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  • 1
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    Phytoplankton response to N-rich well amelioration brines: A mesocosm study from the southeastern Mediterranean Sea (2019)
    Elsevier
    Details
    Publikationsdatum: 2019
    Beschreibung: 〈p〉Publication date: September 2019〈/p〉 〈p〉〈b〉Source:〈/b〉 Marine Pollution Bulletin, Volume 146〈/p〉 〈p〉Author(s): Ofrat Raveh, Dror L. Angel, Peleg Astrahan, Natalia Belkin, Edo Bar-Zeev, Eyal Rahav〈/p〉 〈div xml:lang="en"〉 〈h5〉Abstract〈/h5〉 〈div〉〈p〉Human-induced eutrophication of coastal water may be a major threat to aquatic life. Here, we investigated the effects of N-rich well amelioration brines (WAB) on coastal phytoplankton population's habitat in the surface oligotrophic waters of the southeastern Mediterranean Sea (SEM). To this end, we added WAB (2 concentrations) to mesocosms (1-m〈sup〉3〈/sup〉 bags) to surface SEM water during summer and winter, where changes in phytoplankton biomass, activity and diversity was monitored daily for 8 days. Our results demonstrate that WAB addition triggered a phytoplankton bloom, resulting in elevated algal biomass (maximal +780%), increased primary production rates (maximal +675%) and a decrease in eukaryotic algal α-diversity (〈em〉ca〈/em〉. −20%). Among the species that bloomed following WAB amendments, we found the potentially toxic dinoflagellate 〈em〉Karlodinium venificum〈/em〉. This study adds valuable perspective to the effect of nutrients discharged into nutrient limited SEM coastal waters, and in particular of N-derived WAB.〈/p〉〈/div〉 〈/div〉 〈div xml:lang="en"〉 〈h5〉Graphical abstract〈/h5〉 〈div〉〈p〉〈figure〉〈img src="https://ars.els-cdn.com/content/image/1-s2.0-S0025326X19305132-ga1.jpg" width="301" alt="Unlabelled Image" title="Unlabelled Image"〉〈/figure〉〈/p〉〈/div〉 〈/div〉
    Print ISSN: 0025-326X
    Digitale ISSN: 1879-3363
    Thema: Biologie , Energietechnik
    Publiziert von Elsevier
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
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    Spatial monitoring of metals and As in coastal sediments of northern Chile: An evaluation of background values for the analysis of local environmental conditions (2019)
    Elsevier
    Details
    Publikationsdatum: 2019
    Beschreibung: 〈p〉Publication date: August 2019〈/p〉 〈p〉〈b〉Source:〈/b〉 Marine Pollution Bulletin, Volume 145〈/p〉 〈p〉Author(s): Jorge Valdés, Joseline S. Tapia〈/p〉 〈div xml:lang="en"〉 〈h5〉Abstract〈/h5〉 〈div〉 〈p〉To assess environmental conditions along the coast of northern Chile, 457 sediment samples were collected between 22° S and 28° S in order to evaluate the Cu, Zn, Pb, Ni, V, Cd, As and Al content as well as its corresponding relationship to nearby anthropogenic activities. In general, the results of most metals showed that bays without industrial activity accumulate lower concentrations of contaminant elements in the sediments and thus mostly represent natural conditions. The highest Cu, Pb and V levels were measured in coastal zones were different industrial mining activities have been developed during the last decades.〈/p〉 〈p〉Results of different indices of environmental evaluation and ecological impact suggest that, metal content of sediments from pollution-free zones characterized by similar oceanographic and geological conditions to those under study, would be the most appropriate background level for assessing the anthropogenic impact on coastal areas of northern Chile.〈/p〉 〈/div〉 〈/div〉 〈div xml:lang="en"〉 〈h5〉Graphical abstract〈/h5〉 〈div〉〈p〉〈figure〉〈img src="https://ars.els-cdn.com/content/image/1-s2.0-S0025326X19304825-ga1.jpg" width="301" alt="Unlabelled Image" title="Unlabelled Image"〉〈/figure〉〈/p〉〈/div〉 〈/div〉
    Print ISSN: 0025-326X
    Digitale ISSN: 1879-3363
    Thema: Biologie , Energietechnik
    Publiziert von Elsevier
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  • 3
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    Muscle melanisation in sand flathead (Platycephalus bassensis) and links to elevated zinc levels (2019)
    Elsevier
    Details
    Publikationsdatum: 2019
