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https://www.readbyqxmd.com/read/29136657/contrasts-in-the-marine-ecosystem-of-two-macaronesian-islands-a-comparison-between-the-remote-selvagens-reserve-and-madeira-island
#1
Alan M Friedlander, Enric Ballesteros, Sabrina Clemente, Emanuel J Gonçalves, Andrew Estep, Paul Rose, Enric Sala
The islands of Madeira and Selvagens are less than 300 km apart but offer a clear contrast between a densely populated and highly developed island (Madeira), and a largely uninhabited and remote archipelago (Selvagens) within Macaronesia in the eastern Atlantic. The Madeira Archipelago has ~260,000 inhabitants and receives over six million visitor days annually. The Selvagens Islands Reserve is one of the oldest nature reserves in Portugal and comprises two islands and several islets, including the surrounding shelf to a depth of 200 m...
2017: PloS One
https://www.readbyqxmd.com/read/29132921/empirical-data-demonstrates-risk-tradeoffs-between-landscapes-for-herbivorous-fish-may-promote-reef-resilience
#2
Caitlin R Fong, Matthew Frias, Nicholas Goody, Sarah Joy Bittick, Rachel J Clausing, Peggy Fong
Herbivores balance resource requirements with predation risk, which can differ among landscapes; hence, landscape can shape these trade-offs, influencing herbivore distribution and behavior. While this paradigm has been well established on coral-dominated reefs, tropical reefs worldwide are shifting to algal dominance. If herbivores avoid algae due to higher risk and forage in coral, these algal states may be stabilized. However, if herbivores forage more in resource-rich algal states, this may promote coral recovery...
November 6, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/29114934/illegal-fishing-and-territorial-user-rights-in-chile
#3
Rodrigo Oyanedel, Andres Keim, Juan Carlos Castilla, Stefan Gelcich
Illegal fishing poses a major threat for the conservation of marine resources worldwide. However, there is still limited empirical research that quantifies illegal catch levels. This study uses the Randomized Response Technique to estimate the proportion of divers, and the quantities extracted of illegal "loco" (Concholepas concholepas), a gastropod managed for the past 17 years through a Territorial User Rights for Fisheries system (TURFs) in Chile. Results show that illegal fishing is widespread along the TURFs system, with official reported landings accounting for only 14- 30% of the total loco extraction...
November 7, 2017: Conservation Biology: the Journal of the Society for Conservation Biology
https://www.readbyqxmd.com/read/29110521/what-makes-parents-act-and-react-parental-views-and-considerations-relating-to-child-health-during-infancy
#4
Gerd Almqvist-Tangen, Susann Arvidsson, Bernt Alm, Stefan Bergman, Josefine Roswall, Jovanna Dahlgren, Lauri Nevonen
Lifestyle factors and behaviours are adopted very early in life and tend to persist throughout life. Considering that the parents are the primary gatekeepers for their child's health, there is a need to gain more knowledge and deeper understanding about what causes parents to act and react in order for early preventive efforts to have any effect. The aim was to explore the parental views and considerations concerning 'child health' among parents with infants 8-10 months old. The sample was strategic and 16 parents (aged 23-41) were recruited from three child health centres in Sweden...
January 1, 2017: Journal of Child Health Care: for Professionals Working with Children in the Hospital and Community
https://www.readbyqxmd.com/read/29095037/the-heat-strain-of-various-athletic-surfaces-a-comparison-between-observed-and-modeled-wet-bulb-globe-temperatures
#5
J Luke Pryor, Riana R Pryor, Andrew Grundstein, Douglas J Casa
CONTEXT:   The National Athletic Trainers' Association recommends using onsite wet-bulb globe temperature (WBGT) measurement to determine whether to modify or cancel physical activity. However, not all practitioners do so and instead they may rely on the National Weather Service (NWS) to monitor weather conditions. OBJECTIVE:   To compare regional NWS WBGT estimates with local athletic-surface readings and compare WBGT measurements among various local athletic surfaces...
