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https://www.readbyqxmd.com/read/29149059/a-high-performance-portable-transient-electro-magnetic-sensor-for-unexploded-ordnance-detection
#1
Haofeng Wang, Shudong Chen, Shuang Zhang, Zhiwen Yuan, Haiyang Zhang, Dong Fang, Jun Zhu
Portable transient electromagnetic (TEM) systems can be well adapted to various terrains, including mountainous, woodland, and other complex terrains. They are widely used for the detection of unexploded ordnance (UXO). As the core component of the portable TEM system, the sensor is constructed with a transmitting coil and a receiving coil. Based on the primary field of the transmitting coil and internal noise of the receiving coil, the design and testing of such a sensor is described in detail. Results indicate that the primary field of the transmitting coil depends on the diameter, mass, and power of the coil...
November 17, 2017: Sensors
https://www.readbyqxmd.com/read/29148888/tissue-residue-levels-after-immobilization-of-rocky-mountain-elk-cervus-elaphus-nelsoni-using-a-combination-of-nalbuphine-medetomidine-and-azaperone-antagonized-with-naltrexone-atipamezole-and-tolazoline
#2
Lisa L Wolfe, Pauline Nol, Matthew P McCollum, Travis Mays, Morgan E Wehtje, William R Lance, Mark C Fisher, Michael W Miller
Previous studies demonstrated that nalbuphine, medetomidine, and azaperone (NalMed-A) can effectively immobilize adult elk (Cervus elaphus nelsoni), and be antagonized using naltrexone and atipamezole, with or without tolazoline. To assess duration of tissue residues for this immobilization package, we immobilized 14 captive adult elk with NalMed-A, then euthanized animals and collected tissues 0, 3, 6, 14, 21, or 28 d later. Except for two animals euthanized immediately, all elk were recovered using naltrexone, atipamezole, and tolazoline...
November 17, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/29147694/emerging-investigator-series-the-effect-of-wildfire-on-streamwater-mercury-and-organic-carbon-in-a-forested-watershed-in-the-southeastern-united-states
#3
Allison M Jensen, Todd M Scanlon, Ami L Riscassi
Wildfires alter forested ecosystems, which include large stores of mercury (Hg) and organic carbon, two compounds that are closely linked in vegetation, soils, and streamwater. Studies have shown that wildfires release elevated levels of mercury to the atmosphere which can be locally redeposited and leave charred organic material (vegetation and litter) on the soil surface. Both can contribute to the elevated mobilization of Hg into lakes and streams. However, no studies have conducted a detailed examination of hydrological transport of Hg following a wildfire...
November 17, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/29146076/short-term-effects-of-prescribed-burning-on-litterfall-biomass-in-mixed-stands-of-pinus-nigra-and-pinus-pinaster-and-pure-stands-of-pinus-nigra-in-the-cuenca-mountains-central-eastern-spain
#4
J Espinosa, J Madrigal, A C De La Cruz, M Guijarro, E Jimenez, C Hernando
Fire severity, defined as the magnitude of fire effects in an ecosystem, is a key factor to consider in planning management strategies for protecting forests against fire. Although prescribed burning has been used as a fuel reduction tool in forest ecosystems, it is quite limited in the Mediterranean region. Furthermore, little is known about how tree crowns are affected by prescribed underburning aimed at reducing fire severity in conifer stands. As part of an ongoing study to assess the effects of prescribed burning on the tree canopy, litterfall is currently being monitored in a network of experimental plots located in mixed (Pinus nigra and Pinus pinaster) and pure (P...
November 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29146075/persistent-organic-pollutant-emission-via-dust-deposition-throughout-pakistan-spatial-patterns-regional-cycling-and-their-implication-for-human-health-risks
#5
Muhammad Sohail, Syed Ali Musstjab Akber Shah Eqani, Joel Podgorski, Avit Kumar Bhowmik, Adeel Mahmood, Nadeem Ali, Tara Sabo-Attwood, Habib Bokhari, Heqing Shen
In the current study, Persistent Organic Pollutants (POPs) in outdoor dustfall was monitored for the first time along the Indus river system of Pakistan. Among the studied OCPs (ng/g, dry weight), DDTs (0.16-62) were the predominant contaminants identified in deposited dust followed by HCHs (0.1-10.2), HCB (0.09-7.4) and chlordanes (0.1-2.8). The indicative diagnostic ratio for DDTs and HCHs suggested recent emission of DDTs as well as historical emission of both chemicals in regions where they were used for crop protection and malarial control...
