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Environmental Sciences Europe

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https://www.readbyqxmd.com/read/28163993/herbicide-resistance-and-biodiversity-agronomic-and-environmental-aspects-of-genetically-modified-herbicide-resistant-plants
#1
REVIEW
Gesine Schütte, Michael Eckerstorfer, Valentina Rastelli, Wolfram Reichenbecher, Sara Restrepo-Vassalli, Marja Ruohonen-Lehto, Anne-Gabrielle Wuest Saucy, Martha Mertens
Farmland biodiversity is an important characteristic when assessing sustainability of agricultural practices and is of major international concern. Scientific data indicate that agricultural intensification and pesticide use are among the main drivers of biodiversity loss. The analysed data and experiences do not support statements that herbicide-resistant crops provide consistently better yields than conventional crops or reduce herbicide amounts. They rather show that the adoption of herbicide-resistant crops impacts agronomy, agricultural practice, and weed management and contributes to biodiversity loss in several ways: (i) many studies show that glyphosate-based herbicides, which were commonly regarded as less harmful, are toxic to a range of aquatic organisms and adversely affect the soil and intestinal microflora and plant disease resistance; the increased use of 2,4-D or dicamba, linked to new herbicide-resistant crops, causes special concerns...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28163992/an-experiment-on-the-impact-of-a-neonicotinoid-pesticide-on-honeybees-the-value-of-a-formal-analysis-of-the-data
#2
Robert S Schick, Jeremy J D Greenwood, Stephen T Buckland
BACKGROUND: We assess the analysis of the data resulting from a field experiment conducted by Pilling et al. (PLoS ONE. doi: 10.1371/journal.pone.0077193, 5) on the potential effects of thiamethoxam on honeybees. The experiment had low levels of replication, so Pilling et al. concluded that formal statistical analysis would be misleading. This would be true if such an analysis merely comprised tests of statistical significance and if the investigators concluded that lack of significance meant little or no effect...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28163991/environmental-chemistry-and-ecotoxicology-in-greater-demand-than-ever
#3
EDITORIAL
Martin Scheringer
Environmental chemistry and ecotoxicology have been losing support, resources, and recognition at universities for many years. What are the possible causes of this process? A first problem may be that the need for research and teaching in environmental chemistry and ecotoxicology is no longer seen because chemical pollution problems are considered as largely solved. Second, environmental chemistry and ecotoxicology may be seen as fields dominated by routine work and where there are not many interesting research questions left...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28163990/authors-response-on-schick-et-al-2017-an-experiment-of-the-impact-of-a-neonicotinoid-pesticide-on-honey-bees-the-value-of-a-formal-analysis-of-the-data-environ-sci-eur-2017
#4
EDITORIAL
Peter Campbell, Mike Coulson, Keith Ward
Whilst a formal statistical analysis of any experimental data is always preferable in principle, in the case of Pilling et al. (PLoS ONE 8:e77193, 2013), it is hard to see how the results of any formal analysis-including those provided by Schick et al.-could be considered reliable. Regardless of the issue of statistical analysis, there was a wealth of valuable and novel biological and chemical residue data generated under field conditions of use in Pilling et al., which when taken into consideration alongside other relevant available published data and information (i...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28133586/possible-health-impacts-of-bt-toxins-and-residues-from-spraying-with-complementary-herbicides-in-genetically-engineered-soybeans-and-risk-assessment-as-performed-by-the-european-food-safety-authority-efsa
#5
REVIEW
Christoph Then, Andreas Bauer-Panskus
BACKGROUND: MON89788 was the first genetically engineered soybean worldwide to express a Bt toxin. Under the brand name Intacta, Monsanto subsequently engineered a stacked trait soybean using MON89788 and MON87701-this stacked soybean expresses an insecticidal toxin and is, in addition, tolerant to glyphosate. After undergoing risk assessment by the European Food Safety Authority (EFSA), the stacked event was authorised for import into the EU in June 2012, including for use in food and feed...
