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https://www.readbyqxmd.com/read/28823069/current-status-of-cattle-production-system-in-nyagatare-district-rwanda
#1
Eugene Mazimpaka, Francis Mbuza, Tukei Michael, Eugene N Gatari, E M Bukenya, Okwee-Acai James
A study was conducted to characterize the cattle production systems in Nyagatare District, Eastern Province of Rwanda using pre-tested questionnaires, interviews with key informants as well as focus group discussions in a period of 2 months. The respondents were selected by multi-stage sampling at sector and cell levels. Based on the procedure of Krejcie and Morgan (Educational and Psychological Measurement 30:607-610, 1970) to determine the overall sample size, the result indicated that the majority (98.3%) of farms were privately owned by large families of five to seven members, and most farmers (53...
August 19, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28822939/short-term-effects-of-spring-prescribed-burning-on-the-understory-vegetation-of-a-pinushalepensis-forest-in-northeastern-spain
#2
Laura Fuentes, Beatriz Duguy, Daniel Nadal-Sala
Since the 1970s, fire regimes have been modified in the Northern Mediterranean region due to profound landscape changes mostly driven by socioeconomic factors, such as rural abandonment and large-scale plantations. Both fuel accumulation and the increasing vegetation spatial continuity, combined with the expansion of the wildland-urban interface, have enhanced fire risk and the occurrence of large wildfires. This situation will likely worsen under the projected aridity increase resulting from climate change...
August 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822924/local-and-landscape-scale-land-cover-affects-microclimate-and-water-use-in-urban-gardens
#3
Brenda B Lin, Monika H Egerer, Heidi Liere, Shalene Jha, Peter Bichier, Stacy M Philpott
Urban gardens in Central California are highly vulnerable to the effects of climate change, experiencing both extended high heat periods as well as water restrictions because of severe drought conditions. This puts these critical community-based food production systems at risk as California is expected to experience increasing weather extremes. In agricultural systems, increased vegetation complexity, such as greater structure or biodiversity, can increase the resilience of food production systems from climate fluctuations...
August 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822919/neighborhood-environment-walkability-and-health-related-quality-of-life-among-older-adults-in-hong-kong
#4
Yanan Zhao, Pak-Kwong Chung
This study examined the associations between walkability related environmental attributes (WREA) and health-related quality of life (HRQoL) among older adults in Hong Kong. A cross-sectional study was conducted among 340 participants (women = 233; mean age = 74.4 years) living in urban communities. Independent variables included residential density, land use mix-diversity, land use mix-access, street connectivity, infrastructure for walking, aesthetics, traffic hazards, crime, access to parking, lack of cul-de-sacs, hilliness, and physical barriers...
August 10, 2017: Archives of Gerontology and Geriatrics
https://www.readbyqxmd.com/read/28822493/interactions-between-bee-foraging-and-floral-resource-phenology-shape-bee-populations-and-communities
#5
REVIEW
Jane E Ogilvie, Jessica Rk Forrest
Flowers are ephemeral, yet bees rely on them for food throughout their lives. Floral resource phenology - which can be altered by changes in climate and land-use - is therefore key to bee fitness and community composition. Here, we discuss the interactions between floral resource phenology, bee foraging behaviour, and traits such as diet breadth, sociality, and body size. Recent research on bumble bees has examined behavioural responses to local floral turnover and effects of landscape-scale floral resource phenology on fitness, abundance, and foraging distances...
June 2017: Current Opinion in Insect Science
https://www.readbyqxmd.com/read/28822203/the-first-report-of-aelurostrongylus-falciformis-schlegel-1933-nematoda-metastrongyloidea-in-badger-meles-meles-in-poland
#6
Aleksander W Demiaszkiewicz, Katarzyna J Filip, Anna M Pyziel
Aelurostrongylus falciformis belongs to the superfamily of Metastrongyloidea. This nematode occurs in European badgers and locates in lungs, in respiratory tract. Numerous species of land snails are intermediate hosts of the parasite. In 2015, parasitological necropsy of 9 badgers, shot in the Forest District Głęboki Bród in Augustowska Primeval Forest, was performed. Two examined animals were infected with nematodes A. falciformis. In the lungs of each badger two specimens of nematodes were detected (male and female)...
2017: Annals of Parasitology
https://www.readbyqxmd.com/read/28821937/natural-hazard-susceptibility-assessment-for-road-planning-using-spatial-multi-criteria-analysis
#7
Caroline S J Karlsson, Zahra Kalantari, Ulla Mörtberg, Bo Olofsson, Steve W Lyon
Inadequate infrastructural networks can be detrimental to society if transport between locations becomes hindered or delayed, especially due to natural hazards which are difficult to control. Thus determining natural hazard susceptible areas and incorporating them in the initial planning process, may reduce infrastructural damages in the long run. The objective of this study was to evaluate the usefulness of expert judgments for assessing natural hazard susceptibility through a spatial multi-criteria analysis approach using hydrological, geological, and land use factors...
