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https://www.readbyqxmd.com/read/28228916/species-diversity-and-abundance-of-marine-crabs-portunidae-decapoda-from-a-collapsible-crab-trap-fishery-at-kung-krabaen-bay-chanthaburi-province-thailand
#1
Chutapa Kunsook, Pongchai Dumrongrojwatthana
The diversity and abundance of marine crabs from a collapsible crab trap fishery at Kung Krabaen Bay, Gulf of Thailand, were observed from August 2012 to June 2013 using 10 sampling stations. The results showed that there were seven families, 11 genera and 17 species (two anomuran and 15 brachyuran crabs). The two anomuran species were Clibanarius virescens (1,710 individuals) and Clibanarius infraspinatus (558 individuals). For brachyuran crabs, Portunidae was the most common family, including 10 species. The dominant species of brachyuran crabs included Thalamita crenata (897 individuals), Portunus pelagicus (806 individuals), Charybdis affinis (344 individuals), Scylla sp...
January 2017: Tropical Life Sciences Research
https://www.readbyqxmd.com/read/28228672/redescription-of-dynoides-elegans-boone-1923-crustacea-isopoda-sphaeromatidae-from-the-north-eastern-pacific
#2
Regina Wetzer, Gracie Mowery
Dynoides elegans (Boone, 1923) from southern California is reviewed, redescribed, and figured. The original species description did not include figures, making it difficult to attribute individuals to the species. Dynoides saldanai Carvacho and Haasmann, 1984 and Dynoides crenulatus Carvacho & Haasman, 1984 from the Pacific Coast of Mexico and Dynoides brevicornis Kussakin & Malyutina, 1987, from Furugelm Island, Peter the Great Gulf in the Sea of Japan, appear morphologically more similar to each other than to western Pacific species...
2017: ZooKeys
https://www.readbyqxmd.com/read/28216134/spatial-distribution-and-composition-of-aliphatic-hydrocarbons-polycyclic-aromatic-hydrocarbons-and-hopanes-in-superficial-sediments-of-the-coral-reefs-of-the-persian-gulf-iran
#3
Ranjbar Jafarabadi Ali, Riyahi Bakhtiari Alireza, Aliabadian Mansour, Shadmehri Toosi Amirhossein
This study is the first quantitative report on petroleum biomarkers from the coral reefs systems of the Persian Gulf. 120 reef surface sediment samples from ten fragile coral reef ecosystems were collected and analyzed for grain size, biogenic elements, elemental ratios, and petroleum biomarkers (n-alkanes, PAHs(1) and Hopanes) to assess the sources and early diagenesis of sedimentary organic matter. The mean grain size of the reef sediments ranged from 13.56 to 37.11% (Clay), 26.92 to 51.73% (Sand) and 35...
February 16, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28215865/triple-trouble-invasive-poeciliid-fishes-carry-the-introduced-tilapia-pathogen-gyrodactylus-cichlidarum-in-the-mexican-highlands
#4
Adriana García-Vásquez, Ulises Razo-Mendivil, Miguel Rubio-Godoy
As part of ongoing surveys of the gyrodactylid parasite fauna of freshwater fishes in Mexico, we recorded the infection of three species of poeciliids (Poecilia mexicana, Poeciliopsis gracilis, and Pseudoxiphophorus bimaculatus [syn.=Heterandria bimaculata]) with Gyrodactylus cichlidarum, a monogenean parasite of cichlid fishes, which has been co-introduced globally with its translocated, African "tilapia" hosts. This tilapia pathogen was found on poeciliid fishes both within their native distribution range in the Gulf of Mexico slope, as well as on invasive species artificially introduced to the Mexican highlands, to rivers draining into the Pacific Ocean...
February 15, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28215613/examining-the-utility-of-coral-ba-ca-as-a-proxy-for-river-discharge-and-hydroclimate-variability-at-coiba-island-gulf-of-chirqu%C3%A3-panam%C3%A3
#5
Logan D Brenner, Braddock K Linsley, Robert B Dunbar
Panamá's extreme hydroclimate seasonality is driven by Intertropical Convergence Zone rainfall and resulting runoff. River discharge (Q) carries terrestrially-derived barium to coastal waters that can be recorded in coral. We present a Ba/Ca record (1996-1917) generated from a Porites coral colony in the Gulf of Chiriquí near Coiba Island (Panamá) to understand regional hydroclimate. Here coral Ba/Ca is correlated to instrumental Q (R=0.67, p<0.001), producing a seasonally-resolved Reduced Major Axis regression of Ba/Ca (μmol/mol)=Q (m(3)/s)×0...