2017: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28090425/spread-of-volunteer-and-feral-maize-plants-in-central-europe-recent-data-from-austria
#6
Kathrin Pascher
The occurrence of volunteer maize plants in subsequent crops as well as of feral maize plants in non-agricultural areas is an essential issue in risk assessments of genetically modified (GM) maize, with regard to possible contamination of natural habitats with GM material and as contribution to the total adventitious GM content of the non-GM final product. The appearance of feral maize plants has been confirmed for non-agricultural habitats in European areas with Mediterranean climate such as Spain. However, the existence of maize volunteers and feral maize outside cultivation under Central European continental climatic conditions is considered to be extremely unlikely in those winter-cold areas...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/28003950/toward-understanding-the-impacts-of-sediment-contamination-on-a-native-fish-species-transcriptional-effects-erod-activity-and-biliary-pah-metabolites
#7
Sven Koglin, Ulrike Kammann, Kathrin Eichbaum, Mathias Reininghaus, Bryanna Eisner, Steve Wiseman, Markus Hecker, Sebastian Buchinger, Georg Reifferscheid, Henner Hollert, Markus Brinkmann
BACKGROUND: Both frequency and intensity of flood events are expected to increase as a result of global climate change in the upcoming decades, potentially resulting in increased re-suspension of sediments in fluvial systems. Contamination of these re-suspended sediments with legacy contaminants, including dioxins and dioxin-like compounds (DLCs), as well as polycyclic aromatic hydrocarbons (PAHs) is of great ecotoxicological concern. DLCs, and to some extent also PAHs, exhibit their toxicity through activation of the aryl hydrocarbon receptor (AhR)...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27942424/levels-of-dna-methylation-and-transcript-accumulation-in-leaves-of-transgenic-maize-varieties
#8
Vinicius Vilperte, Sarah Zanon Agapito-Tenfen, Odd-Gunnar Wikmark, Rubens Onofre Nodari
BACKGROUND: Prior to their release in the environment, transgenic crops are examined for their health and environmental safety. In addition, transgene expression needs to be consistent in order to express the introduced trait (e.g. insecticidal and/or herbicide tolerance). Moreover, data on expression levels for GM events are usually required for approval, but these are rarely disclosed or they are considered insufficient. On the other hand, biosafety regulators do not consider epigenetic regulation (e...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27882277/effect-of-silver-nanoparticles-on-the-standard-soil-arthropod-folsomia-candida-collembola-and-the-eukaryote-model-organism-saccharomyces-cerevisiae
#9
Panwad Sillapawattana, Martin C H Gruhlke, Andreas Schäffer
BACKGROUND: Because of their antimicrobial properties, silver nanoparticles (AgNPs) have been widely used and have come into contact with the environment. In the present work, an effect of AgNPs on a standard soil organism, Folsomia candida, was studied (in comparison to silver nitrate) focusing on molecular and cellular alterations as ecotoxicological endpoints. RESULTS: At the molecular level, an up-regulation of metallothionein-containing protein (MTC) mRNA in AgNP-treated groups indicated toxic heavy metal stress effects caused by the release of silver ions from AgNPs, which is similar to animal groups treated with silver nitrate...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27867807/screening-for-potential-endocrine-disruptors-in-fish-evidence-from-structural-alerts-and-in-vitro-and-in-vivo-toxicological-assays
#10
Monika Nendza, Andrea Wenzel, Martin Müller, Geertje Lewin, Nelly Simetska, Frauke Stock, Jürgen Arning
BACKGROUND: The European chemicals' legislation REACH aims to protect man and the environment from substances of very high concern (SVHC). Chemicals like endocrine disruptors (EDs) may be subject to authorization. Identification of (potential) EDs with regard to the environment is limited because specific experimental assessments are not standard requirements under REACH. Evidence is based on a combination of in vitro and in vivo experiments (if available), expert judgement, and structural analogy with known EDs...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27867806/bile-metabolites-of-polycyclic-aromatic-hydrocarbons-pahs-in-three-species-of-fish-from-morocco
#11
Ayoub Baali, Ulrike Kammann, Reinhold Hanel, Ikram El Qoraychy, Ahmed Yahyaoui
