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Hennig TB, Alves PRL, Toniolo T, Bandeira FO, Dos Santos WE, da Costa Cabrera L, Gilson ÍK, Baretta D. Toxicity of fipronil to Folsomia candida in contrasting tropical soils and soil moisture contents: effects on the reproduction and growth. ECOTOXICOLOGY (LONDON, ENGLAND) 2022; 31:64-74. [PMID: 34674062 DOI: 10.1007/s10646-021-02490-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/19/2021] [Indexed: 06/13/2023]
Abstract
This study assessed the influence of three tropical soil types and soil moisture content on the toxicity and risk of the insecticide fipronil to collembolans Folsomia candida. Chronic toxicity tests were performed in a Tropical Artificial Soil (TAS), an Oxisol and an Entisol spiked with increasing concentrations of fipronil to assess the effects on the reproduction and growth of the species. The soil moisture contents were kept at 60% (standard condition) and 30 or 45% (water restriction) of their water holding capacity (WHC). The toxicity of fipronil on collembolans reproduction was about three times higher in Entisol compared to TAS or Oxisol. Higher toxicities were also found in the drier TAS (EC50 30%WHC = 0.20 vs EC50 60%WHC = 0.70 mg kg-1) and Oxisol (EC50 45%WHC = 0.27 vs EC50 60%WHC = 0.54 mg kg-1), while in Entisol lower impacts were found in the drier samples (EC50 30%WHC = 0.41 vs EC50 60%WHC = 0.24 mg kg-1). For all tested soils, the size of generated collembolans was reduced by the fipronil concentrations, regardless of soil moisture. However, the drier condition increased the effect on the growth in TAS and Entisol for some concentrations. A significant risk of exposure was found in TAS and Oxisol at drier conditions and, for Entisol, regardless of the soil moisture. The toxic effects and risk of fipronil on collembolans were higher in the natural sandy soil. The soil moisture content increase or decrease the toxicity of the insecticide for collembolans, depending on soil type.
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Affiliation(s)
- Thuanne Braúlio Hennig
- Department of Soil Science, Santa Catarina State University, Av. Luis de Camões, 2090, Lages, SC, 88520000, Brazil
| | - Paulo Roger Lopes Alves
- Federal University of Fronteira Sul, Av. Fernando Machado 108 E, Chapecó, SC, 89802112, Brazil.
| | - Tânia Toniolo
- Federal University of Fronteira Sul, Av. Fernando Machado 108 E, Chapecó, SC, 89802112, Brazil
| | - Felipe Ogliari Bandeira
- Department of Soil Science, Santa Catarina State University, Av. Luis de Camões, 2090, Lages, SC, 88520000, Brazil
| | | | - Liziara da Costa Cabrera
- Federal University of Fronteira Sul, Av. Jacob Reinaldo Haupenthal, 1580, Cerro Largo, RS, 97900000, Brazil
| | - Ítalo Kael Gilson
- Federal University of Fronteira Sul, Av. Jacob Reinaldo Haupenthal, 1580, Cerro Largo, RS, 97900000, Brazil
| | - Dilmar Baretta
- Department of Soil Science, Santa Catarina State University, Av. Luis de Camões, 2090, Lages, SC, 88520000, Brazil
- Centro de Educação Superior do Oeste, Santa Catarina State University, Beloni Trombeta Zanin, 680-E, Chapecó, SC, 89815-630, Brazil
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Renaud M, El Morabet H, Reis F, da Silva PM, Siciliano SD, Sousa JP, Natal-da-Luz T. Are structural and functional endpoints of soil communities similarly affected by metal mixtures? - A terrestrial model ecosystem approach. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 795:148909. [PMID: 34328934 DOI: 10.1016/j.scitotenv.2021.148909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 06/26/2021] [Accepted: 07/04/2021] [Indexed: 06/13/2023]
Abstract
Soils are habitat to a variety of flora and fauna in a linked ecosystem which provides essential ecosystem services. In soil, metals can accumulate at high concentrations, because of anthropogenic activities, leading to toxic effects, threatening the ecosystem and the services it provides. In most real-world contamination scenarios, metals occur as complex mixtures which can interact and produce different toxicity than predicted from individual metal data. Current regulatory guidelines are based on single species responses to individual metals and ignore indirect effects inherent to the inter-linked nature of ecosystems. Also, the evaluation of anthropogenic impacts to the soil communities is usually measured through structural endpoints (e.g. abundance) disregarding functional measurements (e.g. organic matter decomposition rates), which are often seen as tightly related, and thus, similarly affected. In this study we tested three mixture ratios of five metal oxides (lead, copper, nickel, zinc, cobalt) at three dose levels (Low, Med, High) in a terrestrial model ecosystem experiment and measured structural and functional endpoints. Exposure to metal mixtures for 16 weeks did not affect the microarthropod community, but produced severe effects on soil microbial activity (PNR and DHA) reducing activity below 50% compared to control levels, in all dosed treatments. Metal contamination also significantly affected feeding activity and organic matter decomposition, but effects were not as pronounced as on microbial activity. Data suggest that, in the risk assessment of metals and their mixtures, effects on ecosystem structure and functions must be considered to provide adequate environmental protection.
