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Marine Pollution Bulletin

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https://read.qxmd.com/read/30926267/dinoflagellate-resting-cysts-from-surface-sediments-of-the-adriatic-ports-distribution-and-potential-spreading-patterns
#1
Elena Di Poi, Romina Kraus, Marina Cabrini, Stefania Finotto, Vesna Flander-Putrle, Mateja Grego, Nataša Kužat, Živana Ninčević Gladan, Laura Pezzolesi, Elena Riccardi, Fabrizio Bernardi Aubry, Mauro Bastianini
The ability of microalgae to preserve viable in coastal sediments as resting forms provides a reservoir of biodiversity and a useful tool to determine species spreadings. This study represents the first port baseline survey on dinoflagellate cysts, investigated in nine Adriatic ports during a cross border project. 40 dinoflagellate taxa were detected. The assemblages resulted in all ports dominated by Lingulodinium polyedra and Alexandrium minutum/affine/tamutum group. General separation to the western and eastern side of the Adriatic regarding cysts assemblage composition, partially abundance, was observed...
March 26, 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30824304/macrozoobenthos-in-the-adriatic-sea-ports-soft-bottom-communities-with-an-overview-of-non-indigenous-species
#2
A Travizi, I Balković, T Bacci, F Bertasi, C Cuicchi, V Flander-Putrle, F Grati, L Grossi, A Jaklin, L Lipej, B Mavrič, B Mikac, V Marusso, L Montagnini, V Nerlović, M Penna, V Salvalaggio, A Santelli, T Scirocco, A Spagnolo, B Trabucco, D Vani
The present paper is a contribution to the first initiative of the Port Baseline Survey (PBS) for Non-indigenous species (NIS) in the Mediterranean Sea. It presents a report on the soft-bottom macrobenthos from the five Adriatic ports: Bari, Ancona (Italy), Koper (Slovenia), Pula, Rijeka (Croatia), with a focus on the presence and contribution of NIS to native assemblages. Out of 451 species identified, only four were common to all ports. A total of eight NIS were recorded, five in surveyed ports and three in the lagoon connected to the Port of Koper...
February 26, 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955786/dilution-characteristics-of-riverine-input-contaminants-in-the-seto-inland-sea
#3
Junying Zhu, Xinyu Guo, Jie Shi, Huiwang Gao
Riverine input is an important source of contaminants in the marine environments. Based on a hydrodynamic model, the dilution characteristics of riverine contaminants in the Seto Inland Sea and their controlling factors were studied. Results showed that contaminant concentration was high in summer and low in winter. Contaminant concentration decreased with the reduction of its half-life period, and the relationship between them followed power functions. Sensitivity experiments suggested that the horizontal current and vertical stratification associated with air-sea heat flux controlled the seasonal cycle of contaminant concentration in the water column; however, surface wind velocity was the dominant factor affecting the surface contaminant concentration...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955785/microplastic-pollution-in-the-surface-sediments-collected-from-sishili-bay-north-yellow-sea-china
#4
Bin Zhang, Di Wu, Xin Yang, Jia Teng, Yongliang Liu, Chen Zhang, Jianmin Zhao, Xiaonan Yin, Liping You, Yanfang Liu, Qing Wang
As a new emergence pollutant, microplastic has aroused wide concern from both scholars and the public. In this study, microplastic pollution in surface sediments from 28 stations in Sishili Bay was investigated. The average abundance of microplastics was 499.76 ± 370.07 items/kg (d.w.). Fiber was the majority shape of microplastics (86.37%), followed by film, fragment and pellet. Microplastics <500 μm accounted for more than half of the total microplastics. Eight polymer types including rayon, PE, PP, PA, PET, PS, PMMA and PU were identified...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955784/remediation-efficiency-of-different-methods-for-rapid-response-of-microbiological-and-or-organic-matter-contaminated-beach-sand-a-laboratory-study
#5
Renan C Testolin, André O S Lima, Jéssica M Strutz, Rogério Corrêa, Gabriel Poyer-Radetski, Lucas Cesconetto, Amira Felde, Claudemir M Radetski
In this article we compare the efficiency of different methods of rapid-response remediation of beach sand contaminated with microbiological and/or organic matter. Contaminated beach sands were treated in laboratory by different treatment methods (i.e., oxidation, UV-photoexposure, or thermal methods) and the efficiency of disinfection and breakdown of organic matter were evaluated. Contaminants in raw and treated beach sands were measured by membrane filtration method, and by chemical and biochemical oxygen demand, and chromatographic analysis...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955783/stranded-whale-shark-rhincodon-typus-reveals-vulnerability-of-filter-feeding-elasmobranchs-to-marine-litter-in-the-philippines
#6
Neil Angelo S Abreo, Darrell Blatchley, Michael Dann Superio
Marine litter has adversely affected many marine species. However, information on its impacts on filter-feeding elasmobranchs (such as the whale shark, Rhinocodon typus) is scarce. The Philippines is an essential habitat for whale sharks, and the lack of data on marine litter and its effects on these organisms in the country is concerning. Beached carcasses present opportunities to provide useful data and insights on the issue. On the 7th August 2018, a live whale shark was found beached in Tagum City, the Philippines, and it eventually died...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955782/effects-of-ocean-warming-and-acidification-on-fertilization-success-and-early-larval-development-in-the-green-sea-urchin-lytechinus-variegatus