BACKGROUND: Polycyclic aromatic hydrocarbons (PAH) are environmental contaminants that pose significant risk to health of fish. Environmental pollution of fish is a topic of rising attention in Morocco. However, only few studies have been carried out so far, describing the potential threat of organic pollution to Moroccan aquatic ecosystem. Two polycyclic aromatic hydrocarbon (PAH) metabolites, 1-hydroxypyrene (1-OH-Pyr) and 1-hydroxyphenanthrene (1-OH-Phen), were identified and quantified from the bile of 18 European eels (Anguilla anguilla), 7 Moray (Muraenidae), and 28 Conger eels (Conger conger) collected from Moulay Bousselham lagoon and Boujdour coast...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27840787/since-2015-the-sinogerman-research-project-sign-supports-water-quality-improvement-in-the-taihu-region-china
#12
Kathrin Rachel Schmidt, Tim Aus der Beek, Xiaohu Dai, Bingzhi Dong, Elke Dopp, Florian Eichinger, Monika Hammers-Wirtz, Regina Haußmann, Andreas Holbach, Henner Hollert, Marc Illgen, Xia Jiang, Jan Koehler, Stephan Koester, Andreas Korth, Stephan Kueppers, Aili Li, Matthias Lohmann, Christian Moldaenke, Stefan Norra, Boqiang Qin, Yanwen Qin, Moritz Reese, Edmund Riehle, Beatrix Santiago-Schuebel, Charlotte Schaefer, Anne Simon, Yonghui Song, Christian Staaks, Joerg Steinhardt, Guenter Subklew, Tao Tao, Tingfeng Wu, Daqiang Yin, Fangfang Zhao, Binghui Zheng, Meiyue Zhou, Hua Zou, Jiane Zuo, Andreas Tiehm
The Taihu (Tai lake) region is one of the most economically prospering areas of China. Due to its location within this district of high anthropogenic activities, Taihu represents a drastic example of water pollution with nutrients (nitrogen, phosphate), organic contaminants and heavy metals. High nutrient levels combined with very shallow water create large eutrophication problems, threatening the drinking water supply of the surrounding cities. Within the international research project SIGN (SinoGerman Water Supply Network, www...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27761355/occurrence-and-transformation-of-veterinary-pharmaceuticals-and-biocides-in-manure-a-literature-review
#13
Manuel Wohde, Silvia Berkner, Thomas Junker, Sabine Konradi, Lisa Schwarz, Rolf-Alexander Düring
The spread of veterinary medicinal products (VMPs) and biocides via manure onto agriculturally used areas represents a very important emission into the environment for these product groups. Within this literature study, publicly available transformation studies with liquid manure are summarized. Transformation studies were evaluated regarding the transformation fate of tested substances, the origin and characteristics of used manure, the experimental setup, and the measured parameters. As main topics within the 42 evaluated transformation studies, the high dependency of transformation on temperature, redox potential, dry matter content, and other parameters is reported...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27752455/results-of-extended-plant-tests-using-more-realistic-exposure-scenarios-for-improving-environmental-risk-assessment-of-veterinary-pharmaceuticals
#14
Elisabeth Richter, Silvia Berkner, Ina Ebert, Bernhard Förster, Nadin Graf, Monika Herrchen, Ute Kühnen, Jörg Römbke, Markus Simon
BACKGROUND: Residues of veterinary medicinal products (VMPs) enter the environment via application of manure onto agricultural areas where in particular antibiotics can cause phytotoxicity. Terrestrial plant tests according to OECD guideline 208 are part of the environmental risk assessment of VMPs. However, this standard approach might not be appropriate for VMPs which form non-extractable residues or transformation products in manure and manure-amended soil. Therefore, a new test design with a more realistic exposure scenario via manure application is needed...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27752454/svhc-in-imported-articles-reach-authorisation-requirement-justified-under-wto-rules
#15
Julian Schenten, Martin Führ
The purpose of the REACH Regulation is to ensure a high level of protection of human health and the environment as well as the free circulation of substances on the internal market while enhancing competitiveness and innovation. To this end, REACH introduces, among other instruments, the authorisation regime for substances of very high concern (SVHC) that are listed on Annex XIV of the regulation. After expiration of the transitional period for each Annex XIV-SVHC, articles, such as most products of daily use, produced in the European Economic Area (EEA) may not contain such substances unless an authorisation was granted for the specific use or this use falls within the scope of an exemption from the authorisation requirement...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27752453/the-2015-annual-meeting-of-setac-german-language-branch-in-zurich-7-10-september-2015-ecotoxicology-and-environmental-chemistry-from-research-to-application
