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https://www.readbyqxmd.com/read/29785269/juvenile-steller-sea-lion-eumetopias-jubatus-utilization-distributions-in-the-gulf-of-alaska
#1
Amanda Bishop, Casey Brown, Michael Rehberg, Leigh Torres, Markus Horning
Background: A utilization distribution quantifies the temporal and spatial probability of space use for individuals or populations. These patterns in movement arise from individuals' internal state and from their response to the external environment, and thus can provide insights for assessing factors associated with the management of threatened populations. The Western Distinct Population Segment of the Steller sea lion ( Eumetopias jubatus ) has declined to approximately 20% of levels encountered 40 years ago...
2018: Movement Ecology
https://www.readbyqxmd.com/read/29783116/modelling-environment-contamination-with-heavy-metals-in-flathead-grey-mullet-mugil-cephalus-and-upper-sediments-from-north-african-coasts-of-the-mediterranean-sea
#2
Naouel Ouali, Bourhane-Eddine Belabed, Haroun Chenchouni
Heavy metals are a serious hazard for aquatic ecosystems and human health. They negatively affect aquatic life functioning through accumulation resulting physiological/growth disturbances in aquatic lifeforms. This survey focused on the assessment of heavy metal pollution in the Gulf of Annaba (northeastern Algeria), the largest and most diversified industrial hub in Africa, using a multi-compartment approach (water-sediment-biota). The study aims to characterize the spatiotemporal variation of trace metal (TM) contamination and its effects on the growth of the Flathead grey mullet (Mugil cephalus)...
May 18, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29782897/metal-concentrations-in-fillet-and-gill-of-parrotfish-scarus-ghobban-from-the-persian-gulf-and-implications-for-human-health
#3
Yadolah Fakhri, Narottam Saha, Ali Miri, Aziz Rahimizadeh, Laleh Roomiani, Mansour Ghaderpoori, Mahmoud Taghavi, Hassan Keramati, Zohreh Bahmani, Bigard Moradi, Nazak Amanidaz
Despite the benefits of seafood's consumption, the bioaccumulation of metals in fish can endanger consumers' health. This study analyzed lead (Pb), mercury (Hg), Arsenic (As), and Cadmium (Cd) concentrations in fillet and gill of parrotfish (Scarus ghobban) using flame atomic adsorption spectroscopy (FAAS). The potential non-carcinogenic and carcinogenic health risks due to consumption of Scarus ghobban fillet were assessed by estimating average target hazard quotient (THQ) and total target hazard quotient (TTHQ) and Incremental Lifetime Cancer Risk cancer risk (ILCR) of the analyzed metals...
May 18, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29782816/a-new-microsporidium-apotaspora-heleios-n-g-n-sp-from-the-riverine-grass-shrimp-palaemonetes-paludosus-decapoda-caridea-palaemonidae
#4
Yuliya Y Sokolova, Robin M Overstreet
We report a new microsporidium from a key species of the estuarine communities of the Gulf States, the Riverine grass shrimp, Palaemonetes paludosus. A milky-white shrimp was found in the Mobile Bay Delta, a large, oligohaline-freshwater wetland in Alabama, USA. Light microscopy of smears and thick sections of the abdominal tissues demonstrated infection with microsporidian spores enclosed in sporophorous vesicles (SVs) in sets of eight. Broadly oval spores measured 2.9 ± 0.06 x 1.7 ± 0.03 µm (2.5-3.3 x 1...
May 18, 2018: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/29779401/evaluating-quantity-and-quality-of-literature-focusing-on-health-economics-and-pharmacoeconomics-in-gulf-cooperation-council-countries
#5
Islam Eljilany, Faris El-Dahiyat, Louise Elizabeth Curley, Zaheer-Ud-Din Babar
BACKGROUND: The importance of pharmacoeconomics and health economics has been augmented. It has the potential to provide evidence to aid in optimal decision-making in the funding of cost-effective medicines and services in Gulf Cooperation Council countries (G.C.C). OBJECTIVE: To evaluate the quality and quantity of health economic research published until the end of 2017 in G.C.C. METHOD: Studies were included according to inclusion and exclusion criteria...