November 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29143653/phylogenetic-study-of-the-endemic-species-oxytropis-almaatensis-fabaceae-based-on-nuclear-ribosomal-dna-its-sequences
#6
Shyryn Almerekova, Nashtay Mukhitdinov, Saule Abugalieva
BACKGROUND: Oxytropis almaatensis Bajt. is a rare, narrow endemic species of the Trans-Ili Alatau mountains in Kazakhstan. Up to now, no studies regarding the taxonomy and variation of key morphological traits of O. almaatensis were undertaken. The purpose of this analysis was to evaluate phenotypic variation of O. almaatensis and assess the position of the species within the genus based on nucleotide sequences of the nuclear ribosomal DNA internal transcribed spacer (ITS) region. RESULTS: Two populations of O...
November 14, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29143490/rock-glaciers-in-crystalline-catchments-hidden-permafrost-related-threats-to-alpine-headwater-lakes
#7
Boris P Ilyashuk, Elena A Ilyashuk, Roland Psenner, Richard Tessadri, Karin A Koinig
A global warming-induced transition from glacial to periglacial processes has been identified in mountainous regions around the world. Degrading permafrost in pristine periglacial environments can produce acid rock drainage (ARD) and cause severe ecological damage in areas underlain by sulfide-bearing bedrock. Limnological and paleolimnological approaches were used to assess and compare ARDs generated by rock glaciers, a typical landform of the mountain permafrost domain, and their effects on alpine headwater lakes with similar morphometric features and underlying bedrock geology, but characterized by different intensities of frost action in their catchments during the year...
November 15, 2017: Global Change Biology
https://www.readbyqxmd.com/read/29141880/divergent-respiratory-and-cardiovascular-responses-to-hypoxia-in-bar-headed-geese-and-andean-birds
#8
Sabine L Lague, Beverly Chua, Luis Alza, Graham R Scott, Peter B Frappell, Yang Zhong, Anthony P Farrell, Kevin G McCracken, Yuxiang Wang, William K Milsom
Many high-altitude vertebrates have evolved increased capacities in their oxygen transport cascade (ventilation, pulmonary diffusion, circulation and tissue diffusion), enhancing oxygen transfer from the atmosphere to mitochondria. However, the extent of interspecies variation in the control processes that dictate hypoxia responses remains largely unknown. We compared the metabolic, cardiovascular and respiratory responses to progressive decreases in inspired oxygen levels of bar-headed geese (Anser indicus), birds that biannually migrate across the Himalayan mountains, with those of Andean geese (Chloephaga melanoptera) and crested ducks (Lophonetta specularioides), lifelong residents of the high Andes...
November 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29141705/phenotypic-and-molecular-genetic-characteristics-of-yersinia-pestis-at-an-emerging-natural-plague-focus-junggar-basin-china
#9
Yujiang Zhang, Tao Luo, Chao Yang, Xihong Yue, Rong Guo, Xinhui Wang, Mingde Buren, Yuqin Song, Ruifu Yang, Hanli Cao, Yujun Cui, Xiang Dai
The 15th natural plague focus in China, the Junggar Basin plague focus, is located near an important communication route connecting China and Central Asia and was discovered after 2005. To characterize the phenotypic and genetic diversity of the Yersinia pestis population in this newly established focus, we collected 25 Y. pestis strains from six counties across Junggar Basin in 2005-2006, and determined their biochemical features and genotypes based on multiple-locus variable number of tandem repeats analysis and clustered regularly interspaced short palindromic repeats analysis...
