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https://www.readbyqxmd.com/read/28339012/heavy-metal-content-and-molecular-species-identification-in-canned-tuna-insights-into-human-food-safety
#1
Anna Maria Pappalardo, Chiara Copat, Venera Ferrito, Alfina Grasso, Margherita Ferrante
Canned tuna in olive oil and in brine of the most popular brands sold in Italian markets were analyzed to verify the authentication of transformed products, with the aim to unveil commercial frauds due to the substitutions of high value species with species of low commercial value, and to assess the health risk of consumers related to cadmium (Cd), lead (Pb) and mercury (Hg) contents. Species authentication was evaluated with amplification of COI DNA barcode and confirmed the declared species. Among tested metals, Hg had the highest concentrations, followed by Cd and Pb...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28336744/association-of-respiratory-symptoms-and-asthma-with-occupational-exposures-findings-from-a-population-based-cross-sectional-survey-in-telemark-norway
#2
R Abrahamsen, A K M Fell, M V Svendsen, E Andersson, K Torén, P K Henneberger, J Kongerud
OBJECTIVES: The aim of this study was to estimate the prevalence of respiratory symptoms and physician-diagnosed asthma and assess the impact of current occupational exposure. DESIGN: Cross-sectional analyses of the prevalence of self-reported respiratory health and association with current occupational exposure in a random sample of the general population in Telemark County, Norway. SETTINGS: In 2013, a self-administered questionnaire was mailed to a random sample of the general population, aged 16-50, in Telemark, Norway...
March 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/28335428/an-updated-review-of-ciguatera-fish-poisoning-clinical-epidemiological-environmental-and-public-health-management
#3
REVIEW
Melissa A Friedman, Mercedes Fernandez, Lorraine C Backer, Robert W Dickey, Jeffrey Bernstein, Kathleen Schrank, Steven Kibler, Wendy Stephan, Matthew O Gribble, Paul Bienfang, Robert E Bowen, Stacey Degrasse, Harold A Flores Quintana, Christopher R Loeffler, Richard Weisman, Donna Blythe, Elisa Berdalet, Ram Ayyar, Danielle Clarkson-Townsend, Karen Swajian, Ronald Benner, Tom Brewer, Lora E Fleming
Ciguatera Fish Poisoning (CFP) is the most frequently reported seafood-toxin illness in the world. It causes substantial human health, social, and economic impacts. The illness produces a complex array of gastrointestinal, neurological and neuropsychological, and cardiovascular symptoms, which may last days, weeks, or months. This paper is a general review of CFP including the human health effects of exposure to ciguatoxins (CTXs), diagnosis, human pathophysiology of CFP, treatment, detection of CTXs in fish, epidemiology of the illness, global dimensions, prevention, future directions, and recommendations for clinicians and patients...
March 14, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28327967/genome-sequence-of-pacific-abalone-haliotis-discus-hannai-the-first-draft-genome-in-family-haliotidae
#4
Bo-Hye Nam, Woori Kwak, Young-Ok Kim, Dong-Gyun Kim, Hee Jeong Kong, Woo-Jin Kim, Jeong-Ha Kang, Jung Youn Park, Cheul Min An, Ji-Young Moon, Choul Ji Park, Jae Woong Yu, Joon Yoon, Minseok Seo, Kwondo Kim, Duk Kyung Kim, SaetByeol Lee, Samsun Sung, Chul Lee, Younhee Shin, Myunghee Jung, Byeong-Chul Kang, Shin Ga-Hee, Sojeong Ka, Kelsey Caetano-Anolles, Seoae Cho, Heebal Kim
Background: Abalones are large marine snails in the family Haliotidae and the genus Haliotis belonging to the class Gastropoda of the phylum Mollusca. The family Haliotidae contains only one genus, Haliotis, and this single genus is known to contain several species of abalone. With 18 additional subspecies, the most comprehensive treatment of Haliotidae considers 56 species valid [1]. Abalone is an economically important fishery and aquaculture animal which is considered a highly-prized seafood delicacy...