    Beschreibung: 〈p〉Publication date: December 2019〈/p〉 〈p〉〈b〉Source:〈/b〉 Marine Pollution Bulletin, Volume 149〈/p〉 〈p〉Author(s): Chun Kit Ooi, Michael Ware, Trevor Lewis, Jeremy Lyle, Barbara F. Nowak〈/p〉 〈div xml:lang="en"〉 〈h5〉Abstract〈/h5〉 〈div〉〈p〉Melanisation of muscle, observed as black pigmentation of the normally white flesh, has been reported in sand flathead from Tasmania and investigated in this study. There was a significant difference in the presence of melanised muscle in sand flathead from two sites within the Tamar Estuary (northern Tasmania), with higher proportion of sand flathead from Deceitful Cove with this condition. Presence of melanisation was not related to length or weight of the fish. No parasitic infections were detected in the muscles of the affected sand flathead. However, concentration of zinc in melanised regions of muscle in the affected fish was significantly higher, about 1.7 to 1.8 times, than non-melanised regions of muscle in the same fish. Furthermore, the concentration of zinc in melanised regions of affected fish was on average about 2.0 times higher when compared to muscle of unaffected fish that had no melanised spots.〈/p〉〈/div〉 〈/div〉
    Print ISSN: 0025-326X
    Digitale ISSN: 1879-3363
    Thema: Biologie , Energietechnik
    Publiziert von Elsevier
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  • 4
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    Characterization of North–Western Mediterranean coralligenous assemblages by video surveys and evaluation of their structural complexity (2019)
    Elsevier
    Details
    Publikationsdatum: 2019
    Beschreibung: 〈p〉Publication date: November 2019〈/p〉 〈p〉〈b〉Source:〈/b〉 Marine Pollution Bulletin, Volume 148〈/p〉 〈p〉Author(s): Laura Valisano, Marco Palma, Ubaldo Pantaleo, Barbara Calcinai, Carlo Cerrano〈/p〉 〈h5〉Abstract〈/h5〉 〈div〉〈p〉Thanks to several European directives and conventions there is a general increase of awareness regarding the key ecological role of coralligenous habitats in the Mediterranean Sea, addressing several research projects to standardize protocols for the description of its integrity. Here we surveyed 13 stations along the Italian coasts of the Western Mediterranean Sea, using video-transects technique, comparing the biological structure of coralligenous assemblages and testing the importance of their three-dimensional complexity as a proxy to define their health conditions. We considered the diversity of taxa, fishing impacts and the entity of damage on gorgonian's choenenchyme due to thermal stress, to evidence a gradient in the coralligenous health conditions. Here we developed a method to evaluate coralligenous complexity, selecting categories of taxa particularly sensitive to multiple stressors, named Structural Descriptors to describe the three-dimensional structure of the bioconcretions and to assess a unique Index of 3D - Structural Complexity.〈/p〉〈/div〉
    Print ISSN: 0025-326X
    Digitale ISSN: 1879-3363
    Thema: Biologie , Energietechnik
    Publiziert von Elsevier
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  • 5
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    The occurrence of sulfonamide and quinolone resistance genes at the Fildes Peninsula in Antarctica (2019)
    Elsevier
    Details
    Publikationsdatum: 2019
    Beschreibung: 〈p〉Publication date: December 2019〈/p〉 〈p〉〈b〉Source:〈/b〉 Marine Pollution Bulletin, Volume 149〈/p〉 〈p〉Author(s): Guangshui Na, Caixia Wang, Hui Gao, Ruijing Li, Shuaichen Jin, Wanli Zhang, Humin Zong〈/p〉 〈div xml:lang="en"〉 〈h5〉Abstract〈/h5〉 〈div〉〈p〉Antibiotic resistance pollution is globalizing. However, little quantitative data exists regarding the occurrence of antibiotic resistance genes (ARGs) in Antarctica, which is central to assessing the level of global contamination of ARGs. Soil, sediment, and animal feces were sampled from 12 sites in the Fildes Peninsula in January and February 2017. The occurrence and distribution of 〈em〉qnr〈/em〉S, 〈em〉sul〈/em〉1 and 〈em〉sul〈/em〉2 were investigated. The results showed that 〈em〉sul〈/em〉1 was the predominant ARG and that all the ARGs were detected in animal feces. The total absolute abundance of the ARGs in animal feces (5.86 × 10〈sup〉7〈/sup〉 copies) was the highest. Strong and positive correlations between 〈em〉sul〈/em〉1 and 〈em〉int〈/em〉1 were found, indicating that 〈em〉int〈/em〉1 might play an important role in the creation and spread of ARGs. This data and the analysis are critical for filling the data gap regarding ARGs in Antarctica and for improving understanding of the globalization of antibiotic resistance pollution.〈/p〉〈/div〉 〈/div〉
