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https://www.readbyqxmd.com/read/28106763/development-of-a-gnss-buoy-for-monitoring-water-surface-elevations-in-estuaries-and-coastal-areas
#1
Yen-Pin Lin, Ching-Jer Huang, Sheng-Hsueh Chen, Dong-Jiing Doong, Chia Chuen Kao
In this work, a Global Navigation Satellite System (GNSS) buoy that utilizes a Virtual Base Station (VBS) combined with the Real-Time Kinematic (RTK) positioning technology was developed to monitor water surface elevations in estuaries and coastal areas. The GNSS buoy includes a buoy hull, a RTK GNSS receiver, data-transmission devices, a data logger, and General Purpose Radio Service (GPRS) modems for transmitting data to the desired land locations. Laboratory and field tests were conducted to test the capability of the buoy and verify the accuracy of the monitored water surface elevations...
January 18, 2017: Sensors
https://www.readbyqxmd.com/read/28094028/annual-10-month-aerial-life-phase-in-the-common-swift-apus-apus
#2
Anders Hedenström, Gabriel Norevik, Kajsa Warfvinge, Arne Andersson, Johan Bäckman, Susanne Åkesson
The common swift (Apus apus) is adapted to an aerial lifestyle, where food and nest material are captured in the air. Observations have prompted scientists to hypothesize that swifts stay airborne for their entire non-breeding period [1, 2], including migration into sub-Saharan Africa [3-5]. It is mainly juvenile common swifts that occasionally roost in trees or buildings before autumn migration when weather is bad [1, 6]. In contrast, the North American chimney swift (Chaetura pelagica) and Vaux's swift (C...
November 21, 2016: Current Biology: CB
https://www.readbyqxmd.com/read/28088413/short-communication-associations-between-feed-push-up-frequency-feeding-and-lying-behavior-and-milk-yield-and-composition-of-dairy-cows
#3
E K Miller-Cushon, T J DeVries
Feeding management factors have great potential to influence activity patterns and feeding behavior of dairy cows, which may have implications for performance. The objectives of this study were to assess the effects of feed push-up frequency on the behavioral patterns of dairy cows, and to determine associations between behavior and milk yield and composition. Lactating Holstein dairy cows (n = 28, parity = 1.9 ± 1.1; mean ± SD) were housed in tiestalls, milked twice per day, and offered ad libitum access to water and a total mixed ration (containing, on a dry matter basis: 25% corn silage, 25% grass/alfalfa haylage, 30% high-moisture corn, and 20% protein/mineral supplement), provided twice per day...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28070292/a-fundamental-study-revisited-quantitative-evidence-for-territory-quality-in-oystercatchers-haematopus-ostralegus-using-gps-data-loggers
#4
Philipp Schwemmer, Stefan Weiel, Stefan Garthe
A fundamental study by Ens et al. (1992, Journal of Animal Ecology, 61, 703) developed the concept of two different nest-territory qualities in Eurasian oystercatchers (Haematopus ostralegus, L.), resulting in different reproductive successes. "Resident" oystercatchers use breeding territories close to the high-tide line and occupy adjacent foraging territories on mudflats. "Leapfrog" oystercatchers breed further away from their foraging territories. In accordance with this concept, we hypothesized that both foraging trip duration and trip distance from the high-tide line to the foraging territory would be linearly related to distance between the nest site and the high tide line...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28069391/wireless-electrophysiology-of-the-brain-of-freely-swimming-goldfish
#5
Ehud Vinepinsky, Opher Donchin, Ronen Segev
BACKGROUND: Fish are a diverse group of vertebrates with very different brain structures. The study of the neurobiology of fish can thus lead to many important insights on information processing in the brain in a variety of environments. NEW METHOD: We developed a novel wireless technique to record extracellular neural signal activity in freely behaving fish. The system is based on a data logger and enables continues recording of up to 2.5hours. RESULTS: For proof of concept we recorded from the optic tectum of goldfish...
January 6, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28054829/patterns-of-community-participation-across-the-seasons-a-year-long-case-study-of-three-canadian-wheelchair-users
#6
Jacquie Ripat, Jaimie F Borisoff, Lea E Grant, Franco H N Chan
PURPOSE: The aim of this study was to explore the patterns of wheelchair users' community participation across a one-year period, including periods with substantial differences in weather conditions. We sought to develop a detailed understanding of the patterns of, and influences on, wheelchair use and participation within wheelchair users' own communities. METHOD: We conducted an instrumental case study of three purposefully selected individuals who use a wheelchair...
January 5, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28052122/pair-housing-of-dairy-calves-and-age-at-pairing-effects-on-weaning-stress-health-production-and-social-networks
#7
Sarah L Bolt, Natasha K Boyland, David T Mlynski, Richard James, Darren P Croft
The early social environment can influence the health and behaviour of animals, with effects lasting into adulthood. In Europe, around 60% of dairy calves are reared individually during their first eight weeks of life, while others may be housed in pairs or small groups. This study assessed the effects of varying degrees of social contact on weaning stress, health and production during pen rearing, and on the social networks that calves later formed when grouped. Forty female Holstein-Friesian calves were allocated to one of three treatments: individually housed (I, n = 8), pair-housed from day five (P5, n = 8 pairs), and pair-housed from day 28 (P28, n = 8 pairs)...