March 7, 2017: GigaScience
https://www.readbyqxmd.com/read/28322212/severe-mutilation-of-a-critically-endangered-taiwanese-humpback-dolphin-sousa-chinensis-taiwanensis-by-fishing-gear
#5
John Y Wang, Claryana Araújo-Wang
Direct observations of the causes of injuries to cetaceans are rare events. For very small and declining populations, such events may be even less likely to be observed because of the few individuals that remain. A long-term monitoring program using photographic identification of individuals resulted in the documentation of an individual Taiwanese humpback dolphin Sousa chinensis taiwanensis that survived a harmful interaction with fishing gear. An adult female that was accompanied by a young calf sustained massive damage to several tissue types on her dorsal surface...
March 21, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28321878/reproductive-biology-of-haemulon-plumierii-in-the-south-western-atlantic-ocean-s-most-extensive-reefs-implications-for-fisheries-management
#6
G C S Hoffmann, M O Freitas, R L Moura, M Previero, V Abilhoa
The reproductive biology of the white grunt Haemulon plumierii was studied from 360 individuals obtained from artisanal fisheries landings in the Abrolhos Bank, Brazil, between August 2010 and March 2012. The overall sex-ratio did not differ significantly from 1:1, although males predominated in larger size classes. β-Binomial modelling of historical sex-ratio data indicated that the catch rate of females has increased in recent years. Females reached maturity at a smaller total length (LT ; 214 mm) than males (235 mm LT ) and the LT at which 50% of all individuals are mature (L50 ) was 220 mm, corresponding to 41·5% of the maximum recorded LT ...
March 21, 2017: Journal of Fish Biology
https://www.readbyqxmd.com/read/28316882/sympathy-for-the-devil-a-conservation-strategy-for-devil-and-manta-rays
#7
Julia M Lawson, Sonja V Fordham, Mary P O'Malley, Lindsay N K Davidson, Rachel H L Walls, Michelle R Heupel, Guy Stevens, Daniel Fernando, Ania Budziak, Colin A Simpfendorfer, Isabel Ender, Malcolm P Francis, Giuseppe Notarbartolo di Sciara, Nicholas K Dulvy
BACKGROUND: International trade for luxury products, medicines, and tonics poses a threat to both terrestrial and marine wildlife. The demand for and consumption of gill plates (known as Peng Yu Sai, "Fish Gill of Mobulid Ray") from devil and manta rays (subfamily Mobulinae, collectively referred to as mobulids) poses a significant threat to these marine fishes because of their extremely low productivity. The demand for these gill plates has driven an international trade supplied by largely unmonitored and unregulated catches from target and incidental fisheries around the world...
2017: PeerJ
https://www.readbyqxmd.com/read/28299289/occurrence-of-nematodes-of-the-genus-anisakis-in-mediterranean-and-atlantic-fish-marketed-in-sardinia
#8
Daniele Casti, Christian Scarano, Maria Cristina Piras, Paolo Merella, Sonia Muglia, Francesca Piras, Giovanni Garippa, Carlo Spanu, Enrico Pietro Luigi De Santis
Anisakiasis is a gastrointestinal fish-borne zoonosis caused by the ingestion of third stage larvae of the genus Anisakis. Between January and December 2013, 1112 specimens of four commercial fish species (Engraulis encrasicolus, Merluccius merluccius, Scomber colias and Trachurus mediterraneus) marketed in Sardinia (Italy) were examined for Anisakis sp. The overall prevalence of Anisakis spp larvae was 39.9%, all morphologically identified as Type I. Scomber colias showed the highest prevalence (100%), followed by M...
January 24, 2017: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/28296895/evaluating-signals-of-oil-spill-impacts-climate-and-species-interactions-in-pacific-herring-and-pacific-salmon-populations-in-prince-william-sound-and-copper-river-alaska
#9
Eric J Ward, Milo Adkison, Jessica Couture, Sherri C Dressel, Michael A Litzow, Steve Moffitt, Tammy Hoem Neher, John Trochta, Rich Brenner
The Exxon Valdez oil spill occurred in March 1989 in Prince William Sound, Alaska, and was one of the worst environmental disasters on record in the United States. Despite long-term data collection over the nearly three decades since the spill, tremendous uncertainty remains as to how significantly the spill affected fishery resources. Pacific herring (Clupea pallasii) and some wild Pacific salmon populations (Oncorhynchus spp.) in Prince William Sound declined in the early 1990s, and have not returned to the population sizes observed in the 1980s...