August 18, 2017: Environmental Management
https://www.readbyqxmd.com/read/28821866/detection-of-magnetized-quark-nuggets-a-candidate-for-dark-matter
#8
J Pace VanDevender, Aaron P VanDevender, T Sloan, Criss Swaim, Peter Wilson, Robert G Schmitt, Rinat Zakirov, Josh Blum, James L Cross, Niall McGinley
Quark nuggets are theoretical objects composed of approximately equal numbers of up, down, and strange quarks and are also called strangelets and nuclearites. They have been proposed as a candidate for dark matter, which constitutes ~85% of the universe's mass and which has been a mystery for decades. Previous efforts to detect quark nuggets assumed that the nuclear-density core interacts directly with the surrounding matter so the stopping power is minimal. Tatsumi found that quark nuggets could well exist as a ferromagnetic liquid with a ~10(12)-T magnetic field...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821811/effect-of-the-land-area-elevation-on-the-collective-choice-in-ants
#9
Olivier Bles, Nathanaël Lozet, Jean-Christophe de Biseau, Alexandre Campo, Jean-Louis Deneubourg
Collective decisions regarding food source exploitation in social insects are influenced by a range of parameters, from source quality to individual preference and social information sharing. Those regarding the elevation of the physical trail towards a food source have been neglected. In this work, we investigated the effect of ascending and descending paths from the nest to a food source on collective choice in two ant species Lasius niger and Myrmica rubra. Our hypothesis that returning loaded with food from the high source is more energy efficient was validated by choice experiments: when the sources are simultaneously introduced the high food source is preferentially exploited by both species...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821759/inconsistent-estimates-of-forest-cover-change-in-china-between-2000-and-2013-from-multiple-datasets-differences-in-parameters-spatial-resolution-and-definitions
#10
Yan Li, Damien Sulla-Menashe, Safa Motesharrei, Xiao-Peng Song, Eugenia Kalnay, Qing Ying, Shuangcheng Li, Zongwen Ma
The Chinese National Forest Inventory (NFI) has reported increased forest coverage in China since 2000, however, the new satellite-based dataset Global Forest Change (GFC) finds decreased forest coverage. In this study, four satellite datasets are used to investigate this discrepancy in forest cover change estimates in China between 2000 and 2013: forest cover change estimated from MODIS Normalized Burn Ratio (NBR), existing MODIS Land Cover (LC) and Vegetation Continuous Fields (VCF) products, and the Landsat-based GFC...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821629/effects-of-spaceflight-on-the-muscles-of-the-murine-shoulder
#11
Hua Shen, Chanteak Lim, Andrea G Schwartz, Alexander Andreev-Andrievskiy, Alix C Deymier, Stavros Thomopoulos
Mechanical loading is necessary for the development and maintenance of the musculoskeletal system. Removal of loading via microgravity, paralysis, or bed rest leads to rapid loss of muscle mass and function; however, the molecular mechanisms that lead to these changes are largely unknown, particularly for the spaceflight (SF) microgravity environment. Furthermore, few studies have explored these effects on the shoulder, a dynamically stabilized joint with a large range of motion; therefore, we examined the effects of microgravity on mouse shoulder muscles for the 15-d Space Transportation System (STS)-131, 13-d STS-135, and 30-d Bion-M1 missions...
August 17, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28821002/modeling-the-fate-and-transport-of-17%C3%AE-estradiol-in-the-south-river-watershed-in-virginia
#12
Xiaomin Zhao, Wu-Seng Lung
Hormones excreted by livestock metabolisms often enter surface water through feces and urine and can potentially cause adverse impacts to aquatic biota. This study involved a modeling analysis of 17β-estradiol (E2), a prevalent estrogen, in the South River watershed located in Augusta County, Virginia from 2013 to 2015. Cattle manure, poultry litter, biosolids, septic systems, and wastewater treatment plants (WWTPs) were considered as sources of E2 in this study. The EPA's BASINS modeling framework was configured to track the fate and transport of E2...
August 13, 2017: Chemosphere
https://www.readbyqxmd.com/read/28820836/the-surgeon-s-fist-with-the-thumb-up-to-guide-the-design-and-inset-of-the-osteoseptocutaneous-fibula-flap-in-mandibular-reconstruction
#13
Nidal F Al Deek, Chung-Kan Tsao, Fu-Chan Wei
Successful reconstruction of the oromandibular defect with the osteoseptocutaneous fibula flap necessitates flawless design and inset, an experience-demanding endeavor. Laterality of the fibula flap has been thought to pose a certain challenge to the reconstruction. To address this concern and guide flap design and inset, the authors propsed using the surgeon's fist with the thumb up to replicate key anatomic land marks of the fibula flap: the peroneal vessels and proximal bone end, the posterior crural septum including the septal vessels, the skin, and the lateral surface of the fibula bone...
August 8, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28820716/evaluation-of-community-directed-operation-of-black-fly-traps-for-entomological-surveillance-of-onchocerca-volvulus-transmission-in-the-madi-mid-north-focus-of-onchocerciasis-in-northern-uganda
#14
Denis Loum, Charles R Katholi, Thomson Lakwo, Peace Habomugisha, Edridah M Tukahebwa, Thomas R Unnasch
Entomological measures of transmission are important metrics specified by the World Health Organization to document the suppression and interruption of transmission of Onchocerca volvulus, the causative agent of onchocerciasis. These metrics require testing of large numbers of vector black flies. Black fly collection has relied on human landing collections, which are inefficient and potentially hazardous. As the focus of the international community has shifted from onchocerciasis control to elimination, replacement of human landing collections has become a priority...
