikas, which are now increasingly under threat as their habitat degrades under global climate change, while some rodents expand their ranges and overlap with pikas. Range overlap carries the possibility of disease spillover. Contemporary North American pikas are cold-adapted and relegated primarily to alpine environments where they subsist on relatively low-quality herbaceous diet. Yet their evolutionary ancestors were distributed geographically even into the subtropics...
April 15, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28413848/impact-of-data-model-and-point-density-on-aboveground-forest-biomass-estimation-from-airborne-lidar
#19
Mariano Garcia, Sassan Saatchi, Antonio Ferraz, Carlos Alberto Silva, Susan Ustin, Alexander Koltunov, Heiko Balzter
BACKGROUND: Accurate estimation of aboveground forest biomass (AGB) and its dynamics is of paramount importance in understanding the role of forest in the carbon cycle and the effective implementation of climate change mitigation policies. LiDAR is currently the most accurate technology for AGB estimation. LiDAR metrics can be derived from the 3D point cloud (echo-based) or from the canopy height model (CHM). Different sensors and survey configurations can affect the metrics derived from the LiDAR data...
December 2017: Carbon Balance and Management
https://www.readbyqxmd.com/read/28412454/new-insights-into-the-toxicity-of-mineral-fibres-a-combined-in-situ-synchrotron-%C3%AE-xrd-and-hr-tem-study-of-chrysotile-crocidolite-and-erionite-fibres-found-in-the-tissues-of-sprague-dawley-rats
#20
Alessandro F Gualtieri, Nicola Bursi Gandolfi, Simone Pollastri, Manfred Burghammer, Eva Tibaldi, Fiorella Belpoggi, Kilian Pollok, Falko Langenhorst, Ruggero Vigliaturo, Goran Dražić
Along the line of the recent research topic aimed at understanding the in vivo activity of mineral fibres and their mechanisms of toxicity, this work describes the morpho-chemical characteristics of the mineral fibres found in the tissues of Sprague-Dawley rats subjected to intraperitoneal/intrapleural injection of UICC chrysotile, UICC crocidolite and erionite-Na from Nevada (USA). The fibres are studied with in situ synchrotron powder diffraction and high resolution transmission electron microscopy to improve our understanding of the mechanisms of toxicity of these mineral fibres...
April 12, 2017: Toxicology Letters
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