    Print ISSN: 0025-326X
    Digitale ISSN: 1879-3363
    Thema: Biologie , Energietechnik
    Publiziert von Elsevier
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  • 6
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    The impact of improper solid waste management to plastic pollution in Indonesian coast and marine environment (2019)
    Elsevier
    Details
    Publikationsdatum: 2019
    Beschreibung: 〈p〉Publication date: December 2019〈/p〉 〈p〉〈b〉Source:〈/b〉 Marine Pollution Bulletin, Volume 149〈/p〉 〈p〉Author(s): Prieskarinda Lestari, Yulinah Trihadiningrum〈/p〉 〈div xml:lang="en"〉 〈h5〉Abstract〈/h5〉 〈div〉〈p〉Plastic pollution has become a major concern in Indonesian coast and marine environment today. It occurs because 14% of the solid waste (SW) components in this country is plastic, and the SW management (SWM) infrastructure and services are still limited. The objectives of this article are to discuss the improper SWM and its impact to plastic pollution in Indonesia. Ten plastic pollution studies concerning macroplastics (MaP) and microplastics (MP) were described. These studies covered 5 regions, namely Java, East Nusa Tenggara, East Kalimantan, South Sulawesi, North and Southwest Sumatera. The highest MP abundance of 37,440–38,790 particles/kg dry weight (DW) sediment was found in Jakarta Bay, followed by Wonorejo Coast in Surabaya City (414–590 MP particles/kg DW sediment). The MP has entered the food chain through bivalves and fish. Therefore, the plastic pollution which is related to population density, and inadequacy of SWM, needs urgent solution.〈/p〉〈/div〉 〈/div〉
    Print ISSN: 0025-326X
    Digitale ISSN: 1879-3363
    Thema: Biologie , Energietechnik
    Publiziert von Elsevier
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  • 7
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    Sorption of tri-n-butyl phosphate and tris(2-chloroethyl) phosphate on polyethylene and polyvinyl chloride microplastics in seawater (2019)
    Elsevier
    Details
    Publikationsdatum: 2019
    Beschreibung: 〈p〉Publication date: December 2019〈/p〉 〈p〉〈b〉Source:〈/b〉 Marine Pollution Bulletin, Volume 149〈/p〉 〈p〉Author(s): Shuiping Chen, Zhirong Tan, Yongsheng Qi, Congcong Ouyang〈/p〉 〈div xml:lang="en"〉 〈h5〉Abstract〈/h5〉 〈div〉〈p〉Microplastics and organophosphate esters are ubiquitous pollutants in the marine environment. However, their interactions are poorly understood. In the present study, the sorptions of tri-n-butyl phosphate (TnBP) and tris(2-chloroethyl) phosphate (TCEP) on polyethylene (PE) and polyvinyl chloride (PVC) microplastics in seawater were investigated. Results indicated that the first-order kinetic model and pseudo-second-order were suitable to describe PE and PVC microparticles for the adsorption of the two organophosphate esters, respectively. The adsorption capacity increased with the decrease in particle size. The highest adsorption capacity appeared at 15 °C. The equilibrium isotherms data for the adsorption of the two organophosphate esters on PVC and PE microplastics were best fitted with Freundlich isotherm model and Langmuir isotherm model, respectively. The pore-filling mechanism involved in the adsorption of TnBP and TCEP on PVC microplastics and the monolayer coverage was the predominant mechanism for the adsorption of TnBP and TCEP on PE microplastics.〈/p〉〈/div〉 〈/div〉
    Print ISSN: 0025-326X
    Digitale ISSN: 1879-3363
    Thema: Biologie , Energietechnik
    Publiziert von Elsevier
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  • 8
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    Trace element contamination in marine sediments along the southeast Indian shelf following Cyclone Gaja (2019)
    Elsevier
    Details
    Publikationsdatum: 2019