2017: PloS One
https://www.readbyqxmd.com/read/28041723/muddy-conditions-reduce-hygiene-and-lying-time-in-dairy-cattle-and-increase-time-spent-on-concrete
#8
Jennifer M Chen, Carolyn L Stull, David N Ledgerwood, Cassandra B Tucker
Dairy cattle spend less time lying and show signs of increased stress when housed in rainy and windy conditions, but no work has separated the effects of exposure to inclement weather from muddy conditions underfoot. Our objective was to evaluate the effects of muddy conditions alone on lying behavior, hygiene, and physiological responses. We housed pairs of pregnant, nonlactating dairy cattle (n = 12; 6 primigravid heifers, 6 multiparous cows) in enclosed pens with dirt floors and a concrete feed apron. Cattle were exposed to 3 levels of soil moisture: 90 (dry), 74 (muddy), or 67% (very muddy) dry matter for 5 d each in a replicated 3 × 3 Latin square design...
December 29, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/28040966/design-of-an-accurate-wireless-data-logger-for-vibration-analysis-with-android-interface
#9
J R Blanco, J Menéndez, F J Ferrero, J C Campo, M Valledor
In this work a new accurate wireless data logger using the Android interface was developed to monitor vibrations at low-cost. The new data logger is completely autonomous and extremely reduced in size. This instrument enables data collection wirelessly and the ability to display it on any tablet or smartphone with operating system Android. The prototype allows the monitoring of any industrial system with minimal investment in material and installation costs. The data logger is capable of making 12.8 kSPS enough to sample up to 5 kHz signals...
December 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/28035109/diversity-of-breeding-habitats-of-anophelines-diptera-culicidae-in-ramgarh-district-jharkhand-india
#10
Siddharth Pandey, M K Das, Ramesh C Dhiman
BACKGROUND & OBJECTIVES: The Ramgarh district of Jharkhand state, India is highly malarious owing to abundance of different malaria vector species, namely Anopheles culicifacies, An. fluviatilis and An. annularis. In spite of high prevalence of malaria vectors in Ramgarh, their larval ecology and climatic conditions affecting malaria dynamics have never been studied. Therefore, the objective of this study was to identify the diversity of potential breeding habitats and breeding preferences of anopheline vectors in the Ramgarh district...
October 2016: Journal of Vector Borne Diseases
https://www.readbyqxmd.com/read/28010807/relationships-between-ambient-conditions-thermal-status-and-feed-intake-of-cattle-during-summer-heat-stress-with-access-to-shade
#11
A K Curtis, B Scharf, P A Eichen, D E Spiers
Heat stress in feedlot cattle is known to reduce their performance. The challenge comes in determining reliable predictors of current and near-future changes in thermal status and performance. A 42-d study, using crossbred (Bos taurus) steers was conducted during summer months (July through August) to identify best environmental determinants of rumen temperature (Trumen) and feed intake (FI) in feedlot cattle with access to shade. A further goal was to define the relationship between Trumen and FI. Shade coverage was approximately 50%, and all animals were provided standard feedlot diets and water ad libitum...
January 2017: Journal of Thermal Biology
https://www.readbyqxmd.com/read/27988131/effects-of-milking-stall-dimensions-on-behavior-of-dairy-cows-during-milking-in-different-milking-parlor-types
#12
Y Gómez, M Terranova, M Zähner, E Hillmann, P Savary
Dairy cow body size has increased over time because of breeding selection for higher milk yield, but milking stall dimensions have never been adjusted and are based on the practical experience of milking-machine manufacturers and advisory institutions. Narrow, limited milking stall dimensions might lead to behavioral changes during milking due to lack of comfort. The aim of this study was to examine the current space allowance in milking stalls on dairy farms and assess the effect of space allowance on cow behavior during milking...
December 14, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/27940072/optimising-crime-scene-temperature-collection-for-forensic-entomology-casework
#13
Ines M J Hofer, Andrew J Hart, Daniel Martín-Vega, Martin J R Hall
The value of minimum post-mortem interval (minPMI) estimations in suspicious death investigations from insect evidence using temperature modelling is indisputable. In order to investigate the reliability of the collected temperature data used for modelling minPMI, it is necessary to study the effects of data logger location on the accuracy and precision of measurements. Digital data logging devices are the most commonly used temperature measuring devices in forensic entomology, however, the relationship between ambient temperatures (measured by loggers) and body temperatures has been little studied...
