Baseline of the butyltin distribution in surface sediments (0–20cm) of the Elbe estuary (Germany, 2011)

Wetzel, Markus A.; Winterscheid, Axel; Wahrendorf, Dierk-Steffen

doi:10.1016/j.marpolbul.2013.09.021

Cited by 17 publications

(5 citation statements)

References 43 publications

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“…Particle sizes were determined using a cascade of sieves with mesh sizes between 2 000 µm and 20 µm. Dry-sieving applied to fractions of ≥ 630 µm, whereas for smaller fractions wet-sieving in an ultrasonic bath was used (procedure according to [ 23 ]).…”

Section: Methodsmentioning

confidence: 99%

The importance of sediments in ecological quality assessment of stream headwaters: embryotoxicity along the Nidda River and its tributaries in Central Hesse, Germany

et al. 2018

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BackgroundAlthough the crucial importance of sediments in aquatic systems is well-known, sediments are often neglected as a factor in the evaluation of water quality assessment. To support and extend previous work in that field, this study was conducted to assess the impact of surface water and sediment on fish embryos in the case of a highly anthropogenically influenced river catchment in Central Hesse, Germany.ResultsThe results of 96 h post fertilisation fish embryo toxicity test with Danio rerio (according to OECD Guideline 236) revealed that river samples comprising both water and sediment exert pivotal effects in embryos, whereas surface water alone did not. The most prominent reactions were developmental delays and, to some extent, malformations of embryos. Developmental delays occurred at rates up to 100% in single runs. Malformation rates ranged mainly below 10% and never exceeded 25%.ConclusionA clear relationship between anthropogenic point sources and detected effects could not be established. However, the study illustrates the critical condition of the entire river system with respect to embryotoxic potentials present even at the most upstream test sites. In addition, the study stresses the necessity to take into account sediments for the evaluation of ecosystem health in industrialised areas.

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Section: Methodsmentioning

confidence: 99%

The importance of sediments in ecological quality assessment of stream headwaters: embryotoxicity along the Nidda River and its tributaries in Central Hesse, Germany

et al. 2018

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“…A baseline study of the TBT distribution in surface sediment of the Elbe estuary in 2011 ranged from 'undetectable' at the mouth to 100 µg TBT cation/kg sediment dw near the port of Hamburg (Wetzel et al, 2013; Sn to TBT cation conversion rate 2.44). At the 2003 and 2009 common sampling site BSC3, a 10-fold decrease in TBT levels was measured in the organism as well as in its habitat sediment.…”

Section: Tbt Levels In the Southern North Seamentioning

confidence: 99%

“…This paper assesses different aspects of TBT pollution in C. crangon in its main distribution range, the southern North Sea and does not focus on an overall review on TBT data and effects in the marine environment, as the TBT levels vary by a high factor in different locations. For comprehensive reviews, we refer to, among other (Evans et al, 1996;Fent, 1996;Champ, 2000;Birchenough et al, 2002;Stronckhorst and van Hattum, 2003;Antizar-Ladislao, 2008;Morton, 2009;Oliveira et al, 2009;Rodríguez et al, 2009;Sousa et al, 2009;Bengtsson and Wernersson, 2012;Sunday et al, 2012;Matthiessen, 2013;Wetzel et al, 2013;OSPAR, 2014;Langston et al, 2015;Nicolaus and Barry, 2015;Wilson et al, 2015;Schøyen et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

Tributyltin: A Bottom–Up Regulator of the Crangon crangon Population?

Parmentier

Verhaegen

Witte³

et al. 2019

Front. Mar. Sci.