May 19, 2018: Expert Review of Pharmacoeconomics & Outcomes Research
https://www.readbyqxmd.com/read/29777908/breast-cancer-in-the-gcc-countries-a-focus-on-brca1-2-and-non-brca1-2-genes
#6
REVIEW
Sumaya Rahman, Hatem Zayed
The GCC is an economic alliance of six Arab countries, including Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, and United Arab Emirates (UAE). The rate of endogamous marriage among the GCC countries is approaching 100%, with very high consanguineous marriage rates. Although breast cancer is on the rise in the GCC countries, there are dearth of studies reporting on the genetic epidemiology of breast cancer. In this study, we investigated the frequency of BRCA1/2 and non-BRCA1/2 mutations in breast cancer patients in the GCC countries...
May 16, 2018: Gene
https://www.readbyqxmd.com/read/29777583/predicting-phototoxicity-of-alkylated-pahs-pahs-mixtures-and-water-accommodated-fractions-of-neat-and-weathered-petroleum-with-the-phototoxic-target-lipid-model
#7
Solmaz Marzooghi, Bryson E Finch, William A Stubblefield, Dominic M Di Toro
The toxicity of petroleum can increase considerably when exposed to solar radiation. It occurs when certain components in the mixture, including polycyclic aromatic hydrocarbons (PAHs), absorb light in ultraviolet and visible portions of the solar radiation spectrum. A phototoxic target lipid model (PTLM), previously developed to predict phototoxicity of single PAHs, is validated for four species: Americamysis bahia, Rhepoxynius abronius, Daphnia magna, and Pimephales promelas exposed to 12 compounds that are components of petroleum, including alkylated PAHs and dibenzothiophene...
May 19, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29777550/evidence-for-dietary-time-series-in-layers-of-cetacean-skin-using-stable-carbon-and-nitrogen-isotope-ratios
#8
Lauren A Wild, Ellen M Chenoweth, Franz J Mueter, Janice M Straley
RATIONALE: Stable isotope analysis integrates diet information over a time period specific to the type of tissue sampled. For metabolically active skin of free-ranging cetaceans, cells are generated at the basal layer of the skin and migrate outward until they eventually slough off, suggesting potential for a dietary time series. METHODS: Skin samples from cetaceans were analyzed using continuous-flow elemental analyzer isotope ratio mass spectrometery (EA-IRMS)...
May 18, 2018: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/29773924/mercury-in-the-diatoms-of-various-ecological-formations
#9
Magdalena Bełdowska, Aleksandra Zgrundo, Justyna Kobos
Mercury is a neurotoxin, its main source in the human organism being fish and seafood. The first level in the marine food web is formed of planktonic and benthic photosynthetic microorganisms, which form a biofilm on the surface of the hard bottom (epilithon) or plants (epiphyton). They are carriers of nutritional as well as toxic substances and pass these on to subsequent levels of the trophic web. Their biomass is often dominated by diatoms. This was the basis for the presented study into Hg accumulation in epilithic, epiphytic and planktonic diatoms, which was carried out in 2012-2013 in the coastal zone of the Puck Lagoon and the Gulf of Gdańsk (southern Baltic)...
2018: Water, Air, and Soil Pollution
https://www.readbyqxmd.com/read/29773637/complete-genome-sequence-of-celeribacter-baekdonensis-strain-lh4-a-thiosulfate-oxidizing-alphaproteobacterial-isolate-from-gulf-of-mexico-continental-slope-sediments
#10
Beverly E Flood, Dalton Leprich, Jake V Bailey
We report here the closed genome sequences of Celeribacter baekdonensis strain LH4 and five unnamed plasmids obtained through PacBio sequencing with 99.99% consensus concordance. The genomes contained several distinctive features not found in other published Celeribacter genomes, including the potential to aerobically degrade styrene and other phenolic compounds.