#7
Brittney Lenz, Nicole D Fogarty, Joana Figueiredo
Ocean acidification and warming are predicted to affect the early life of many marine organisms, but their effects can be synergistic or antagonistic. This study assessed the combined effects of near-future (2100) ocean acidification (pH 7.8) and warming (+3 °C) on the fertilization, larval development and growth of the green sea urchin, Lytechinus variegatus, common in tropical reefs of Florida and the Caribbean. Acidification had no effect on fertilization, but delayed larval development, stunted growth, and increased asymmetry...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955781/the-important-role-of-marine-debris-networks-to-prevent-and-reduce-ocean-plastic-pollution
#8
J H Kandziora, N van Toulon, P Sobral, H L Taylor, A J Ribbink, J R Jambeck, S Werner
Societal change is needed to prevent and reduce the growth in the amount of solid waste entering the sea. Marine debris networks cover a broad range of activities in order to protect our oceans. By following a common vision and a collective systematic approach they are capable of creating synergies between all relevant stakeholders that result in reducing the flow of waste into our oceans. Thus, they are key to achieving the Sustainable Development Goals. During the 6th International Marine Debris Conference in San Diego in 2018, different marine debris networks from different parts of the world presented their activities, achievements and challenges...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955780/corrigendum-resistance-to-antimicrobial-agents-among-enterococci-isolated-from-fecal-samples-of-wild-marine-species-in-the-southern-coast-of-brazil-mar-pollut-bull-105-2016-51-57
#9
Janira Prichula, Rebeca Inhoque Pereira, Guilherme Raffo Wachholz, Leonardo Almansa Cardoso, Neidimar Cezar Correa Tolfo, Naiara Aguiar Santestevan, Aline Weber Medeiros, Maurício Tavares, Jeverson Frazzon, Pedro Alves d'Azevedo, Ana Paula Guedes Frazzon
No abstract text is available yet for this article.
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955779/synergistic-reduction-of-a-native-key-herbivore-performance-by-two-non-indigenous-invasive-algae
#10
Tomás Vega Fernández, Fabio Badalamenti, Chiara Bonaviri, Francesco Di Trapani, Paola Gianguzza, Simona Noè, Luigi Musco
Native generalist grazers can control the populations of non-indigenous invasive algae (NIIA). Here, it was found that the simultaneous consumption of two co-occurring NIIA, Caulerpa cylindracea and C. taxifolia var. distichophylla, hinders the grazing ability of the main Mediterranean herbivorous, the native sea urchin Paracentrotus lividus. The ingestion of any of the two NIIA alone did not produce any difference in sea urchin righting time with respect to usual algal diet. In contrast, the simultaneous consumption of both NIIA, which grow intermingled in nature and are consumed by P...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955778/free-living-dinoflagellates-of-the-central-red-sea-saudi-arabia-variability-new-records-and-potentially-harmful-species
#11
Danang Ambar Prabowo, Susana Agusti
The diversity of free-living dinoflagellates in the coastal areas of the central Red Sea, Saudi Arabia, was studied from April 2016 to March 2017. A total of 106 dinoflagellates belonging to 36 genera, 20 families and 7 orders were identified and characterized using light microscopy. Of these, 47 taxa were potentially harmful, and 60 taxa were recorded for the first time from the Red Sea. The unexpectedly high species diversity, including new records, was due to the benthic species. The monthly variability of planktonic species records exhibited negative correlations with temperature and salinity, although in most cases, the links between them were insignificant...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955777/caribbean-gorgonian-octocorals-cope-with-nutrient-enrichment
#12
Mark McCauley, Tamar L Goulet
Corals inhabit oligotrophic waters, thriving amidst limited nutrients such as nitrogen and phosphorous. When nutrient levels increase, usually due to human activity, the symbiosis of dinoflagellates (family Symbiodiniaceae) with scleractinian corals can break down. Although gorgonian corals dominate many Caribbean reefs, the impact of enrichment on them and their algae is understudied. We exposed two gorgonian species, Pseudoplexaura porosa and Eunicea tourneforti, to elevated concentrations of either ammonium (10 μM or 50 μM) or phosphate (4 μM)...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955776/environmental-status-of-israel-s-mediterranean-coastal-waters-setting-reference-conditions-and-thresholds-for-nutrients-chlorophyll-a-and-suspended-particulate-matter
#13
Nurit Kress, Eyal Rahav, Jacob Silverman, Barak Herut
Criteria for eutrophication related parameters to achieve and preserve good environmental status (GES) of the oligotrophic Israeli Mediterranean coast were proposed for nutrients, chlorophyll-a (Chl-a) and suspended particulate matter (SPM) concentrations. The criteria were derived from current conditions, the best choice for the area that has undergone large and irreversible ecological changes compared to the pristine background. A five-year data set (2010-2014, ca. 800 data points) was analyzed using statistical methods and best professional judgement...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955775/ongoing-biodegradation-of-deepwater-horizon-oil-in-beach-sands-insights-from-tracing-petroleum-carbon-into-microbial-biomass
#14
Joel T Bostic, Christoph Aeppli, Robert F Swarthout, Christopher M Reddy, Lori A Ziolkowski
No abstract text is available yet for this article.