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The restrictions and the concerted action of the global ban on the use and presence of tributyltin (TBT) in marine applications to protect ecosystems in the marine environment in 2008 was mainly based on the economic impact on shellfish industries and the dramatic extinction of local mollusk populations in the past. In contrast to the vast datasets on effects on mollusks, the knowledge on impacts on species from other taxa remained in the uncertain until almost two decades ago. The assumption on a long-term TBT-mediated pernicious metabolic bottom-up regulation of the crustacean Crangon crangon population was provoked by the outcome of an EU-project 'Sources, Consumer Exposure and Risks of Organotin Contamination in Seafood.' This study reported high TBT body burdens in C. crangon in 2003, at the start of the transition period to the global ban. Experimental research on the TBT impact in C. crangon focused on agonistic interference with natural ecdysteroid hormones at the metabolic pathways regulating growth and reproduction and the biogeochemical distribution of the chemical. In this paper, metabolic, topical and population-relevant biological endpoints in C. crangon and other crustaceans are evaluated in relation to the temporal and spatial trends on TBT's occurrence and distribution in the field during and after the introduction of the tributyltin restrictions and endocrine-related incidents. Arguments are forwarded to relate the German Bight incident on growth and reproduction failure in the C. crangon population, despite the lack of direct evidence, to the pernicious impact of tributyltin in 1990/91 and previous years. The extreme occurrence of TBT in C. crangon from other parts of the southern North Sea and evidence on the high body burdens as dose metrics of exposure also feeds the suspicion on detrimental impacts in those areas. This paper further demonstrates the complexity of distinguishing and assessing the individual roles of unrelated stressors on a population in an integrated evaluation at the ecosystem level.

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“…Although many published papers have demonstrated that TBT is adsorbed onto sediments preferably by binding with organic matter [10,11], contradictory results on the relationship between TBT levels and TOC in natural marine sediments can be found. Some authors stated that significant correlations exist between the TOC and TBT concentration [3,[37][38][39], while others found little or no correlation [13,32]. However, most of these data refer only to surface sediments; thus, they do not provide any information about the influence of organic matter on the TBT degradation over time.…”

Section: Sediment Characteristics As Parameters Controlling Tbt Degramentioning

confidence: 99%

“…Grain size can indirectly influence TBT adsorption by defining the amount of adsorbed organic matter because it is well established that fine fractions adsorb more organic molecules [32,41]. Consequently, some authors have demonstrated that sediments with a higher proportion of fine fraction (<63 m) adsorb more TBT [3,38,39]; however, contrasting results, i.e., showing no correlation, can also be found in the literature [32]. In our study the correlation between TOC and fine fraction (<2 m or <63 m) was not observed; thus, the results obtained do not allow us to evaluate the impact of grain size on TBT persistence in sediments either directly or indirectly through defining the amount of the adsorbed organic matter.…”

Section: Sediment Characteristics As Parameters Controlling Tbt Degramentioning

confidence: 99%

Organotin persistence in contaminated marine sediments and porewaters: In situ degradation study using species-specific stable isotopic tracers

Furdek

Mikac

Bueno

et al. 2016

Journal of Hazardous Materials

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This paper provides a comprehensive study of the persistence of butyltins and phenyltins in contaminated marine sediments and presents the first data on their degradation potentials in porewaters. The study's aim was to explain the different degradation efficiencies of organotin compounds (OTC) in contaminated sediments. The transformation processes of OTC in sediments and porewaters were investigated in a field experiment using species-specific, isotopically enriched organotin tracers. Sediment characteristics (organic carbon content and grain size) were determined to elucidate their influence on the degradation processes. The results of this study strongly suggest that a limiting step in OTC degradation in marine sediments is their desorption into porewaters because their degradation in porewaters occurs notably fast with half-lives of 9.2 days for tributyltin (TBT) in oxic porewaters and 2.9±0.1 and 9.1±0.9 days for dibutyltin (DBT) in oxic and anoxic porewaters, respectively. By controlling the desorption process, organic matter influences the TBT degradation efficiency and consequently defines its persistence in contaminated sediments, which thus increases in sediments rich in organic matter.

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Baseline of the butyltin distribution in surface sediments (0–20cm) of the Elbe estuary (Germany, 2011)

Cited by 17 publications

References 43 publications

The importance of sediments in ecological quality assessment of stream headwaters: embryotoxicity along the Nidda River and its tributaries in Central Hesse, Germany

The importance of sediments in ecological quality assessment of stream headwaters: embryotoxicity along the Nidda River and its tributaries in Central Hesse, Germany

Tributyltin: A Bottom–Up Regulator of the Crangon crangon Population?

Organotin persistence in contaminated marine sediments and porewaters: In situ degradation study using species-specific stable isotopic tracers

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