November 2, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/29090445/release-of-particles-organic-compounds-and-metals-from-crumb-rubber-used-in-synthetic-turf-under-chemical-and-physical-stress
#6
Silvia Canepari, Paola Castellano, Maria Luisa Astolfi, Stefano Materazzi, Riccardo Ferrante, Dennis Fiorini, Roberta Curini
The chemical and morphological characteristics of materials released under chemical and physical stress by different rubber granulates used as infill materials in synthetic turf (recycled scrap tires, natural rubber, and a new-generation thermoplastic elastomer) were compared.The headspace solid-phase micro-extraction GC-MS analysis evidenced that at 70 °C natural rubber and thermoplastic elastomer release amounts of organic species much higher than recycled scrap tires. In particular, the desorption of mineral oils, with a prevalence of toxicologically relevant low-viscosity alkanes in the range C17-C22, and plasticizers (diisobutyl phthalate) was clearly evidenced...
October 31, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29081782/aba-is-involved-in-regulation-of-cold-stress-response-in-bermudagrass
#7
Xuebing Huang, Haiyan Shi, Zhengrong Hu, Ao Liu, Erick Amombo, Liang Chen, Jinmin Fu
As a representative warm-season grass, Bermudagrass [Cynodon dactylon (L). Pers.] is widely used in turf systems. However, low temperature remarkably limits its growth and distribution. ABA is a crucial phytohormone that has been reported to regulate much important physiological and biochemical processes in plants under abiotic stress. Therefore, the objective of this study was to figure out the effects of ABA on the cold-sensitive (S) and cold-resistant (R) Bermudagrass genotypes response to cold stress. In this study, the plants were treated with 100 μM ABA solution and exposed to 4°C temperature...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29080425/comparative-transcriptome-analysis-provides-new-insights-into-erect-and-prostrate-growth-in-bermudagrass-cynodon-dactylon-l
#8
Bing Zhang, Xiaolin Xiao, Junqin Zong, Jingbo Chen, Jianjian Li, Hailin Guo, Jianxiu Liu
Bermudagrass (Cynodon dactylon L.) is a prominent warm-season turf and forage grass species with multiple applications. In most C. dactylon cultivars and accessions, erect-growing stems (shoot) and prostrate-growing stems (stolon) often coexist. These two types of stems are both formed through tillering but grow in two directions with different tiller angles. Elucidating the mechanism of tiller angle regulation in bermudagrass could provide important clues to breed cultivars with different plant architectural features for diverse usage...
October 21, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/29075277/the-alleviation-of-heat-damage-to-photosystem-ii-and-enzymatic-antioxidants-by-exogenous-spermidine-in-tall-fescue
#9
Liang Zhang, Tao Hu, Erick Amombo, Guangyang Wang, Yan Xie, Jinmin Fu
Tall fescue (Festuca arundinacea Schreb) is a typical cool-season grass that is widely used in turf and pasture. However, high temperature as an abiotic stress seriously affects its utilization. The objective of this study was to explore the effect of spermidine (Spd) on heat stress response of tall fescue. The samples were exposed to 22°C (normal condition) or 44°C (heat stress) for 4 h. The results showed that exogenous Spd partially improved the quality of tall fescue leaves under normal temperature conditions...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29053641/wear-and-tear-of-tyres-a-stealthy-source-of-microplastics-in-the-environment
#10
REVIEW
Pieter Jan Kole, Ansje J Löhr, Frank G A J Van Belleghem, Ad M J Ragas
Wear and tear from tyres significantly contributes to the flow of (micro-)plastics into the environment. This paper compiles the fragmented knowledge on tyre wear and tear characteristics, amounts of particles emitted, pathways in the environment, and the possible effects on humans. The estimated per capita emission ranges from 0.23 to 4.7 kg/year, with a global average of 0.81 kg/year. The emissions from car tyres (100%) are substantially higher than those of other sources of microplastics, e.g., airplane tyres (2%), artificial turf (12-50%), brake wear (8%) and road markings (5%)...