#16
Inge Werner, Annette Aldrich, Benjamin Becker, Dennis Becker, Markus Brinkmann, Michael Burkhardt, Norbert Caspers, Sophie Campiche, Nathalie Chèvre, Rolf-Alexander Düring, Beate I Escher, Fabian Fischer, Sabrina Giebner, Katharina Heye, Henner Hollert, Marion Junghans, Cornelia Kienle, Katja Knauer, Muris Korkaric, Veronika Märkl, Jane Muncke, Jörg Oehlmann, Georg Reifferscheid, Daniel Rensch, Andreas Schäffer, Sabrina Schiwy, Simon Schwarz, Helmut Segner, Eszter Simon, Rita Triebskorn, Etiënne L M Vermeirssen, Thomas Wintgens, Markus Zennegg
This report provides a brief review of the 20th annual meeting of the German Language Branch of the Society of Environmental Toxicology and Chemistry (SETAC GLB) held from September 7th to 10th 2015 at ETH (Swiss Technical University) in Zurich, Switzerland. The event was chaired by Inge Werner, Director of the Swiss Centre for Applied Ecotoxicology (Ecotox Centre) Eawag-EPFL, and organized by a team from Ecotox Centre, Eawag, Federal Office of the Environment, Federal Office of Agriculture, and Mesocosm GmbH (Germany)...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27752452/the-german-postgraduate-degree-program-in-ecotoxicology-setac-glb-and-gdch-a-success-story
#17
EDITORIAL
Klaus Peter Ebke, Jan Ahlers, Thomas Braunbeck, Jörg Oehlmann, Toni Ratte, Ralf B Schäfer, Adolf Eisenträger, Andreas Schäffer
This article gives a comprehensive overview on the strategy, the development and the progress of the German postgraduate degree program in ecotoxicology (SETAC GLB and GDCh). The program soon prompted positive results: more than 10 years now the courses had an average enrolment rate of 90 %, and employment-seeking graduates from the first courses mostly succeeded in quickly finding employment relevant to their training. With over 450 students enrolled to date, the degree program contributes significantly to the field of Environmental Chemistry and Ecotoxicology...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27752451/validation-data-for-the-determination-of-perchlorate-in-water-using-ion-chromatography-with-suppressed-conductivity-detection
#18
Maike A Seiler, Detlef Jensen, Udo Neist, Ursula K Deister, Franz Schmitz
BACKGROUND: Perchlorate salts are relatively stable, soluble in water, and migrate into groundwater sources. Groundwater is an essential source for drinking water suppliers. Perchlorate bears health risks as it is identified to impair normal thyroid function by interfering with iodine uptake by the thyroid gland. The development of a sensitive analytical method for the determination of perchlorate is therefore of the highest interest or public health. Ion chromatography is a sensitive method suitable for perchlorate determinations...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27752450/amphibians-and-plant-protection-products-what-research-and-action-is-needed
#19
Annette Aldrich, Marion Junghans, Caroline Aeberli, Carsten A Brühl, Franz Streissl, Benedikt R Schmidt
BACKGROUND: The majority of Swiss amphibians are threatened. There is a range of factors which have been discussed as possible causes for their decline, including plant protection products (PPPs). RESULTS: The influence of PPPs on amphibian populations has not yet been studied to any great extent, neither for active ingredients nor for the wetting agents, breakdown products or tank mixtures. A further topic of discussion was how to better protect amphibians by reducing their exposure to PPPs in agricultural fields...
2016: Environmental Sciences Europe
https://www.readbyqxmd.com/read/27752449/evaluation-of-acute-to-chronic-ratios-of-fish-and-daphnia-to-predict-acceptable-no-effect-levels
#20
Martin May, Wiebke Drost, Sabine Germer, Tanja Juffernholz, Stefan Hahn
BACKGROUND: Acute-to-chronic extrapolation is an important approach to predict acceptable no-effect levels from acute data which has some uncertainties, but is valuable for risk assessment of chemical substances. With regard to the still limited and heterogenic data of chronic fish tests, conclusions on aquatic hazard estimation need to be checked and the question arises whether the chronic toxicity to fish can be adequately derived from acute data. A comprehensive dataset including ecotoxicological studies of 203 substances was used to investigate acute-to-chronic ratios (ACR) for both fish and Daphnia...
2016: Environmental Sciences Europe
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