May 17, 2018: Genome Announcements
https://www.readbyqxmd.com/read/29771969/impact-of-industrial-phosphate-waste-discharge-on-the-marine-environment-in-the-gulf-of-gabes-tunisia
#11
Akram El Kateb, Claudio Stalder, Andres Rüggeberg, Christoph Neururer, Jorge E Spangenberg, Silvia Spezzaferri
The marine environment in the Gulf of Gabes (southern Tunisia) is severely impacted by phosphate industries. Nowadays, three localities, Sfax, Skhira and Gabes produce phosphoric acid along the coasts of this Gulf and generate a large amount of phosphogypsum as a waste product. The Gabes phosphate industry is the major cause of pollution in the Gulf because most of the waste is directly discharged into the sea without preliminary treatment. This study investigates the marine environment in the proximity of the phosphate industries of Gabes and the coastal marine environment on the eastern coast of Djerba, without phosphate industry...
2018: PloS One
https://www.readbyqxmd.com/read/29771959/molecular-evidence-of-hybridization-in-sympatric-populations-of-the-enantia-jethys-complex-lepidoptera-pieridae
#12
Jovana M Jasso-Martínez, Salima Machkour-M'Rabet, Roger Vila, Rosario Rodríguez-Arnaiz, América Nitxin Castañeda-Sortibrán
Hybridization events are frequently demonstrated in natural butterfly populations. One interesting butterfly complex species is the Enantia jethys complex that has been studied for over a century; many debates exist regarding the species composition of this complex. Currently, three species that live sympatrically in the Gulf slope of Mexico (Enantia jethys, E. mazai, and E. albania) are recognized in this complex (based on morphological and molecular studies). Where these species live in sympatry, some cases of interspecific mating have been observed, suggesting hybridization events...
2018: PloS One
https://www.readbyqxmd.com/read/29768423/projecting-shifts-in-thermal-habitat-for-686-species-on-the-north-american-continental-shelf
#13
James W Morley, Rebecca L Selden, Robert J Latour, Thomas L Frölicher, Richard J Seagraves, Malin L Pinsky
Recent shifts in the geographic distribution of marine species have been linked to shifts in preferred thermal habitats. These shifts in distribution have already posed challenges for living marine resource management, and there is a strong need for projections of how species might be impacted by future changes in ocean temperatures during the 21st century. We modeled thermal habitat for 686 marine species in the Atlantic and Pacific oceans using long-term ecological survey data from the North American continental shelves...
2018: PloS One
https://www.readbyqxmd.com/read/29763817/escalating-heat-stress-mortality-risk-due-to-global-warming-in-the-middle-east-and-north-africa-mena
#14
Ali Ahmadalipour, Hamid Moradkhani
Climate change will substantially exacerbate extreme temperature and heatwaves. The impacts will be more intense across the Middle East and North Africa (MENA), a region mostly characterized by hot and arid climate, already intolerable for human beings in many parts. In this study, daily climate data from 17 fine-resolution Regional Climate Models (RCMs) are acquired to calculate wet-bulb temperature and investigate the mortality risk for people aged over 65 years caused by excessive heat stress across the MENA region...
May 11, 2018: Environment International
https://www.readbyqxmd.com/read/29755965/the-development-of-long-term-adverse-health-effects-in-oil-spill-cleanup-workers-of-the-deepwater-horizon-offshore-drilling-rig-disaster
#15
Mark A D'Andrea, G Kesava Reddy
Background: The purpose of this study was to assess the long-term adverse health effects of the 2010 Deepwater Horizon Gulf oil spill exposure in workers who participated in its cleanup work. Methods: Medical charts of both the oil spill exposed and unexposed subjects were reviewed. The changes in the white blood cells, platelets, hemoglobin, hematocrit, blood urea nitrogen, creatinine, alkaline phosphatase (ALP), aspartate amino transferase (AST), alanine amino transferase (ALT) levels, as well as their pulmonary and cardiac functions were evaluated...
