Pesticides from wastewater treatment plant effluents affect invertebrate communities

Münze, Ronald; Hannemann, Christin; Orlinskiy, Polina; Gunold, Roman; Paschke, Albrecht; Foit, Kaarina; Becker, Jeremias Martin; Kaske, Oliver; Paulsson, Elin; Peterson, M.J.; Jernstedt, Henrik; Kreuger, Jenny; Schüürmann, Gerrit; Liess, Matthias

doi:10.1016/j.scitotenv.2017.03.008

Cited by 146 publications

(57 citation statements)

References 81 publications

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“…While the differences in organismal responses to mixtures of MPs among species still remain largely to be discovered, altered species composition in natural populations close to waste water treatment plants suggest radical differences in tolerance to MP mixtures among species (e.g. Englert, Zubrod, Schulz, & Bundschuh, ; Münze et al., ; Stalter, Magdeburg, Quednow, Botzat, & Oehlmann, ). Gastropods, for example, may be relatively tolerant to pesticides, while similar concentrations experienced by other, more sensitive species may have detrimental effects on survival and population size (Hua & Relyea, ).…”

Section: Discussionmentioning

confidence: 99%

Resilience to heat waves in the aquatic snail Lymnaea stagnalis: Additive and interactive effects with micropollutants

et al. 2017

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Multiple anthropogenic changes, such as climate change and chemical pollution, threaten the persistence of natural populations. Yet, their potential additive and interactive effects on organismal performance and fitness are poorly understood, thus limiting our ability to predict the effects of the global change. We conducted a laboratory experiment to study the singular and combined effects of experimental heat waves and micropollutants (i.e. low‐concentration toxicants; henceforth micropollutants [MPs]) on the freshwater snail, Lymnaea stagnalis. To comprehensively understand physiological and ecological consequences of stress, we studied a broad range of traits from respiration rate to feeding performance and growth. We also determined traits contributing to fitness and immune responses, as these are key traits in determining both organismal fitness and interspecific (e.g. host–parasite) interactions. We tested whether a constant exposure to MPs affects the ability of snails to tolerate heat waves (8 days of 23.5°C), and subsequently to recover from them, and whether the effects are immediate or delayed. We found strong immediate additive effects of both stressors on reproduction, while they synergistically increased respiration and antagonistically decreased food consumption. Moreover, these effects were transient. Although the heat wave increased metabolic rates, individuals did not increase their resource uptake. This caused an apparent imbalance in resource levels—a probable cause for the observed trade‐off between immune function and reproductive traits (i.e. phenoloxidase‐like activity decreased, while reproductive output increased). In addition, exposure to MPs led to a temporarily reduced reproductive output. Our results indicate that even short‐term heat waves and low concentrations of chemical pollution can have large, mainly additive impacts on organismal fitness (e.g. altering susceptibility to infections and reproductive output). This suggests that long‐term effects of existing stressors and heat waves need to be considered when assessing the resilience of natural populations.

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Section: Discussionmentioning

confidence: 99%

Resilience to heat waves in the aquatic snail Lymnaea stagnalis: Additive and interactive effects with micropollutants

et al. 2017

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“…The Regulation provides two indicative analytical methods for each pesticide or group of pesticides: 1) liquid chromatography tandem mass spectrometry (LC‐MS/MS); and 2) gas chromatography‐mass spectrometry (GC‐MS) with solid‐phase extraction (SPE) or liquid‐liquid extraction (LLE) . The LC‐MS/MS method for determining pesticide concentrations in water samples was applied in countries such as: Germany, Canada, Switzerland, USA, Greece, Poland, and France . The GC‐MS or GC‐MS/MS methods were used in: China, Spain, Japan, Canada, and Burkina Faso to determine pesticides in water.…”

Section: Methods Of Pesticide Analysismentioning

confidence: 99%

“…Samples from seven rural/suburban WWTPs in Sachsen‐Anhalt (Germany) were collected using passive sampling 50 m upstream (serving as control sites) and 50 m downstream of the effluent discharge point to allow the mixing of effluent discharge and stream water and to enable ecological effects to be assessed . In May, the pesticides (acetamiprid, imidacloprid, thiacloprid) were detected in concentrations mainly below 0.1 µg L −1 (maximum value of 0.109 µg L −1 for imidacloprid).…”