October 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29050413/laying-hens-in-aviaries-with-different-litter-substrates-behavior-across-the-flock-cycle-and-feather-lipid-content
#11
D L M Campbell, A B A Ali, D M Karcher, J M Siegford
The tiered aviary for laying hens includes a floor litter area to promote foraging and dust bathing. Data are needed on hens' use of different litter substrates and effectiveness of substrates in removing excess feather lipids to ensure a suitable litter area. Bovans White hens were housed in commercial-style aviaries with access to one of 3 litter substrates (wood shavings, straw, or plastic turf mats-AstroTurf®, n = 4 aviary pens per substrate, 144 cage-reared hens populated per pen). Litter areas were videoed across 2 d each at 4 ages: immediately following first aviary opening (25 wk), then at 28, 50, and 68 weeks...
September 1, 2017: Poultry Science
https://www.readbyqxmd.com/read/29048585/mowing-height-influences-listronotus-maculicollis-coleoptera-curculionidae-oviposition-behavior-and-mechanical-removal-from-golf-course-putting-greens-but-not-larval-development
#12
Benjamin D Czyzewski, Benjamin A McGraw
The annual bluegrass weevil, Listronotus maculicollis (Kirby), is a highly destructive pest of golf course turfgrass in eastern North America. Previous research has demonstrated that females prefer to oviposit within short-mown turfgrasses (<1.25 cm), and these offspring have improved fitness traits compared with larvae developing in higher-mowed turf. However, damage to putting green turf (<3.55 mm) is rarely reported. We investigated whether this phenomenon was due to adult removal through mowing or an inability of larvae to develop within a shortened plant...
October 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29031215/comprehensive-multipathway-risk-assessment-of-chemicals-associated-with-recycled-crumb-rubber-in-synthetic-turf-fields
#13
Michael K Peterson, Julie C Lemay, Sara Pacheco Shubin, Robyn L Prueitt
BACKGROUND: Thousands of synthetic turf fields in the US are regularly used by millions of individuals (particularly children and adolescents). Although many safety assessments have concluded that there are low or negligible risks related to exposure to chemicals found in the recycled rubber used to make these fields, concerns remain about the safety of this product. Existing studies of recycled rubber's potential health risks have limitations such as small sample sizes and limited evaluation of relevant exposure pathways and scenarios...
October 12, 2017: Environmental Research
https://www.readbyqxmd.com/read/29021082/habitat-associations-of-an-expanding-native-alga
#14
Sofie E Voerman, Tim M Glasby, William Gladstone, Paul E Gribben
There are many examples of native macrophytes becoming locally dominant and spreading outside their traditional distributions, but the causes and impacts are often not understood. In New South Wales, Australia, the green alga Caulerpa filiformis is undergoing a range expansion and has transitioned from a subdominant to a dominant alga on several rocky shores around the Sydney coastline. Here we investigated relationships between established patches of C. filiformis, the habitat it occupies and associated algal communities at multiple subtidal sites over the green alga's 700 km range...
October 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28992521/morphology-and-phylogeny-of-the-testate-amoebae-euglypha-bryophila-brown-1911-and-euglypha-cristata-leidy-1874-rhizaria-euglyphida
#15
Andrey N Tsyganov, Anastasia V Shatilovich, Anton S Esaulov, Viktor A Chernyshov, Natalia G Mazei, Elena A Malysheva, Yuri A Mazei
The genus Euglypha contains the largest number of filose testate amoeba taxa which were mainly described based on the morphological characteristics of shells. Despite the increasing amount of molecular data, the phylogenetic relationships within the genus Euglypha remain unresolved. In this work we provide new data on SSU rRNA gene sequences, light and electron microscopy for the two euglyphid species Euglypha bryophilaBrown, 1911 and Euglypha cristataLeidy, 1874. Both species are characterised by the presence of a turf of spines on the aboral pole of the shells but differ in shell cross sections (elliptical and circular, respectively)...