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955774/phosphorus-chemical-speciation-and-seasonal-variations-in-surface-sediments-of-the-maowei-sea-northern-beibu-gulf
#15
Bin Yang, Jia-Bin Zhou, Dong-Liang Lu, Solomon Felix Dan, Dong Zhang, Wen-Lu Lan, Zhen-Jun Kang, Zhi-Ming Ning, Dong-Yang Cui
This study presents the distribution, seasonal variations and factors influencing phosphorus (P) forms in surface sediments from the Maowei Sea. P forms were measured using the sequential extraction (SEDEX) procedures. Inorganic P (IP) was the predominant chemical form of total P (TP). Fe-bound P (FeP) was the main IP form. Sediment particle sizes, organic matter distribution, terrestrial input and aquaculture activity were responsible for the seasonal variations of different forms of P in sediment. In summer, the average proportions of P fractions in TP followed the order of organic P (OP) > Fe-P > authigenic P (CaP) > detrital P (De-P) > exchangeable P (Ex-P); in winter, the corresponding order was OP > Fe-P > De-P > Ca-P > Ex-P...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955773/non-native-plant-species-in-the-atlantico-department-coastal-dune-systems-caribbean-of-colombia-a-new-management-challenge
#16
Adriana Gracia C, Nelson Rangel-Buitrago, Julian Dario Castro-Barros
Although coastal dunes exhibit typical vegetation which involves species adapted to extreme environmental conditions, the mobilization and colonization by non-native species represents a challenge in its conservation and management. In this work, eight dune systems located along the Atlantico Department, Caribbean coast of Colombia were surveyed, finding within them the presence of two plant species recognized as invasive: Calotropis procera and Cryptostegia madagascariensis. The impacts of these two invasive plant species can be significant at all ecological levels in the dune systems...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955772/characterising-the-deterioration-of-different-plastics-in-air-and-seawater
#17
Nicolas F A Biber, Andy Foggo, Richard C Thompson
In situ studies of plastic deterioration can help us understand the longevity of macroplastic as well as the generation of microplastics in the environment. Photo-oxidation contributing to the generation of microplastics in the marine environment was explored using four types of plastic (polyethene, polystyrene, poly(ethylene terephthalate) and Biothene® exposed in light and in shade, in both air and sea water. Metrics for deterioration were tensile extensibility and oxidation rate. Measurements were conducted at intervals between 7 and 600 days' exposure...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955771/exploring-bacterial-functionality-in-mangrove-sediments-and-its-capability-to-overcome-anthropogenic-activity
#18
Simone Raposo Cotta, Luana Lira Cadete, Jan Dirk van Elsas, Fernando Dini Andreote, Armando Cavalcante Franco Dias
Mangrove forests are highly productive yet vulnerable ecosystems that act as important carbon sinks ("blue carbon"). The objective of this work was to analyze the impact of anthropogenic activities on microbiome structure and functioning. The metagenomic analysis revealed that the taxonomic compositions were grossly similar across all mangrove microbiomes. Remarkably, these microbiomes, along the gradient of anthropogenic impact, showed fluctuations in the relative abundances of bacterial taxa predicted to be involved in sulfur cycling processes...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955770/generation-of-large-pollution-patches-via-collisions-of-sticky-floating-parcels-driven-by-wind-and-surface-currents
#19
Andrea Giudici, Jaan Kalda, Tarmo Soomere
We study the evolution of large systems of sticky patches of pollution that float on the sea surface and are moved around by realistic wind and simulated surface currents. The study area is the Gulf of Finland in the eastern Baltic Sea that hosts extremely heavy cargo and tanker traffic. It is assumed that patches merge at collision. Collisions are enhanced by wind impact that depends on the patch size. We implement a space partitioning algorithm for fast simulations of large systems of >8000 patches and perform a series of simulations with different initial size and location of the patches...
April 2019: Marine Pollution Bulletin
https://read.qxmd.com/read/30955769/do-beachrocks-affect-microplastic-deposition-on-the-strandline-of-sandy-beaches
#20
Lara M Pinheiro, Raqueline C P Monteiro, Juliana A Ivar do Sul, Monica F Costa
The strandline is one of the first deposition habitats of microplastics before they are integrated to the beach as a standing stock or finally removed. Beaches, entirely or partially protected by beachrocks, have different sediment dynamics and therefore may present variation in microplastic deposition. The aim of this work was to test if protected and unprotected (i.e., exposed to waves) areas of a sandy beach present different microplastic accumulation on the strandline - a habitat greatly influenced by both water and sediment dynamics...
April 2019: Marine Pollution Bulletin
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