February 15, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28214010/associations-between-metal-exposure-and-lesion-formation-in-offshore-gulf-of-mexico-fishes-collected-after-the-deepwater-horizon-oil-spill
#6
Jennifer E Granneman, David L Jones, Ernst B Peebles
The objectives of this study were to: (1) examine patterns of short- and long-term metal exposure within the otoliths of six offshore fish species in varying states of health, as indicated by the presence of external skin lesions, and (2) determine if there was a change in otolith metal concentrations concurrent with the Deepwater Horizon (DWH) oil spill. Otoliths collected from 2011 to 2013 in the Gulf of Mexico (GOM) were analyzed for a suite of trace metals known to be associated with DWH oil. We found that lesioned fish often had elevated levels of otolith (60)Ni and (64)Zn before, during, and after the DWH oil spill...
February 14, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28213662/desulfobulbus-aggregans-sp-nov-a-novel-sulfate-reducing-bacterium-isolated-from-marine-sediment-from-the-gulf-of-gabes
#7
Hanen Kharrat, Fatma Karray, Manon Bartoli, Wajdi Ben Hnia, Najla Mhiri, Marie-Laure Fardeau, Feten Bennour, Lotfi Kamoun, Didier Alazard, Sami Sayadi
Three sulfate-reducing bacterial strains designated SM40(T), SM41, and SM43 were isolated from marine sediment in the region of Skhira located in the Gulf of Gabes (Tunisia). These strains grew in anaerobic media with phosphogypsum as a sulfate source and sodium lactate as an electron and carbon source. One of them, strain SM40(T), was characterized by phenotypic and phylogenetic methods. Cells were ovoid, Gram-stain-negative and non-motile. The temperature limits for growth were 10 and 55 °C with an optimum at 35 °C and the pH range was 6...
February 17, 2017: Current Microbiology
https://www.readbyqxmd.com/read/28209476/the-role-of-a-psp-producing-alexandrium-bloom-in-an-unprecedented-diamondback-terrapin-malaclemys-terrapin-mortality-event-in-flanders-bay-new-york-usa
#8
Theresa K Hattenrath-Lehmann, Robert J Ossiboff, Craig A Burnell, Carlton D Rauschenberg, Kevin Hynes, Russell L Burke, Elizabeth M Bunting, Kim Durham, Christopher J Gobler
Diamondback terrapins (Malaclemys terrapin) are a threatened or endangered species in much of their range along the U.S. Atlantic and Gulf coasts. Over an approximately three-week period from late April to mid-May 2015, hundreds of adult diamondback terrapins were found dead on the shores of Flanders Bay, Long Island, New York, USA. Concurrent with the mortality event, elevated densities of the paralytic shellfish toxin (PST)-producing dinoflagellate, Alexandrium fundyense (>10(4) cells L(-1)) and high levels of PST in bivalves (maximal levels = 540 μg STX eq...
February 14, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28209363/origin-and-distribution-of-hydrocarbons-and-organic-matter-in-the-surficial-sediments-of-the-sfax-kerkennah-channel-tunisia-southern-mediterranean-sea
#9
Hatem Zaghden, Marc Tedetti, Sami Sayadi, Mohamed Moncef Serbaji, Boubaker Elleuch, Alain Saliot
We investigated the origin and distribution of aliphatic and polycyclic aromatic hydrocarbons (AHs and PAHs) and organic matter (OM) in surficial sediments of the Sfax-Kerkennah channel in the Gulf of Gabès (Tunisia, Southern Mediterranean Sea). TOC, AH and PAH concentrations ranged 2.3-11.7%, 8-174μgg(-1)sed.dw and 175-10,769ngg(-1)sed.dw, respectively. The lowest concentrations were recorded in the channel (medium sand sediment) and the highest ones in the Sfax harbor (very fine sand sediment). AHs, PAHs and TOC were not correlated for most of the stations...
