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Environmental Chemistry publishes papers reporting chemistry that enhances our understanding of the environment including air, water, soil, sediments, and biota. More

Editor-in-Chief: Kevin Francesconi

 
 
 

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Published online 22 September 2016
Release of reactive phosphorus from sediments in Dongting Lake linked with the Yangtze River 
Tao Liang, Yali Tong, Xiahui Wang and Lingqing Wang

Environmental context. Eutrophication caused by excessive inputs of phosphorus is a prevalent global environmental problem. Reactive phosphorus released from sediments was measured by two new in situ passive sampling techniques capable of high-resolution measurements of phosphorus concentration. The methods provide the scientific evidence for solving the problems associated with deteriorating surface water quality.

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Published online 12 September 2016
Vermiculite as efficient sorbent of CeIII and CeIV 
Zdeněk Klika, Jana Seidlerová, Ivan Kolomazník and Marianna Hundáková

Environmental context. Cerium, a Technology Critical Element with many technical, agricultural, and medicinal applications, is increasingly being discharged to the environment. One of the best ways to remove cerium from wastes is its fixation into inexpensive bulk material such as vermiculite. This paper investigates the mechanism of CeIII and CeIV uptake and capture by vermiculite in neutral and acidic aqueous solutions.

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Published online 05 September 2016
PEST-ORCHESTRA, a tool for optimising advanced ion-binding model parameters: derivation of NICA-Donnan model parameters for humic substances reactivity 
Noémie Janot, José Paulo Pinheiro, Wander Gustavo Botero, Johannes C. L. Meeussen and Jan E. Groenenberg

Environmental context. The environmental behaviour of trace metals in soils and waters largely depends on the chemical form (speciation) of the metals. Speciation software programs combining models for the binding of metals to soil and sediment constituents are powerful tools in environmental risk assessment. This paper describes a new combination of speciation software with a fitting program to optimise geochemical model parameters that describes proton and metal binding to humic substances.

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Published online 29 August 2016
Analysis of antimony species – lessons learnt from more than two decades of environmental research 
Birgit Daus and Helle Rüsz Hansen

Environmental context. The environmental behaviour and toxicological effects of antimony depend strongly on the specific form of the element, and thus methods have been developed for measuring the various forms of antimony. These methods, applicable to quite clean samples, often fail when applied to more complex environmental samples. We discuss some of the pitfalls in determining environmental antimony forms and the resulting risk of getting the bigger picture wrong regarding antimony pollution.

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Published online 24 August 2016
A BUKI (Building up Knowledge Initiative) focussed on antimony 
Montserrat Filella

Environmental context. Scientific knowledge is continuously built up based on research results, and relies on their efficient and accurate dissemination. Using antimony as an example, a system is proposed that combines ease of access with focussed reviews while keeping track of all published work. This system, termed BUKI (Building Up Knowledge Initiative) is a collaborative approach based on the combination of a web-based platform and the elaboration of systematic reviews.

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Published online 22 August 2016
Theoretical study of the hydrolysis of HOSO+NO2 as a source of atmospheric HONO: effects of H2O or NH3 
Yan-Qiu Sun, Xu Wang, Feng-Yang Bai and Xiu-Mei Pan

Environmental context. Nitrous acid (HONO) has long been recognized as an important atmospheric pollutant, with the reaction of HOSO + NO2 being a source of HONO. We explore the effects of an additional water or ammonia molecule on this reaction. Calculations show that the ammonia molecule has a more effective role than the water molecule in assisting the reaction.

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Published online 22 August 2016
Cellular and molecular mechanisms of antimony transport, toxicity and resistance 
Markus J. Tamás

Environmental context. Antimony is a toxic metalloid that is used in a wide range of modern technology applications and in medical treatments. The accelerating needs for antimony in various industrial applications has led to concerns about increased human and environmental exposure. This review provides a brief summary of the biological properties of antimony and its mechanisms of actions in cells.

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Published online 15 August 2016
Heteroagglomeration of nanosilver with colloidal SiO2 and clay 
Sébastien Maillette, Caroline Peyrot, Tapas Purkait, Muhammad Iqbal, Jonathan G. C. Veinot and Kevin J. Wilkinson

Environmental context. The fate of nanomaterials in the environment is related to their colloidal stability. Although numerous studies have examined their homoagglomeration, their low concentration and the presence of high concentrations of natural particles implies that heteroagglomeration rather than homoagglomeration is likely to occur under natural conditions. In this paper, two state-of-the art analytical techniques were used to identify the conditions under which nanosilver was most likely to form heteroagglomerates in natural waters.