    Beschreibung: 〈p〉Publication date: December 2019〈/p〉 〈p〉〈b〉Source:〈/b〉 Marine Pollution Bulletin, Volume 149〈/p〉 〈p〉Author(s): V. Gopal, R.R. Krishnamurthy, Prasenjeet Chakraborty, N.S. Magesh, M. Jayaprakash〈/p〉 〈div xml:lang="en"〉 〈h5〉Abstract〈/h5〉 〈div〉 〈p〉In this study, twenty seven surface sediments were collected off Pushpavanam, Nagapattinam coast, southeast coast of India for understanding the sedimentological and geochemical behaviour after the Cyclone Gaja. The sediment samples were analysed for texture, organic matter (OM), carbonates, and trace metals such as Cr, Cu, Zn, Ni, Co including Fe and Mn. The Geoaccumulation index, contamination factor, enrichment factor and pollution load index revealed that Cu, Zn, Ni and Co is highly contaminated in the study area. Fe and Cr are moderately to considerably contaminated, while Mn shows uncontaminated.〈/p〉 〈p〉The principal component analysis also confirms the concentration of Cu, Zn, Ni and Co were mainly derived from the anthropogenic sources and related activities. Since Cyclones like Gaja often causes frequent ecological disturbance to the coastal environments and it distributes pollutants such as trace elements from localized area of contamination to offshore.〈/p〉 〈/div〉 〈/div〉
    Print ISSN: 0025-326X
    Digitale ISSN: 1879-3363
    Thema: Biologie , Energietechnik
    Publiziert von Elsevier
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  • 9
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    Size-dependent elimination of ingested microplastics in the Mediterranean mussel Mytilus galloprovincialis (2019)
    Elsevier
    Details
    Publikationsdatum: 2019
    Beschreibung: 〈p〉Publication date: December 2019〈/p〉 〈p〉〈b〉Source:〈/b〉 Marine Pollution Bulletin, Volume 149〈/p〉 〈p〉Author(s): Azusa Kinjo, Kaoruko Mizukawa, Hideshige Takada, Koji Inoue〈/p〉 〈div xml:lang="en"〉 〈h5〉Abstract〈/h5〉 〈div〉〈p〉Filter feeding organisms have been reported to ingest microplastics (MP) in marine environments. However, information regarding how long the ingested MPs are retained in their digestive tracts remains limited. Here, we report the gut retention time (GRT〈sub〉90〈/sub〉) and the long-term egestion time of three different sized polystyrene microspheres (1, 10, and 90 μm) in the Mediterranean mussel 〈em〉Mytilus galloprovincialis〈/em〉. We found significant differences in GRT〈sub〉90〈/sub〉 with respect to MP size. With respect to the long-term egestion of MPs, most of the smaller MPs were excreted immediately, although some were detected intermittently until day 40. In comparison, larger MPs were slowly excreted in bulk, after which they were not detected. The results indicate that different sized MPs are retained differently in the digestive tract of mussels. The size-dependent effects of MPs should thus be considered when evaluating the effects of MPs in mussels.〈/p〉〈/div〉 〈/div〉
    Print ISSN: 0025-326X
    Digitale ISSN: 1879-3363
    Thema: Biologie , Energietechnik
    Publiziert von Elsevier
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  • 10
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    Low abundance of floating marine debris in the northern Baltic Sea (2019)
    Elsevier
    Details
    Publikationsdatum: 2019
    Beschreibung: 〈p〉Publication date: December 2019〈/p〉 〈p〉〈b〉Source:〈/b〉 Marine Pollution Bulletin, Volume 149〈/p〉 〈p〉Author(s): Eva Rothäusler, Veijo Jormalainen, Lars Gutow, Martin Thiel〈/p〉 〈div xml:lang="en"〉 〈h5〉Abstract〈/h5〉 〈div〉〈p〉We determined the spatial and seasonal distribution of Floating Marine Debris (FMD) by visual ship surveys across the northern Baltic Sea between Finland and Sweden. FMD density was comparatively low, and we found the highest debris density close to major port cities. The seasonal variation in debris density was not pronounced although we observed more FMD items during the summer surveys. Plastic bags were the most common identifiable litter items, and we also found other consumer items (plastic bottles and cups). Styrofoam items suggest fishing or aquaculture activities as potential sea-based sources of FMD. These are the first data on FMD density in the Baltic Sea, and they are substantially lower than those reported for other coastal waters, which may be due to (i) lower human population densities, and (ii) higher environmental awareness in the Scandinavian countries.〈/p〉〈/div〉 〈/div〉
    Print ISSN: 0025-326X
    Digitale ISSN: 1879-3363
    Thema: Biologie , Energietechnik
    Publiziert von Elsevier
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