September 18, 2017: European Journal of Protistology
https://www.readbyqxmd.com/read/28988853/ecological-performance-of-construction-materials-subject-to-ocean-climate-change
#16
Kay L Davis, Melinda A Coleman, Sean D Connell, Bayden D Russell, Bronwyn M Gillanders, Brendan P Kelaher
Artificial structures will be increasingly utilized to protect coastal infrastructure from sea-level rise and storms associated with climate change. Although it is well documented that the materials comprising artificial structures influence the composition of organisms that use them as habitat, little is known about how these materials may chemically react with changing seawater conditions, and what effects this will have on associated biota. We investigated the effects of ocean warming, acidification, and type of coastal infrastructure material on algal turfs...
October 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28958575/a-review-of-three-decades-of-research-on-the-invasive-kelp-undaria-pinnatifida-in-australasia-an-assessment-of-its-success-impacts-and-status-as-one-of-the-world-s-worst-invaders
#17
REVIEW
Paul M South, Oliver Floerl, Barrie M Forrest, Mads S Thomsen
Marine invasive macroalgae can have severe local-scale impacts on ecological communities. The kelp Undaria pinnatifida is one of the most successful marine invasive species worldwide, and is widely regarded as one of the worst. Here, we review research on Undaria in Australasia, where the kelp is established throughout much of New Zealand and south-eastern Australia. The presence of Undaria for at least three decades in these locations makes Australasia one of the longest-invaded bioregions globally, and a valuable case study for considering Undaria's invasion success and associated impacts...
October 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28953958/effects-of-age-on-the-soccer-specific-cognitive-motor-performance-of-elite-young-soccer-players-comparison-between-objective-measurements-and-coaches-evaluation
#18
COMPARATIVE STUDY
Halim Hicheur, Alan Chauvin, Steve Chassot, Xavier Chenevière, Wolfgang Taube
The cognitive-motor performance (CMP), defined here as the capacity to rapidly use sensory information and transfer it into efficient motor output, represents a major contributor to performance in almost all sports, including soccer. Here, we used a high-technology system (COGNIFOOT) which combines a visual environment simulator fully synchronized with a motion capture system. This system allowed us to measure objective real-time CMP parameters (passing accuracy/speed and response times) in a large turf-artificial grass playfield...
2017: PloS One
https://www.readbyqxmd.com/read/28944649/neuromuscular-responses-and-physiological-patterns-during-a-soccer-simulation-protocol-artificial-turf-versus-natural-grass
#19
Jorge López-Fernández, Jorge García-Unanue, Javier Sánchez-Sánchez, Manuel León, Enrique Hernando, Leonor Gallardo
BACKGROUND: Latest studies suggest similar performance of soccer players either on artificial turf (AT) or natural grass (NG). However, it is not clear if their muscular and physiological responses are also similar on both surfaces. This research aims to assess the influence of game surface on physiological patterns and neuromuscular responses of soccer players during a soccer simulation protocol (SSP) that incorporates repeated sprints and nonlinear actions at maximum speed. METHODS: Sixteen amateur soccer players completed three bouts of the SSP on both AT and NG...
September 22, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28936200/the-fungus-aspergillus-aculeatus-enhances-salt-stress-tolerance-metabolite-accumulation-and-improves-forage-quality-in-perennial-ryegrass
#20
Xiaoning Li, Shijuan Han, Guangyang Wang, Xiaoying Liu, Erick Amombo, Yan Xie, Jinmin Fu
Perennial ryegrass (Lolium perenne) is an important forage grass with high yield and superior quality in temperate regions which is widely used in parks, sport field, and other places. However, perennial ryegrass is moderately tolerant to salinity stress compared to other commercial cultivars and salt stress reduces their growth and productivity. Aspergillus aculeatus has been documented to participate in alleviating damage induced by salinity. Therefore, the objective of this study was to investigate the mechanisms underlying A...
2017: Frontiers in Microbiology
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