2018: Frontiers in Public Health
https://www.readbyqxmd.com/read/29755436/the-effect-of-hydrostatic-pressure-on-enrichments-of-hydrocarbon-degrading-microbes-from-the-gulf-of-mexico-following-the-deepwater-horizon-oil-spill
#16
Angeliki Marietou, Roger Chastain, Felix Beulig, Alberto Scoma, Terry C Hazen, Douglas H Bartlett
The Deepwater Horizon oil spill was one of the largest and deepest oil spills recorded. The wellhead was located at approximately 1500 m below the sea where low temperature and high pressure are key environmental characteristics. Using cells collected 4 months following the Deepwater Horizon oil spill at the Gulf of Mexico, we set up Macondo crude oil enrichments at wellhead temperature and different pressures to determine the effect of increasing depth/pressure to the in situ microbial community and their ability to degrade oil...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29755152/eco-evolutionary-processes-generating-diversity-among-bottlenose-dolphin-tursiops-truncatus-populations-off-baja-california-mexico
#17
Iris Segura-García, Liliana Rojo-Arreola, Axayácatl Rocha-Olivares, Gisela Heckel, Juan Pablo Gallo-Reynoso, Rus Hoelzel
For highly mobile species that nevertheless show fine-scale patterns of population genetic structure, the relevant evolutionary mechanisms determining structure remain poorly understood. The bottlenose dolphin ( Tursiops truncatus ) is one such species, exhibiting complex patterns of genetic structure associated with local habitat dependence in various geographic regions. Here we studied bottlenose dolphin populations in the Gulf of California and Pacific Ocean off Baja California where habitat is highly structured to test associations between ecology, habitat dependence and genetic differentiation...
2018: Evolutionary Biology
https://www.readbyqxmd.com/read/29755051/investing-in-gulfport-development-of-an-academic-community-partnership-to-address-health-disparities
#18
Danielle Fastring, Susan Mayfield-Johnson, Tanya Funchess, Julie Egressy, Greg Wilson
BACKGROUND: Invest Health, a collaboration between the Robert Wood Johnson Foundation and The Reinvestment Fund, selected 50 midsized cities to participate in a health initiative that encourages cross-sector alliances to think creatively about mechanisms that address barriers to reducing health disparities among low-income populations. Gulfport, Mississippi, was 1 of 50 teams chosen to participate. OBJECTIVE: To develop an academic-community partnership among the University of Southern Mississippi, Coastal Family Health Center (CFHC), Mercy Housing and Human Development (MHHD), the Mississippi State Department of Health Office of Health Disparity Elimination, and Gulfport residents to create the Healthy Gulfport Initiative, and, ultimately, the Gulf Coast Healthy Communities Collaborative (GCHCC)...
2018: Progress in Community Health Partnerships: Research, Education, and Action
https://www.readbyqxmd.com/read/29755047/domestic-violence-and-pregnancy-a-cbpr-coalition-approach-to-identifying-needs-and-informing-policy
#19
Candace Forbes Bright, Braden Bagley, Ivie Pulliam, Amy Swetha Newton
BACKGROUND: Community engagement-the collaborative process of addressing issues that impact the well-being of a community-is a strategic effort to address community issues. The Gulf States Health Policy Center (GS-HPC) formed the Hattiesburg Area Health Coalition (HAHC) in November 2014 for the purpose of addressing policies impacting the health of Forrest and Lamar counties in Mississippi. OBJECTIVES: To chronicle the community-based participatory research (CBPR) process used by HAHC's identification of infant and maternal health as a policy area, domestic violence in pregnancy as a priority area within infant and maternal health, and a community action plan (CAP) regarding this priority area...
2018: Progress in Community Health Partnerships: Research, Education, and Action
https://www.readbyqxmd.com/read/29754090/hazard-potential-of-widespread-but-hidden-historic-offshore-heavy-metal-pb-zn-contamination-gulf-of-cadiz-spain
#20
Till J J Hanebuth, Mary Lee King, Isabel Mendes, Susana Lebreiro, Francisco J Lobo, Ferdinand K Oberle, Laura Antón, Paulo Alves Ferreira, Maria Isabel Reguera
Natural and human-induced seabed sediment disturbances affect wide areas of the global coastal ocean. These recurrent to chronic disturbances mobilize significant amounts of material, including substances that have the potential to significantly harm the environment once re-released. This very challenging issue is difficult to deal with if sub-surface contaminant concentrations are unknown. Based on the analysis of 11 new, up to 5-m long sediment cores taken offshore in the Gulf of Cadiz, the contamination history (using the trace elements lead and zinc) is well documented over major parts of the gulf...
May 10, 2018: Science of the Total Environment
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