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Affiliation(s)
- Mathieu Renaud
- University of Coimbra, Centre for Functional Ecology, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal.
| | - Hamza El Morabet
- University of Vigo, Department of Ecology and Animal Biology, Vigo, Spain
| | - Filipa Reis
- University of Coimbra, Centre for Functional Ecology, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Pedro Martins da Silva
- University of Coimbra, Centre for Functional Ecology, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | | | - José Paulo Sousa
- University of Coimbra, Centre for Functional Ecology, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Tiago Natal-da-Luz
- University of Coimbra, Centre for Functional Ecology, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
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Yang J, Chen X, Yin D, Yin H, Zhang Y, Liu M, Zhao W, Zhang L, Liu Y, Yang X, Zhong Z. Applicability of Enchytraeus bulbosus as a model species in ecotoxicology and risk assessment. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 224:112660. [PMID: 34411825 DOI: 10.1016/j.ecoenv.2021.112660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 07/28/2021] [Accepted: 08/13/2021] [Indexed: 06/13/2023]
Abstract
Enchytraeus bulbosus is listed in the ISO and OECD standard guidelines as a possible test species of enchytraeid. However, in contrast to other listed species, its applicability in ecotoxicological studies as well as its sensitivity is widely unknown. Therefore, copper, pentachlorophenol(PCP), carbendazim, and chloroacetamide have been investigated by performing two-generation studies with multiple endpoints. Comparable toxicity trends to the existing studies were shown for copper and PCP in the two-generation studies of E. bulbosus. Dose-related abnormal swelling of clitella were found for the first time with PCP and chloroacetamide treatments. Sensitivity comparisons of E. bulbosus to other terrestrial test species were also conducted. E. bulbosus showed high sensitivity, it has comparable sensitivity as other sensitive species of genus Enchytraeus ( E. albidus or E. luxuriosus)to different chemicals, and was more sensitive than E. crypticus and earthworm species ( Eisenia fetida or Eisenia andrei). Combined with the phylogenetic and biological characterization, the results lead to the conclusion that E.bulbosus is a suitable model species in ecotoxicology and the chemical risk assessment (especially in multi-generation) because it has a short generation time, comparatively moderate fecundity, ideal and reasonable sensitivity.
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Affiliation(s)
- Jing Yang
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Bioassay and Safety Assessment Laboratory Shanghai Academy of Public Measurement, Shanghai 201203, China.
| | - Xiaoqian Chen
- Bioassay and Safety Assessment Laboratory Shanghai Academy of Public Measurement, Shanghai 201203, China
| | - Daqiang Yin
- College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China.
| | - Haowen Yin
- Bioassay and Safety Assessment Laboratory Shanghai Academy of Public Measurement, Shanghai 201203, China.