2017: PloS One
https://www.readbyqxmd.com/read/28296766/evaluation-of-socioeconomic-status-as-a-risk-factor-of-pterygium-using-the-korean-national-health-and-nutrition-examination-survey-2010-to-2011-a-strobe-compliant-article
#10
Young Bok Lee, Su Young Kim, Yong Gyu Park, Kyung Do Han, Jin-Wou Kim, Hiun Suk Chae, Young Chun Lee
Pterygium is a common conjunctival disorder. The socioeconomic risk factors of pterygium have not been systematically evaluated in Korea. The study investigated risk factors of pterygium considering socioeconomic status.Participants were 9839 adults aged 19 to 74 years, who underwent ophthalmic slit-lamp examinations as part of the Korean National Health and Nutrition Examination Survey 2010 to 2011. Pterygium was diagnosed as a growth of fibrovascular tissue over the cornea. The socioeconomic risk factors were analyzed in association with the presence of pterygium...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28296022/large-but-uneven-reduction-in-fish-size-across-species-in-relation-to-changing-sea-temperatures
#11
Itai van Rijn, Yehezkel Buba, John DeLong, Moshe Kiflawi, Jonathan Belmaker
Ectotherms often attain smaller body sizes when they develop at higher temperatures. This phenomenon, known as the temperature size rule, has important consequences for global fisheries, whereby ocean warming is predicted to result in smaller fish and reduced biomass. However, the generality of this phenomenon and the mechanisms that drive it in natural populations remain unresolved. In this study we document the maximal size of 74 fish species along a steep temperature gradient in the Mediterranean Sea and find strong support for the temperature size rule...
March 13, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28295789/acoustic-telemetry-and-fisheries-management
#12
Glenn T Crossin, Michelle R Heupel, Christopher M Holbrook, Nigel E Hussey, Susan K Lowerre-Barbieri, Vivian M Nguyen, Graham D Raby, Steven J Cooke
This paper reviews the use of acoustic telemetry as a tool for addressing issues in fisheries management, and serves as the lead to the special Feature Issue of Ecological Applications titled "Acoustic Telemetry and Fisheries Management". Specifically, we provide an overview of the ways in which acoustic telemetry can be used to inform issues central to the ecology, conservation, and management of exploited and/or imperiled fish species. Despite great strides in this area in recent years, there are comparatively few examples where data have been applied directly to influence fisheries management and policy...
March 15, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28290518/historical-changes-of-the-mediterranean-sea-ecosystem-modelling-the-role-and-impact-of-primary-productivity-and-fisheries-changes-over-time
#13
Chiara Piroddi, Marta Coll, Camino Liquete, Diego Macias, Krista Greer, Joe Buszowski, Jeroen Steenbeek, Roberto Danovaro, Villy Christensen
The Mediterranean Sea has been defined "under siege" because of intense pressures from multiple human activities; yet there is still insufficient information on the cumulative impact of these stressors on the ecosystem and its resources. We evaluate how the historical (1950-2011) trends of various ecosystems groups/species have been impacted by changes in primary productivity (PP) combined with fishing pressure. We investigate the whole Mediterranean Sea using a food web modelling approach. Results indicate that both changes in PP and fishing pressure played an important role in driving species dynamics...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28289805/comparison-of-lindane-and-carbaryl-pesticide-bioaccumulation-in-the-common-sole-solea-solea
#14
Frapiccini Emanuela, Scarcella Giuseppe, Guicciardi Stefano, Betti Mattia, Marini Mauro
Organochlorines and carbamates are common pesticides predominantly employed in agriculture. Large amounts of pesticides make their way into rivers and marine habitats. They accumulate in aquatic organisms through different exposure routes and gradually move up the food chain. Since contaminant bioaccumulation in animals is affected by several factors, this work harnessed several different approaches to explore the persistence of lindane, a long banned organochlorine pesticide, and carbaryl, a newer generation pesticide, in common sole (Solea solea), a major commercial species in Adriatic fisheries...
March 13, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28289567/hard-time-to-be-parents-sea-urchin-fishery-shifts-potential-reproductive-contribution-of-population-onto-the-shoulders-of-the-young-adults
#15
Barbara Loi, Ivan Guala, Rodrigo Pires da Silva, Gianni Brundu, Maura Baroli, Simone Farina
BACKGROUND: In Sardinia, as in other regions of the Mediterranean Sea, sustainable fisheries of the sea urchin Paracentrotus lividus have become a necessity. At harvesting sites, the systematic removal of large individuals (diameter ≥ 50 mm) seriously compromises the biological and ecological functions of sea urchin populations. Specifically, in this study, we compared the reproductive potential of the populations from Mediterranean coastal areas which have different levels of sea urchin fishing pressure...