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Published online 08 August 2016
Homogeneous oxidation of SbIII by aqueous O2: the effect of ionic strength, Pb2+ and EDTA 
A. G. Ilgen and T. P. Trainor

Environmental context. Why does antimony become mobile faster in shooting range soils than in laboratory settings? We used controlled experiments and found that increased salinity and the presence of lead (which occurs with antimony at shooting ranges because they are both used in bullets) accelerate the change of antimony to a form that moves more easily through the watershed. This work helps explain the behaviour of this important pollutant – antimony – in the environment.

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Published online 01 August 2016
A novel method to determine trimethylantimony concentrations in plant tissue 
Adrien Mestrot, Ying Ji, Susan Tandy and Wolfgang Wilcke

Environmental context. Antimony enters the soil mostly through mining and shooting activities and can thereafter be taken up by plants. In the soil, antimony may undergo several transformations such as biomethylation, leading to the formation of trimethylantimony. Here, we measured for the first time the uptake and translocation of trimethylantimony in a plant using a new extraction and analysis method.

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Published online 27 July 2016
Role of microbial reducing activity in antimony and arsenic release from an unpolluted wetland soil: a lab scale study using sodium azide as a microbial inhibiting agent 
Asmaa Rouwane, Marion Rabiet, Isabelle Bourven, Malgorzata Grybos, Lucie Mallet and Gilles Guibaud

Environmental context. Antimony and arsenic are toxic elements occurring naturally in the environment. We found that arsenic release to water from an unpolluted wetland soil is related to microbial reducing activity only, whereas antimony can still be released when this activity is inhibited, suggesting the involvement of additional processes. The findings show that microbial/non-microbial mechanisms control arsenic and antimony release and can thereby impact water quality at wetland outlets.

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Published online 27 July 2016
Carbon and nitrogen dynamics in decaying wood: paleoenvironmental implications 
Romain Tramoy, Mathieu Sebilo, Thanh Thuy Nguyen Tu and Johann Schnyder

Environmental context. Carbon and nitrogen isotopes in terrestrial organic matter are widely used for reconstructing past environments, but organic matter is exposed to degradation as soon as it is deposited during what is called early diagenesis. This study explores the effects of this process on organic carbon and nitrogen isotopes, and concludes that it homogenises an environmental signal by integrating all their components. Thus, early diagenesis may not preclude paleoenvironmental reconstructions.

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Published online 13 July 2016
Insights into natural organic matter and pesticide characterisation and distribution in the Rhone River 
Danielle L. Slomberg, Patrick Ollivier, Olivier Radakovitch, Nicole Baran, Nicole Sani-Kast, Auguste Bruchet, Martin Scheringer and Jérôme Labille

Environmental context. Natural organic matter in surface waters is a transport vector for environmental pollutants with both its concentration and composition influencing pollutant fate. Characterisation of organic matter in surface waters, crucial to understanding pollutant transport, should also account for spatial variation along the water source. The present work characterises the natural organic matter in the Rhone River and describes the distributions of various pesticides and metabolites along the river.

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Published online 09 May 2016
Soluble secondary minerals of antimony in Pezinok and Kremnica (Slovakia) and the question of mobility or immobility of antimony in mine waters 
Juraj Majzlan, Martin Števko and Tomáš Lánczos

Environmental context. Antimony enters the environment from tailings and mines but there are widely divergent statements about its mobility in the environment. This work addresses the question of mobility of Sb by a combination of mineralogical and geochemical studies.

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Published online 26 April 2016
Parallel responses of human epidermal keratinocytes to inorganic SbIII and AsIII 
Marjorie A. Phillips, Angela Cánovas, Pei-Wen Wu, Alma Islas-Trejo, Juan F. Medrano and Robert H. Rice

Environmental context. Increasing commercial use of antimony is raising its environmental presence and thus possible effects on humans and ecosystems. An important uncertainty is the risk that exposure poses for biological systems. The present work explores the similarity in response of human epidermal keratinocytes, a known target cell type, to antimony and arsenic, where deleterious consequences of exposure to the latter are better known.

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blank image Environmental Chemistry
Volume 13 Number 5 2016

 
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Addressing the Anthropocene 
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A. D. Anbar , S. J. Romaniello , B. R. Allenby and W. S. Broecker
pp. 777-783

Environmental context. We are entering an epoch – the Anthropocene – in which human activity is changing the face of the planet. To stabilise climate, we may consider deliberate intervention into Earth’s systems, on a global scale. Responsible stewardship requires that we develop a safe, economic and environmentally acceptable means of sequestering CO2 from the atmosphere.