Section: Occurrence Of Pesticides In Water In the Eu And Worldwidementioning

confidence: 99%

Pesticides from the EU First and Second Watch Lists in the Water Environment

Pietrzak

Kania

Malina

et al. 2019

CLEAN Soil Air Water

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The contamination of water with pesticides used in agriculture and urban areas is a priority issue that is currently of global concern. In 2015, the European Union (EU) published the first Watch List (1st WL), which showed the necessity for Union‐wide monitoring of ten organic substances/groups of substances in the field of water policy. The list includes, among other items, eight pesticides: five neonicotinoids (acetamiprid, clothianidin, imidacloprid, thiacloprid, and thiamethoxam), and methiocarb, oxadiazon, and tri‐allate. In 2018 the EU published the second Watch List, which repealed the 1st WL. In this list, among other changes, one pesticide (metaflumizone) was added, and two (oxadiazon and tri‐allate) were removed. This review summarizes the current state of knowledge on the reported occurrence and concentrations of these pesticides in surface and groundwaters and in effluents from wastewater treatment plants derived from 73 studies in 21 countries worldwide. Imidacloprid, acetamiprid and thiamethoxam were the most frequently found pesticides due to their widespread use, while metaflumizone, methiocarb, oxadiazon, and tri‐allate are less studied pesticides whose occurrence in water is also poorly reported. More investigation is needed to assess the occurrence and impact of these pesticides on the aquatic environment worldwide in the context of water supply and human security.

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“…The observed pattern was apparent in all simulations (Figs. 4,5,6,7). This indicates that the more often water samples are taken per year, the more likely it is that the true annual mean value will be correctly estimated.…”

Section: Statistical Analysis Softwarementioning

confidence: 99%

“…typically occur at very low concentrations ranging from ng/L to µg/L (so-called micropollutants), contribute to the loss of freshwater biodiversity [4][5][6] and are, amongst others, the reason for failing the good ecological status of the European Water Framework Directive (WFD) [1,3].…”

mentioning

confidence: 99%

Chemical surveillance in freshwaters: small sample sizes underestimate true pollutant loads and fail to detect environmental quality standard exceedances

Babitsch

Sundermann

2020

Environ Sci Eur

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Background: Chemical surveillance in surface waters is crucial to identify potential threats to the health of freshwater ecosystems. Usually, the concentrations of pollutants are highly variable over the course of the year and often result in non-normally distributed data sets. Therefore, the European Water Framework Directive recommends measuring, e.g. priority substances at least 12 times a year to achieve an acceptable accuracy level for the estimation of the true mean annual loads. However, in Europe priority substances are often measured much less frequently. In this context, the aim of the present study was to analyze how sample size, temporal variability and skewness of the data sets influence the accuracy of the mean annual load estimation and the assessment of annual average environmental quality standards. For this purpose, sample size simulations using weekly composite samples of benzo(a)pyrene, 4-tert-octylphenol, fluoranthene and di(2-ethylhexyl) phthalate, selected as representatives for priority substances, were carried out. Results: The sample size simulations showed two general patterns: the accuracy of the mean annual load estimation increased with increasing sample size and skewness and temporal variability were more apparent in smaller sample sizes. In right-skewed data sets, small sample sizes led, on average, to a systematic underestimation of the true mean annual load whilst in a few cases these led to an overestimation. Although the study was carried out on priority substances, results can be transferable to other pollutants. Furthermore, in small sample sizes a considerable proportion of the simulated means failed to detect annual average environmental quality standard exceedances. Conclusions: The results of the present study indicate that the usage of small sample sizes is likely to result in an underestimation of the true mean annual pollutant loads in chemical surveillance and scientific research, thus potentially jeopardizing the validity of results. Therefore, it is recommended to avoid the usage of small sample sizes for the determination of mean annual pollutant loads. Furthermore, priority substances should be sampled according to the European Water Framework Directive guidelines at least 12 times/year to improve the assessment of the threat posed by pollutants to freshwater ecosystems in Europe.

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Pesticides from wastewater treatment plant effluents affect invertebrate communities

Cited by 146 publications

References 81 publications

Resilience to heat waves in the aquatic snail Lymnaea stagnalis: Additive and interactive effects with micropollutants

Resilience to heat waves in the aquatic snail Lymnaea stagnalis: Additive and interactive effects with micropollutants

Pesticides from the EU First and Second Watch Lists in the Water Environment

Chemical surveillance in freshwaters: small sample sizes underestimate true pollutant loads and fail to detect environmental quality standard exceedances

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