July 31, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820672/association-of-religion-and-cultural-tradition-with-alcohol-use-among-some-tribal-communities-of-arunachal-pradesh-india
#15
Himanshu K Chaturvedi, Ram C Bajpai, Preeti Tiwari
Arunachal Pradesh, a land of high mountains and dense forest, is home to many tribal communities, which comprise two thirds of the state's population. Alcohol is one of the common addictive substances used traditionally among them despite much awareness about its harmful effect on health. The present study is focused on finding the association of religion, ethnicity, and demographic characteristics with alcohol use among some tribal communities in Changlang district of Arunachal Pradesh. A cross-sectional household survey was conducted on substance use in Changlang district of Arunachal Pradesh, India...
August 18, 2017: Journal of Ethnicity in Substance Abuse
https://www.readbyqxmd.com/read/28819610/a-rare-case-of-massive-rotator-cuff-tear-and-biceps-tendon-rupture-with-posterior-shoulder-dislocation-in-a-young-adult-surgical-decision-making-and-outcome
#16
En Loong Soon, Hamid Rahmatullah Bin Abd Razak, Andrew Hwee Chye Tan
INTRODUCTION: Massive rotator cuff tears (RCTs) in the context of shoulder dislocations are relatively uncommon in the young adult (<40 years) and if reported are more commonly described in association with acute traumatic anterior glenohumeral dislocations. They have rarely been described with posterior dislocations, regardless of patient age. This is the 1(st) case reported in the context of posterior dislocations, where a triad of biceps tendon rupture, posterior dislocation, and RCTs was observed during surgery...
March 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28819173/disentangling-the-coupling-between-sea-ice-and-tundra-productivity-in-svalbard
#17
Marc Macias-Fauria, Stein Rune Karlsen, Bruce C Forbes
The rapid decline in Arctic sea ice poses urgent questions concerning its ecological effects, such as on tundra terrestrial productivity. However, reported sea ice/terrestrial productivity linkages have seldom been constrained, and the mechanism governing them remains elusive, with a diversity of spatial scales and metrics proposed, at times in contradiction to each other. In this study, we use spatially explicit remotely sensed sea ice concentration and high-resolution terrestrial productivity estimates (Normalised Difference Vegetation Index, NDVI) across the Svalbard Archipelago to describe local/sub-regional and large-scale components of sea ice/terrestrial productivity coupling...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818697/kinematic-differences-during-a-jump-cut-maneuver-between-individuals-with-and-without-a-concussion-history
#18
Andrew Lapointe, Luis Nolasco, Aniela Sosnowski, Eva Andrews, Douglas N Martini, Riann M Palmieri-Smith, Deanna H Gates, Steven P Broglio
Recent evidence suggests that athletes are at a higher risk of lower-body injuries in the months and years following a concussion. However, little is known about how people modify their movements post-concussion. This study examined kinematics during a jump cut motion in young adults with a concussion history (n=9; 4 males, 5 females; 3.1years' post-injury) and 10 controls (6 males, 4 females). Peak center of mass and peak knee angles during the landing phase of a jump-cut maneuver were evaluated. Participants with a concussion history demonstrated decreased knee varus (left: Mconc=-0...
August 14, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28818660/environmental-effects-are-stronger-than-human-effects-on-mammalian-predator-prey-relationships-in-arid-australian-ecosystems
#19
Benjamin L Allen, Alana Fawcett, Alison Anker, Richard M Engeman, Allan Lisle, Luke K-P Leung
Climate (drought, rainfall), geology (habitat availability), land use change (provision of artificial waterpoints, introduction of livestock), invasive species (competition, predation), and direct human intervention (lethal control of top-predators) have each been identified as processes driving the sustainability of threatened fauna populations. We used a systematic combination of empirical observational studies and experimental manipulations to comprehensively evaluate the effects of these process on a model endangered rodent, dusky hopping-mice (Notomys fuscus)...
August 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28818295/total-endovascular-treatment-for-extent-type-1-and-5-thoracoabdominal-aortic-aneurysms
#20
Gabriele Piffaretti, Federico Fontana, Marco Franchin, Alessandro Bacuzzi, Walter Dorigo, Patrizio Castelli, Matteo Tozzi
OBJECTIVE: The study objective was to describe the results of thoracic endovascular aortic repair with the intentional coverage of the celiac artery and distal supramesenteric landing zone for extent type 1 and type 5 thoracoabdominal aortic aneurysms. METHODS: Inclusion criteria were thoracic endovascular aortic repair with celiac artery coverage to treat elective or urgent extent type 1 and 5 thoracoabdominal aortic aneurysms. Primary end points were in-hospital and follow-up survival, freedom from aortic-related mortality, and freedom from reintervention...
July 22, 2017: Journal of Thoracic and Cardiovascular Surgery
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