 
 

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Mass dependent processes can generate an isotope anomaly: the effect of ordinary diffusion on Δ17O in solids 
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Laura Donatella Campisi
pp. 784-791

Environmental context. The nitrate oxygen isotope anomaly has been suggested as a tool for quantifying the atmospheric input of this essential nutrient to terrestrial environments. However, it is calculated that the most important transport process in minerals, diffusion, may also be responsible for measurable anomalies. The signal in Chilean nitrate minerals could be associated with diffusion during crystal growth so the belief that the nitrate is of atmospheric origin is therefore questioned.

 
    | Supplementary Material (364 KB)
 

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Integrated 1H NMR-based metabolomics analysis of earthworm responses to sub-lethal Pb exposure 
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Ting Chen , Yan Liu , Ming-Hui Li , Hua-Dong Xu , Ji-Yang Sheng , Li Zhang and Jun-Song Wang
pp. 792-803

Heavy metals are non-degradable and are therefore a severe and persistent environmental menace. The toxic effects of Pb were investigated using NMR to determine the metabolic changes in earthworms exposed to Pb. The approach using 1H NMR to analyse earthworm metabolomics demonstrated great potential as a reliable, rapid and convenient tool to assess the toxicity of heavy metals and could be used to identify warning signs of heavy metal contamination of soil.

 
    | Supplementary Material (261 KB)
 

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Characterisation of suspended particulate matter in the Rhone River: insights into analogue selection 
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Danielle L. Slomberg , Patrick Ollivier , Olivier Radakovitch , Nicole Baran , Nicole Sani-Kast , Hélène Miche , Daniel Borschneck , Olivier Grauby , Auguste Bruchet , Martin Scheringer and Jérôme Labille
pp. 804-815

Environmental context. The fate and behaviour of pollutants such as pesticides, metals and nanoparticles in natural waters will influence their effects on the environment and human health. Owing to the complexity of natural waters and suspended particulate matter (SPM) that can interact with pollutants, as well as low pollutant concentrations, determination of pollutant fate and transport is non-trivial. Herein, we report a characterisation of the Rhone River chemistry to provide insight into selecting SPM analogues for experimental and modelling approaches.

 
    | Supplementary Material (1.9 MB)
 

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Organic sulfur and organic matter redox processes contribute to electron flow in anoxic incubations of peat 
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Zhi-Guo Yu , Jörg Göttlicher , Ralph Steininger and Klaus-Holger Knorr
pp. 816-825

Environmental context. The extent to which organic matter decomposition generates carbon dioxide or methane in anaerobic ecosystems is determined by the presence or absence of particular electron acceptors. Evaluating carbon dioxide and methane production in anaerobic incubation of peat, we found that organic matter predominated as an electron acceptor over considered inorganic electron acceptors. We also observed changes in organic sulfur speciation suggesting a contribution of organic sulfur species to the electron-accepting capacity of organic matter.

 
    | Supplementary Material (301 KB)
 

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Spatiotemporal redox dynamics in a freshwater lake sediment under alternating oxygen availabilities: combined analyses of dissolved and particulate electron acceptors 
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Maximilian P. Lau , Michael Sander , Jörg Gelbrecht and Michael Hupfer
pp. 826-837

Environmental context. At sediment surfaces, the availability of oxygen is controlled by its downward transport from the water surface and its consumption in microbial metabolism. Microorganisms can also consume substances other than oxygen to dispose of the surplus charge that is generated during microbial metabolism. We investigate the complex dynamics of these other substances when the oxygen availability fluctuates, and thereby contribute to the mechanistic understanding of oxygen-consuming processes in aquatic environments.

 
    | Supplementary Material (441 KB)
 

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Arsenic adsorption onto aluminium-substituted goethite 
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Ana E. Tufo , María dos Santos Afonso and Elsa E. Sileo
pp. 838-848

Environmental context. Goethite, commonly found in soils, is often partially substituted by Al and strongly influences the mobility of arsenic in the environment. The adsorption of AsV onto goethites with increasing Al substitution was explored, finding that Al incorporation decreases AsV sorption per gram of adsorbent, and that a low level of Al incorporation enhances the adsorption per unit area. Structures of the complexes formed between AsV and the oxy(hydr)oxide surface, at different pH values, are proposed by studying the changes in the surface charges of the adsorbed and non-adsorbed substituted and non-substituted goethites.

 
    | Supplementary Material (873 KB)
 

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Tissue-specific uptake of the benzodiazepine oxazepam in adult Eurasian perch (Perca fluviatilis) 
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Martina Heynen , Tomas Brodin , Jonatan Klaminder , Micael Jonsson and Jerker Fick
pp. 849-853

Environmental context. Although pharmaceuticals are found in wild fish, there is no consensus as to which fish tissue to use when measuring the pharmaceutical concentrations. Using the psychiatric pharmaceutical oxazepam in Eurasian perch as an example, we found that oxazepam was distributed in the perch tissues in the following order of concentration: muscle < liver = brain < blood plasma. These results help to interpret and compare previous studies, and provide guidance for future studies.