| | - Ying Zhang
- Bioassay and Safety Assessment Laboratory Shanghai Academy of Public Measurement, Shanghai 201203, China
| | - Min Liu
- Bioassay and Safety Assessment Laboratory Shanghai Academy of Public Measurement, Shanghai 201203, China
| | - Weigang Zhao
- Bioassay and Safety Assessment Laboratory Shanghai Academy of Public Measurement, Shanghai 201203, China
| | - Lu Zhang
- Bioassay and Safety Assessment Laboratory Shanghai Academy of Public Measurement, Shanghai 201203, China
| | - Yanan Liu
- Bioassay and Safety Assessment Laboratory Shanghai Academy of Public Measurement, Shanghai 201203, China
| | - Xichen Yang
- Bioassay and Safety Assessment Laboratory Shanghai Academy of Public Measurement, Shanghai 201203, China
| | - Zhijie Zhong
- Bioassay and Safety Assessment Laboratory Shanghai Academy of Public Measurement, Shanghai 201203, China
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Braúlio Hennig T, Ogliari Bandeira F, Dalpasquale AJ, Cardoso EJBN, Baretta D, Lopes Alves PR. Toxicity of imidacloprid to collembolans in two tropical soils under different soil moisture. JOURNAL OF ENVIRONMENTAL QUALITY 2020; 49:1491-1501. [PMID: 33459410 DOI: 10.1002/jeq2.20143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/28/2020] [Accepted: 08/15/2020] [Indexed: 06/12/2023]
Abstract
Shifts in precipitation regimes due to the predicted climate changes can alter the water content in tropical soils and, consequently, may influence the toxicity of pesticides to soil fauna. This study assessed the influence of soil moisture content on the toxicity of the insecticide imidacloprid to the collembolans Folsomia candida in two tropical soils and evaluated the risk of this active ingredient for this species in the soils tested through the toxicity exposure ratio approach. Acute and chronic toxicity tests with F. candida were performed using an Entisol and an Oxisol. The soils were spiked with increasing imidacloprid concentrations while simulating normal water availability (60% of the water holding capacity [WHC]) and water restriction (30 or 45% WHC) for the tests. In the Oxisol, the reduction of soil moisture content significantly increased the toxic effects of imidacloprid on F. candida's survival (LC50 at 45% WHC = 23.8 vs. LC50 at 60% WHC >64 mg kg-1) and reproduction (effective concentration causing reductions in species reproduction of 50% [EC50] at 45% WHC = 0.32 vs. EC50 at 60% WHC = 2.83 mg kg-1), but in the Entisol no clear influence of the soil moisture on the toxicity of imidacloprid for collembolans was found. A significant risk for F. candida was observed in the Oxisol only when in water restriction, whereas in the Entisol it occurred regardless of soil moisture, suggesting that the imidacloprid hazard and risk for F. candida may be increased if soil moisture decreases due to climate changes, depending on the soil type.
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Affiliation(s)
- Thuanne Braúlio Hennig
- Dep. of Soil Science, Santa Catarina State Univ., Ave. Luis de Camões, 2090, Lages, SC, 88520-000, Brazil
- Federal Univ. of Fronteira Sul, Ave. Fernando Machado 108 E, Chapecó, SC, 89802112, Brazil
| | - Felipe Ogliari Bandeira
- Dep. of Soil Science, Santa Catarina State Univ., Ave. Luis de Camões, 2090, Lages, SC, 88520-000, Brazil
| | | | | | - Dilmar Baretta
- Dep. of Soil Science, Santa Catarina State Univ., Ave. Luis de Camões, 2090, Lages, SC, 88520-000, Brazil
- Centro de Educação Superior do Oeste, Santa Catarina State Univ., Beloni Trombeta Zanin, 680-E, Chapecó, SC, 89815-630, Brazil
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Segat JC, Baretta D, Oliveira Filho LCI, Sousa JP, Klauberg Filho O. Disentangling the effects of the aqueous matrix on the potential toxicity of liquid pig manure in sub-tropical soils under semi-field conditions. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 168:457-465. [PMID: 30415168 DOI: 10.1016/j.ecoenv.2018.10.085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 10/21/2018] [Accepted: 10/23/2018] [Indexed: 06/09/2023]
Abstract
Inadequate application of liquid pig manure (LPM) may pose risks to the soil due to the potential contaminants that exists, as well as by the large water input that can originate excessive moisture. By using Terrestrial Model Ecosystems, this study aimed to evaluate the effect of application of LPM (82% moisture) using the application rates of 20, 50 and 150 m3 ha-1 and also of the corresponding amount of water to understand the origin of effects on the soil fauna of two sub-tropical soils. In general, the results obtained for the two soil types indicated that LPM (150 m3 ha-1) changed the composition of soil fauna, with an increase in the abundance of insect larvae and dipterans, but a decrease in the number of earthworms and enchytraeids. Microbial biomass, soil respiration and the nutrients Mg, K and P increased with the amount of LPM supplied to the soil. When analysing the effects of adding large volumes of water via the LPM, results showed that application did not originate significant effects on the parameters measured. The differences obtained when comparing both treatments were mainly attributed to the organic load brought by the LPM and not to the amount of water without LPM.