October 23, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29140983/ecosystem-services-in-european-protected-areas-ambiguity-in-the-views-of-scientists-and-managers
#10
Christiaan Hummel, Antonello Provenzale, Jaap van der Meer, Sander Wijnhoven, Arno Nolte, Dimitris Poursanidis, Guyonne Janss, Matthias Jurek, Magnus Andresen, Brigitte Poulin, Johannes Kobler, Carl Beierkuhnlein, João Honrado, Arturas Razinkovas, Ana Stritih, Tessa Bargmann, Alex Ziemba, Francisco Bonet-García, Mihai Cristian Adamescu, Gerard Janssen, Herman Hummel
Protected Areas are a key component of nature conservation. They can play an important role in counterbalancing the impacts of ecosystem degradation. For an optimal protection of a Protected Area it is essential to account for the variables underlying the major Ecosystem Services an area delivers, and the threats upon them. Here we show that the perception of these important variables differs markedly between scientists and managers of Protected Areas in mountains and transitional waters. Scientists emphasise variables of abiotic and biotic nature, whereas managers highlight socio-economic, cultural and anthropogenic variables...
2017: PloS One
https://www.readbyqxmd.com/read/29139077/spatiotemporal-patterns-and-source-attribution-of-nitrogen-pollution-in-a-typical-headwater-agricultural-watershed-in-southeastern-china
#11
Wenjun Chen, Bin He, Daniel Nover, Weili Duan, Chuan Luo, Kaiyan Zhao, Wen Chen
Excessive nitrogen (N) discharge from agriculture causes widespread problems in aquatic ecosystems. Knowledge of spatiotemporal patterns and source attribution of N pollution is critical for nutrient management programs but is poorly studied in headwaters with various small water bodies and mini-point pollution sources. Taking a typical small watershed in the low mountains of Southeastern China as an example, N pollution and source attribution were studied for a multipond system around a village using the Hydrological Simulation Program-Fortran (HSPF) model...
November 14, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29137206/ancient-food-habits-dictate-that-food-can-be-medicine-but-medicine-cannot-be-food
#12
Hit Kishore Goswami, Hitendra Kumar Ram
Background: Extensive surveys of several population settlements in different parts of India-covering plains, mountains, valleys, river banks and deeper areas of forests at different altitudes-between 1968 and 2016 demonstrated that the basic vital need of hunger is being fulfilled since antiquity by plants in the wild. Methods: Based on collections, consultations with local population personnel and literature searches, this paper presents many plants that are commonly used as food and focuses on their products, which are rich in alkaloids, polysaccharides, steroids, terpenoids, flavonoids, aminoacids, fatty acids and antibiotics etc...
November 13, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/29136449/does-this-patient-have-acute-mountain-sickness-the-rational-clinical-examination-systematic-review
#13
David Meier, Tinh-Hai Collet, Isabella Locatelli, Jacques Cornuz, Bengt Kayser, David L Simel, Claudio Sartori
Importance: Acute mountain sickness (AMS) affects more than 25% of individuals ascending to 3500 m (11 500 ft) and more than 50% of those above 6000 m (19 700 ft). AMS may progress from nonspecific symptoms to life-threatening high-altitude cerebral edema in less than 1% of patients. It is not clear how to best diagnose AMS. Objective: To systematically review studies assessing the accuracy of AMS diagnostic instruments, including the visual analog scale (VAS) score, which quantifies the overall feeling of sickness at altitude (VAS[O]; various thresholds), Acute Mountain Sickness-Cerebral score (AMS-C; ≥0...
November 14, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29136446/acute-mountain-sickness
#14
Jill Jin
No abstract text is available yet for this article.
November 14, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/29135638/mountain-biking-injuries
#15
Majid Ansari, Ruhollah Nourian, Morteza Khodaee
With the increasing popularity of mountain biking, also known as off-road cycling, and the riders pushing the sport into extremes, there has been a corresponding increase in injury. Almost two thirds of acute injuries involve the upper extremities, and a similar proportion of overuse injuries affect the lower extremities. Mountain biking appears to be a high-risk sport for severe spine injuries. New trends of injury patterns are observed with popularity of mountain bike trail parks and freeride cycling. Using protective gear, improving technical proficiency, and physical fitness may somewhat decrease the risk of injuries...