 
  
 

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Biochar amendment altered the molecular-level composition of native soil organic matter in a temperate forest soil 
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Perry J. Mitchell , André J. Simpson , Ronald Soong and Myrna J. Simpson
pp. 854-866

Environmental context. Biochar amendment in soil can sequester carbon but may also stimulate microbial activity, potentially enhancing soil organic matter degradation. We incubated biochar in a temperate forest soil and characterised the soil organic matter composition using molecular-level biomarker and nuclear magnetic resonance techniques. Biochar amendment altered the native soil organic matter composition and decreased the concentration of easily degradable soil organic matter components.

 
    | Supplementary Material (892 KB)
 

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An integrated study of the chemical composition of Antarctic aerosol to investigate natural and anthropogenic sources 
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E. Barbaro , R. Zangrando , T. Kirchgeorg , A. Bazzano , S. Illuminati , A. Annibaldi , S. Rella , C. Truzzi , M. Grotti , A. Ceccarini , C. Malitesta , G. Scarponi and A. Gambaro
pp. 867-876

Environmental context. Owing to its remoteness, Antarctica is an excellent natural laboratory for conducting studies on the behavior of marine aerosols and for monitoring the impact of global human activities. The aim of this study is to provide an extensive chemical characterization of Antarctic aerosol and to investigate its sources. A distinction among anthropogenic, crustal, and biogenic sources was defined using several chemical markers.

 
    | Supplementary Material (199 KB)
 

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Proteins are a major component of dissolved organic nitrogen (DON) leached from terrestrially aged Eucalyptus camaldulensis leaves 
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Clayton W. Harris , Ewen Silvester , Gavin N. Rees , John Pengelly and Ljiljana Puskar
pp. 877-887

Environmental context. Dissolved organic nitrogen (DON) often constitutes the largest portion of the dissolved nitrogen pool, yet is a commonly overlooked nutrient source in aquatic systems. Terrestrially aged Eucalyptus camaldulensis, a common Australian lowland leaf-litter species, rapidly released proteinaceous DON during the first 24 h of leaching. The results indicate that terrestrial leaf litter may play an important role in satisfying nutrient demand within aquatic systems through both direct deposition and floodplain interactions.

 
    | Supplementary Material (1.8 MB)
 

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Molecular composition of urban organic aerosols on clear and hazy days in Beijing: a comparative study using FT-ICR MS 
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Bin Jiang , Bin Yu Kuang , Yongmei Liang , Jingyi Zhang , X. H. Hilda Huang , Chunming Xu , Jian Zhen Yu and Quan Shi
pp. 888-901

Environmental context. China has been experiencing severe particulate pollution and frequent haze episodes in recent years. We compare the molecular composition of urban organic aerosols on clear and hazy days in Beijing by high-resolution mass spectrometry. The comparative study shows that oxidation, sulfation and nitrification processes actively involve precursors of anthropogenic origin in the Beijing polluted urban atmosphere.

 
    | Supplementary Material (1.3 MB)
 

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Comparative evaluation of iron leach from different sources of fly ash under atmospherically relevant conditions 
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Jaya Borgatta , Amanda Paskavitz , Deborah Kim and Juan G. Navea
pp. 902-912

Environmental context. Iron, a limiting nutrient of plankton in the ocean, is deposited to the sea from atmospheric aerosols. In particular, atmospheric acidic conditions promote dissolution of iron from fly ash, a by-product of coal-fired power plants. Here, we report that the iron leached from fly ash depends on its source region, and that the type of combustion process may influence the iron species mobilized.

   | Supplementary Material (149 KB)  |        Open Access Article
 

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These articles have been peer reviewed and accepted for publication. They are still in production and have not been edited, so may differ from the final published form.