November 17, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27931926/evaluating-wildlife-cattle-contact-rates-to-improve-the-understanding-of-dynamics-of-bovine-tuberculosis-transmission-in-michigan-usa
#14
Michael J Lavelle, Shannon L Kay, Kim M Pepin, Daniel A Grear, Henry Campa, Kurt C VerCauteren
Direct and indirect contacts among individuals drive transmission of infectious disease. When multiple interacting species are susceptible to the same pathogen, risk assessment must include all potential host species. Bovine tuberculosis (bTB) is an example of a disease that can be transmitted among several wildlife species and to cattle, although the potential role of several wildlife species in spillback to cattle remains unclear. To better understand the complex network of contacts and factors driving disease transmission, we fitted proximity logger collars to beef and dairy cattle (n=37), white-tailed deer (Odocoileus virginianus; n=29), raccoon (Procyon lotor; n=53), and Virginia opossum (Didelphis virginiana; n=79) for 16 months in Michigan's Lower Peninsula, USA...
December 1, 2016: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/27927029/measuring-wearing-time-of-knee-ankle-foot-orthoses-in-children-with-cerebral-palsy-comparison-of-parent-report-and-objective-measurement
#15
Josina C Maas, Annet J Dallmeijer, Bodil Y Oudshoorn, Eline A M Bolster, Peter A Huijing, Richard T Jaspers, Jules G Becher
: Purpose state: Orthotic wearing time may be an important confounder in efficacy studies of treatment in children with spastic cerebral palsy (SCP). Most studies measure parent-reported wearing time (WTparent) with questionnaires, but it is questionable whether this yields valid results. This study aims to compare WTparent with objectively measured wearing time (WTobj) in children with SCP receiving orthotic treatment. METHOD: Eight children with SCP participated in this observational study...
December 7, 2016: Disability and Rehabilitation
https://www.readbyqxmd.com/read/27911393/a-detailed-protocol-for-perspiration-monitoring-using-a-novel-small-wireless-device
#16
Kazuhiro Ogai, Masakazu Fukuoka, Kei-Ichiro Kitamura, Kiyoshi Uchide, Tetsu Nemoto
Perspiration monitoring can be utilized for the detection of certain diseases, such as thermoregulation and mental disorders, particularly when the patients are unaware of such disorders or are having difficulty expressing their symptoms. Until now, several devices for perspiration monitoring have been developed; however, such devices tend to have a relatively large exterior, considerable power consumption, and/or less sensitivity. Recently, we developed a small, wireless device for perspiration monitoring...
November 24, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27891228/a-probabilistic-algorithm-to-process-geolocation-data
#17
Benjamin Merkel, Richard A Phillips, Sébastien Descamps, Nigel G Yoccoz, Børge Moe, Hallvard Strøm
BACKGROUND: The use of light level loggers (geolocators) to understand movements and distributions in terrestrial and marine vertebrates, particularly during the non-breeding period, has increased dramatically in recent years. However, inferring positions from light data is not straightforward, often relies on assumptions that are difficult to test, or includes an element of subjectivity. RESULTS: We present an intuitive framework to compute locations from twilight events collected by geolocators from different manufacturers...
2016: Movement Ecology
https://www.readbyqxmd.com/read/27876884/movement-of-feeder-using-songbirds-the-influence-of-urban-features
#18
Daniel T C Cox, Richard Inger, Steven Hancock, Karen Anderson, Kevin J Gaston
Private gardens provide vital opportunities for people to interact with nature. The most popular form of interaction is through garden bird feeding. Understanding how landscape features and seasons determine patterns of movement of feeder-using songbirds is key to maximising the well-being benefits they provide. To determine these patterns we established three networks of automated data loggers along a gradient of greenspace fragmentation. Over a 12-month period we tracked 452 tagged blue tits Cyantistes caeruleus and great tits Parus major moving between feeder pairs 9,848 times, to address two questions: (i) Do urban features within different forms, and season, influence structural (presence-absence of connections between feeders by birds) and functional (frequency of these connections) connectivity? (ii) Are there general patterns of structural and functional connectivity across forms? Vegetation cover increased connectivity in all three networks, whereas the presence of road gaps negatively affected functional but not structural connectivity...
November 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27876841/accuracy-of-pulse-interval-timing-in-ambulatory-blood-pressure-measurement
#19
Sarah A Kane, James R Blake, Frank J McArdle, Philip Langley, Andrew J Sims
Blood pressure (BP) monitors rely on pulse detection. Some blood pressure monitors use pulse timings to analyse pulse interval variability for arrhythmia screening, but this assumes that the pulse interval timings detected from BP cuffs are accurate compared with RR intervals derived from ECG. In this study we compared the accuracy of pulse intervals detected using an ambulatory blood pressure monitor (ABPM) with single lead ECG. Twenty participants wore an ABPM for three hours and a data logger which synchronously measured cuff pressure and ECG...
November 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27846371/data-logger-technologies-for-manual-wheelchairs-a-scoping-review
#20
François Routhier, Josiane Lettre, William C Miller, Jaimie F Borisoff, Kate Keetch, Ian M Mitchell, CanWheel Research Team
In recent years, studies have increasingly employed data logger technologies to record objective driving and physiological characteristics of manual wheelchair users. However, the technologies used offer significant differences in characteristics such as measured outcomes, ease of use and level of burden. In order to identify and describe the extent of published research activity that relies on data logger technologies for manual wheelchair users, we performed a scoping review of the scientific and grey literature...
November 15, 2016: Assistive Technology: the Official Journal of RESNA
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