2017: PeerJ
https://www.readbyqxmd.com/read/28288967/in-air-hearing-of-the-great-cormorant-phalacrocorax-carbo
#16
Alyssa Maxwell, Kirstin Anderson Hansen, Sara Torres Ortiz, Ole Næsbye Larsen, Ursula Siebert, Magnus Wahlberg
Many aquatic birds use sounds extensively for in-air communication. Regardless of this, we know very little about their hearing abilities. The in-air audiogram of a male adult great cormorant (Phalacrocorax carbo) was determined using psychophysical methods (method of constants). Hearing thresholds were derived using pure tones of five different frequencies. The lowest threshold was at 2 kHz: 18 dB re 20 µPa rms. Thresholds derived using signal detection theory were within 2 dB of the ones derived using classical psychophysics...
March 13, 2017: Biology Open
https://www.readbyqxmd.com/read/28287609/assessing-the-risk-of-an-emerging-zoonosis-of-worldwide-concern-anisakiasis
#17
Miguel Bao, Graham J Pierce, Santiago Pascual, Miguel González-Muñoz, Simonetta Mattiucci, Ivona Mladineo, Paolo Cipriani, Ivana Bušelić, Norval J C Strachan
Anisakiasis is an emerging zoonosis caused by the fish parasitic nematode Anisakis. Spain appears to have the highest reported incidence in Europe and marinated anchovies are recognised as the main food vehicle. Using data on fishery landings, fish infection rates and consumption habits of the Spanish population from questionnaires, we developed a quantitative risk assessment (QRA) model for the anchovy value chain. Spaniards were estimated to consume on average 0.66 Anisakis per untreated (non-frozen) raw or marinated anchovy meal...
March 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28284150/effects-of-waterborne-cadmium-on-energy-metabolism-in-the-tropical-sea-cucumber-stichopus-horrens-and-a-comparison-of-tissue-specific-cadmium-accumulation-with-the-temperate-sea-cucumber-australostichopus-mollis
#18
Hannah Charan-Dixon, Sally Gaw, Sharyn J Goldstien, Chris N Glover
The sea cucumber Stichopus horrens is an important component of near-shore ecosystems, and in the Kingdom of Tonga it also comprises an important commercial and subsistence fishery. To assess the sensitivity of this species to the toxic trace metal cadmium (Cd), adult S. horrens were exposed for 96h to an environmental (15µgL(-1)) or effect (765µgL(-1)) concentration of waterborne Cd. The respiratory tree and intestine accumulated higher concentrations of Cd than the muscle and body wall, but there were no effects of Cd on tissue ions (sodium, potassium, magnesium, calcium)...
March 8, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28274208/an-analysis-of-the-effects-of-a-campaign-supporting-use-of-a-health-symbol-on-food-sales-and-shopping-behaviour-of-consumers
#19
Trine Mørk, Klaus G Grunert, Morten Fenger, Hans Jørn Juhl, George Tsalis
BACKGROUND: Since 2009, the green Keyhole symbol has been a joint Nordic initiative for signalling healthfulness of specific food products. In 2014, the Danish Ministry of Food, Agriculture and Fisheries carried out a campaign aimed mainly at men over 35 with a low level of education, encouraging them to use the Keyhole in their shopping process. The objective of the study is to evaluate the campaign by measuring its effect on consumer behaviour in the store. METHODS: The impact of the Keyhole campaign was measured in selected retail stores...
March 9, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28273927/strengthening-north-pacific-influences-on-united-states-temperature-variability
#20
Justin A Schulte, Sukyoung Lee
Changes in the frequency of occurrence of atmospheric circulation patterns under a changing climate system has important implications for regional climate variability. While many studies have focused on understanding the trends in the atmospheric pattern amplitudes and probabilities of occurrence, little attention has been given to how the linkages between climate variables and the large-scale patterns have been changing. Here we first document the strengthening relationship between an important North Pacific teleconnection - the East Pacific/North Pacific (EP/NP) pattern - and United States (US) temperature variability since the 1950s...
December 2017: Scientific Reports
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