February 13, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28202274/marine-debris-in-five-national-parks-in-alaska
#10
L Polasek, J Bering, H Kim, P Neitlich, B Pister, M Terwilliger, K Nicolato, C Turner, T Jones
Marine debris is a management issue with ecological and recreational impacts for agencies, especially on remote beaches not accessible by road. This project was implemented to remove and document marine debris from five coastal National Park Service units in Alaska. Approximately 80km of coastline were cleaned with over 10,000kg of debris collected. Marine debris was found at all 28 beaches surveyed. Hard plastics were found on every beach and foam was found at every beach except one. Rope/netting was the next most commonly found category, present at 23 beaches...
February 12, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28196651/trace-element-concentrations-in-reef-associated-sediments-of-koswari-island-gulf-of-mannar-biosphere-reserve-southeast-coast-of-india
#11
S Krishnakumar, S Ramasamy, N Chandrasekar, T Simon Peter, V Gopal, Prince S Godson, N S Magesh
Extensive field work was conducted in order to assess the sediment pollution level and potential ecological risk on coral reef ecosystem. Thirty three surface sample was collected using grid sampling technique. The calcium carbonate and organic matter were primarily controlled by the distribution of coral rubbles and seagrass meadows. The concentration of trace elements is higher than the crustal average in few locations and the same result was derived from index calculations. However, the significant concentration of lead was observed throughout the study area...
February 11, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28195203/reproductive-strategies-of-the-coral-turbinaria-reniformis-in-the-northern-gulf-of-aqaba-red-sea
#12
Hanna Rapuano, Itzchak Brickner, Tom Shlesinger, Efrat Meroz-Fine, Raz Tamir, Yossi Loya
Here we describe for the first time the reproductive biology of the scleractinian coral Turbinaria reniformis studied during three years at the coral reefs of Eilat and Aqaba. We also investigated the possibility of sex change in individually tagged colonies followed over a period of 12 years. T. reniformis was found to be a stable gonochorist (no detected sex change) that reproduces by broadcast spawning 5-6 nights after the full moon of June and July. Spawning was highly synchronized between individuals in the field and in the lab...
February 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28187671/-i-gobiesox-i-i-lanceolatus-i-a-new-species-of-clingfish-teleostei-%C3%A2-gobiesocidae-from-los-frailes-submarine-canyon-gulf-of-california-mexico
#13
Philip A Hastings, Kevin W Conway
Gobiesox lanceolatus is described from a single specimen collected from 300 meters depth in the Los Frailes submarine canyon in the southwestern Gulf of California. The "Canyon Clingfish" is unique within Gobiesox in having a lanceolate caudal fin, with the central rays longer than those above and below them. It is also distinguished by 14 dorsal-fin rays (first tiny and unsegmented), 11 anal-fin rays, 28 pectoral-fin rays, anus slightly closer to anal-fin origin than to posterior margin of pelvic disc, and dorsal-fin origin in front of vertical from anus...
January 17, 2017: Zootaxa
https://www.readbyqxmd.com/read/28187633/integrative-taxonomy-reveals-the-first-record-and-a-new-species-for-the-previously-monotypic-genus-i-tethytimea-i-tethyida-tethyidae-in-the-gulf-of-mexico
#14
José Antonio Cruz-Barraza, Cristina Vega, Enrique Ávila, Laura Elena Vázquez-Maldonado
The first record of the previous monotypic genus Tethytimea and the description of a new species from cryptic habitats of Gulf of Mexico are presented. Tethytimea carmelita sp. nov., is a red orange cushion shaped sponge (about 5 mm thick) with a tuberculate to granular surface. The spicular complement is formed by tylostyles (200-1120 µm length), smooth spheres (12.5-55 µm in diameter); megasters-spheroxyasters (12.5-90 µm in diameter); and micrasters in two categories: oxy-strongylasters (12.5-27.5 µm in diameter) and spherotylasters (2...
January 25, 2017: Zootaxa
https://www.readbyqxmd.com/read/28187630/sternaspidae-annelida-sedentaria-from-vietnam-with-description-of-three-new-species-and-clarification-of-some-morphological-features
#15
Anna E Zhadan, Alexander B Tzetlin, Sergio I Salazar-Vallejo
Five sternaspid species were found near Vietnam shores: Sternaspis britayevi sp. nov., S. costata von Marenzeller, 1879, S. nana sp. nov., S. papillosa sp. nov., and S. spinosa Sluiter 1882. Sternaspis britayevi is described from the shallow water in Vietnam inhabiting soft bottoms; it resembles S. spinosa described from Java and S. thorsoni Sendall & Salazar-Vallejo, 2013 described from the Persian Gulf, but differs in having a medially projected and markedly ribbed fan of the ventro-caudal shield and nearly parallel, distally widened and rounded branchial plates...