    EN16130  Accepted 20 September 2016
    Ion Exchange Technique (IET) for measuring Cu2+, Ni2+ and Zn2+ activities in soils contaminated with metal mixtures
    Dina Schwertfeger, William Hendershot
    Abstract


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Rank Paper Details
1. Published 25 September 2015
Marine microplastic-associated biofilms – a review

Sonja Oberbeckmann, Martin G. J. Löder and Matthias Labrenz

2. Published 25 September 2015
Beyond the ocean: contamination of freshwater ecosystems with (micro-)plastic particles

Rachid Dris, Hannes Imhof, Wilfried Sanchez, Johnny Gasperi, François Galgani, Bruno Tassin and Christian Laforsch

3. Published 25 September 2015
Microplastic contamination in an urban area: a case study in Greater Paris

Rachid Dris, Johnny Gasperi, Vincent Rocher, Mohamed Saad, Nicolas Renault and Bruno Tassin

4. Published 25 September 2015
Questions of size and numbers in environmental research on microplastics: methodological and conceptual aspects

Montserrat Filella

5. Published 25 September 2015
Plastic pollution in Swiss surface waters: nature and concentrations, interaction with pollutants

Florian Faure, Colin Demars, Olivier Wieser, Manuel Kunz and Luiz Felippe de Alencastro

6. Published 25 September 2015
Adsorption of trace metals by microplastic pellets in fresh water

Andrew Turner and Luke A. Holmes

7. Published 25 September 2015
Characterisation of microplastics and toxic chemicals extracted from microplastic samples from the North Pacific Gyre

Lorena M. Rios Mendoza and Patrick R. Jones

8. Published 25 September 2015
Focal plane array detector-based micro-Fourier-transform infrared imaging for the analysis of microplastics in environmental samples

Martin Günter Joachim Löder, Mirco Kuczera, Svenja Mintenig, Claudia Lorenz and Gunnar Gerdts

9. Published 25 May 2016
When are metal complexes bioavailable?

Chun-Mei Zhao, Peter G.C. Campbell and Kevin J. Wilkinson

10. Published 19 November 2015
A novel method for the quantification, characterisation and speciation of silver nanoparticles in earthworms exposed in soil

Sunday Makama, Ruud Peters, Anna Undas and Nico W. van den Brink

11. Published 19 November 2015
Transformations that affect fate, form and bioavailability of inorganic nanoparticles in aquatic sediments

Richard Kynaston Cross, Charles Tyler and Tamara S Galloway

12. Published 4 January 2016
Are humans exposed to increasing amounts of unidentified organofluorine?

Leo W. Y. Yeung and Scott A. Mabury

13. Published 4 January 2016
First national-scale reconnaissance of neonicotinoid insecticides in streams across the USA

Michelle L. Hladik and Dana W. Kolpin

14. Published 19 November 2015
Interaction of humic acids with soil minerals: adsorption and surface aggregation induced by Ca2+

Nanci Kloster and Marcelo Avena

15. Published 19 November 2015
Characterisation of bioaccumulation dynamics of three differently coated silver nanoparticles and aqueous silver in a simple freshwater food chain

Judit Kalman, Kai B. Paul, Farhan R. Khan, Vicki Stone and Teresa F. Fernandes

16. Published 19 November 2015
Phosphorus and arsenic distributions in a seasonally stratified, iron- and manganese-rich lake: microbiological and geochemical controls

Adam Hartland, Martin S. Andersen and David P. Hamilton

17. Published 4 January 2016
Distributions of neonicotinoid insecticides in the Commonwealth of Massachusetts: a temporal and spatial variation analysis for pollen and honey samples

Chensheng (Alex) Lu, Chi-Hsuan Chang, Lin Tao and Mei Chen

18. Published 25 September 2015
Occurrence, relative abundance and spatial distribution of microplastics and zooplankton NW of Sardinia in the Pelagos Sanctuary Protected Area, Mediterranean Sea

Cristina Panti, Matteo Giannetti, Matteo Baini, Fabrizio Rubegni, Roberta Minutoli and Maria Cristina Fossi

19. Published 21 March 2016
Ocean acidification has different effects on the production of dimethylsulfide and dimethylsulfoniopropionate measured in cultures of Emiliania huxleyi and a mesocosm study: a comparison of laboratory monocultures and community interactions

Alison L. Webb, Gill Malin, Frances E. Hopkins, Kai Lam Ho, Ulf Riebesell, Kai G. Schulz, Aud Larsen and Peter S. Liss

20. Published 25 May 2016
Metal speciation from stream to open ocean: modelling v. measurement

Edward Tipping, Stephen Lofts and Anthony Stockdale


      
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