November 2017: Current Sports Medicine Reports
https://www.readbyqxmd.com/read/29134747/no-sex-difference-in-digit-ratios-2d-4d-in-the-traditional-yali-of-papua-and-its-meaning-for-the-previous-hypotheses-on-the-inter-populational-variability-in-2d-4d
#16
Michalina Marczak, Michał Misiak, Agnieszka Sorokowska, Piotr Sorokowski
OBJECTIVES: The ratio between the 2nd and 4th digit (2D:4D) is considered to be a sexually dimorphic trait in humans, with males having on average lower 2D:4D values than females. However, significant inter- and intra-sexual differences in digit ratios across populations have been reported. In order to further explore factors influencing the variability of 2D:4D, we performed a study among the Yali, a traditional population from Papua. METHODS: We measured digit ratios of 79 adults (47 males) from the traditional Yali society, a polygamous group who inhabit a harsh high-mountain environment almost directly on the equator...
November 14, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/29134147/anthropogenic-water-sources-and-the-effects-on-sonoran-desert-small-mammal-communities
#17
Aaron B Switalski, Heather L Bateman
Anthropogenic water sources (AWS) are developed water sources used as a management tool for desert wildlife species. Studies documenting the effects of AWS are often focused on game species; whereas, the effects on non-target wildlife are less understood. We used live trapping techniques to investigate rodent abundance, biomass, and diversity metrics near AWS and paired control sites; we sampled vegetation to determine rodent-habitat associations in the Sauceda Mountains of the Sonoran Desert in Arizona. A total of 370 individual mammals representing three genera and eight species were captured in 4,800 trap nights from winter 2011 to spring 2012...
2017: PeerJ
https://www.readbyqxmd.com/read/29134006/cecidonius-pampeanus-gen-et-sp-n-an-overlooked-and-rare-new-gall-inducing-micromoth-associated-with-schinus-in-southern-brazil-lepidoptera-cecidosidae
#18
Gilson R P Moreira, Rodrigo P Eltz, Ramoim B Pase, Gabriela T Silva, Sérgio A L Bordignon, Wolfram Mey, Gislene L Gonçalves
Galls induced by the larval stage of cecidosids (Lepidoptera: Cecidosidae) are complex, multi-trophic systems, still poorly studied. They may be associated with other insect feeding guilds, including inquilines, kleptoparasites, cecidophages, parasitoids, and predators. By causing death of the gall inducer early in life and altering the gall phenotype, inquilines may lead to misidentification of the true gall inducers. Here, we describe through light and scanning electron microscopy Cecidonius pampeanus, a new genus and species of cecidosid moth, from the Pampa biome, south Brazil...
2017: ZooKeys
https://www.readbyqxmd.com/read/29134002/revision-of-massylaea-m%C3%A3-llendorff-1898-stylommatophora-helicidae
#19
Houria Bouaziz-Yahiatene, Beat Pfarrer, Ferroudja Medjdoub-Bensaad, Eike Neubert
In this paper some helicoid species from eastern Algeria are investigated using a morphological and molecular approach. The investigation of the genital organs of M. massylaea (Morelet, 1851), the type species of the genus Massylaea Möllendorff, 1898, showed the same autapomorphic character states as are considered typical for Eobania P. Hesse, 1913. These findings are fully supported by the genetic analysis using two mitochondrial and three nuclear markers. Thus, the latter genus has to be considered a synonym of the former...
2017: ZooKeys
https://www.readbyqxmd.com/read/29133072/treatment-of-pediatric-black-widow-spider-envenomation-a-national-poison-center-s-experience
#20
Miguel Glatstein, Gary Carbell, Dennis Scolnik, Ayelet Rimon, Christopher Hoyte
BACKGROUND: Black widow species (Latrodectus species) envenomation can produce a syndrome characterized by painful muscle rigidity and autonomic disturbances. Symptoms tend to be more severe in young children and adults. We describe black widow spider exposures and treatment in the pediatric age group, and investigate reasons for not using antivenom in severe cases. METHODS: All black widow exposures reported to the Rocky Mountain Poison Center between January 1, 2012, and December 31, 2015, were reviewed...
November 6, 2017: American Journal of Emergency Medicine
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