January 25, 2017: Zootaxa
https://www.readbyqxmd.com/read/28187590/-i-uroptychus-i-i-atlanticus-i-a-new-species-of-squat-lobster-crustacea-decapoda-anomura-chirostylidae-from-the-western-atlantic-ocean
#16
Keiji Baba, Mary K Wicksten
A new species of squat lobster, Uroptychus atlanticus, is described on the basis of a female specimen taken at a depth of 713-841 m in the southeastern Gulf of Mexico. The new species is readily distinguished from all known species of the genus from the western Atlantic by the very spinose carapace and pereopods, and a transverse row of spines on each of the abdominal tergites 1 and 2.
February 2, 2017: Zootaxa
https://www.readbyqxmd.com/read/28187561/five-new-species-of-grass-cicadas-in-the-genus-i-graminitigrina-i-hemiptera-%C3%A2-cicadidae-cicadettinae-cicadettini-from-queensland-and-northern-territory-australia-comparative-morphology-songs-behaviour-and-distributions
#17
A Ewart, L W Popple, K B R Hill
Five new species of small grass cicadas belonging to the genus Graminitigrina Ewart and Marques are described, together with detailed analyses of their calling songs. Four species occur in Queensland, G. aurora n. sp. from eastern central Queensland near Fairbairn Dam; G. flindensis n. sp. from central Queensland between Hughenden northwards for at least 108 km; G. einasleighi n. sp. from near The Lynd, Einasleigh River, northeastern Queensland; G. selwynensis n. sp. from the Selwyn Range, northwestern Queensland, at locations about 40 km east of Mount Isa and 25 km southwest of Cloncurry, this latter here transferred from G...
February 7, 2017: Zootaxa
https://www.readbyqxmd.com/read/28186138/the-spectral-and-spatial-distribution-of-light-pollution-in-the-waters-of-the-northern-gulf-of-aqaba-eilat
#18
Raz Tamir, Amit Lerner, Carynelisa Haspel, Zvy Dubinsky, David Iluz
The urbanization of the shores of the Gulf of Aqaba has exposed the marine environment there, including unique fringing coral reefs, to strong anthropogenic light sources. Here we present the first in situ measurements of artificial nighttime light under water in such an ecosystem, with irradiance measured in 12 wavelength bands, at 19 measurement stations spread over 44 square km, and at 30 depths down to 30-m depth. At 1-m depth, we find downwelling irradiance values that vary from 4.6 × 10(-4) μW cm(-2) nm(-1) 500 m from the city to 1 × 10(-6) μW cm(-2) nm(-1) in the center of the gulf (9...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28185821/public-response-to-mers-cov-in-the-middle-east-iphone-survey-in-six-countries
#19
Amani S Alqahtani, Harunor Rashid, Mada H Basyouni, Tariq M Alhawassi, Nasser F BinDhim
Gulf Cooperation Council (GCC) countries bear the heaviest brunt of MERS-CoV. This study aims to compare public awareness and practice around MERS-CoV across GCC countries. A cross-sectional survey was conducted using the Gulf Indicators (GI) smartphone app among people in the six GCC countries, namely Saudi Arabia, Kuwait, the United Arab Emirates, Qatar, Bahrain, and Oman. A total of 1812 participants recruited. All were aware of MERS-CoV, yet the perception and practice around MERS-CoV varied widely between countries...
February 6, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28185147/incompatible-with-care-examining-trisomy-18-medical-discourse-and-families-counter-discourse-for-recuperative-ethos
#20
Megan J Thorvilson, Adam J Copeland
Parents whose child is diagnosed with a serious disease such as trisomy 18 first rely on the medical community for an accurate description and prognosis. In the case of trisomy 18, however, many families are told the disease is "incompatible with life" even though some children with the condition live for several years. This paper considers parents' response to current medical discourse concerning trisomy 18 by examining blogs written by the parents of those diagnosed. Using interpretive humanistic reading and foregrounding Cathryn Molloy's recuperative ethos theory (2015), we find that parents demonstrate recuperative ethos in response to physicians' descriptions of trisomy 18, particularly in rhetoric addressing survival, medicalized language, and religious and/or spiritual rhetoric...
February 10, 2017: Journal of Medical Humanities
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