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Affiliation(s)
- Julia Corá Segat
- Department of Animal Science, Santa Catarina State University (UDESC Oeste), Beloni Trombeta Zanin, 680-E, CEP:89815-630 Chapecó, SC, Brazil.
| | - Dilmar Baretta
- Department of Animal Science, Santa Catarina State University (UDESC Oeste), Beloni Trombeta Zanin, 680-E, CEP:89815-630 Chapecó, SC, Brazil
| | - Luís Carlos Iuñes Oliveira Filho
- Department of Soil Science, Centre for Agriculture and Veterinary Science, Santa Catarina State University (UDESC-Lages), Lages, Brazil
| | - José Paulo Sousa
- Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Portugal
| | - Osmar Klauberg Filho
- Department of Soil Science, Centre for Agriculture and Veterinary Science, Santa Catarina State University (UDESC-Lages), Lages, Brazil
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Pereira CS, Lopes I, Abrantes I, Sousa JP, Chelinho S. Salinization effects on coastal ecosystems: a terrestrial model ecosystem approach. Philos Trans R Soc Lond B Biol Sci 2018; 374:20180251. [PMID: 30509924 PMCID: PMC6283962 DOI: 10.1098/rstb.2018.0251] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/15/2018] [Indexed: 11/12/2022] Open
Abstract
In coastal areas, intrusion/irrigation with seawater can threaten biodiversity along with crop yields, and the leaching of salts from areas affected by these processes can increase the salinity of water bodies nearby. The aims of this study were to evaluate the effects of salinization on coastal soil ecosystems due to saline intrusion/irrigation. Terrestrial model ecosystems were used to simulate two soil salinization scenarios: (i) seawater intrusion and irrigation with distilled water and (ii) seawater intrusion and irrigation with saline water. Three sampling periods were established: T0-after acclimation period; T1-salinization effects; and T2-populations' recovery. In each sampling period, the abundance of nematodes, enchytraeids, springtails, mites and earthworms, and plant biomass were measured. Immediate negative effects on enchytraeid abundance were detected, especially at the higher level of saltwater via intrusion+irrigation. Eight weeks after the cessation of saline irrigation, the abundance of enchytraeids fully recovered, and some delayed effects were observed in earthworm abundance and plant biomass, especially at the higher soil conductivity level. The observed low capacity of soil to retain salts suggests that, particularly at high soil conductivities, nearby freshwater bodies can also be endangered. Under saline conditions similar to the ones assayed, survival of some soil communities can be threatened, leading to the loss of biodiversity.This article is part of the theme issue 'Salt in freshwaters: causes, ecological consequences and future prospects'.
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Affiliation(s)
- C S Pereira
- CFE - Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, P-3000 456 Coimbra, Portugal
| | - I Lopes
- Department of Biology and CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - I Abrantes
- CFE - Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, P-3000 456 Coimbra, Portugal
| | - J P Sousa
- CFE - Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, P-3000 456 Coimbra, Portugal
| | - S Chelinho
- CFE - Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, P-3000 456 Coimbra, Portugal
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Amossé J, Bart S, Péry ARR, Pelosi C. Short-term effects of two fungicides on enchytraeid and earthworm communities under field conditions. ECOTOXICOLOGY (LONDON, ENGLAND) 2018; 27:300-312. [PMID: 29404867 DOI: 10.1007/s10646-018-1895-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/08/2018] [Indexed: 06/07/2023]
Abstract
Because of the wide use of pesticides in agriculture, there is still a need of higher-tier field studies to assess ecotoxicological effects of commercial formulations on a wider variety of non-target soil organisms such as soil annelids. We here tested the effects of different concentrations of two fungicide formulations, i.e., Cuprafor Micro® (composed of 500 g kg-1 copper oxychloride) and Swing Gold® (composed of 50 g l-1 epoxiconazole and 133 g l-1 dimoxystrobin) on two families of terrestrial oligochaetes (Lumbricidae and Enchytraeidae) after 1 month of exposure. We also assessed the feeding activity of soil organisms using the bait lamina method. Along with the feeding activity, the enchytraeid density, diversity and communities were not different in the control and the contaminated plots. By contrast, epigeic earthworms were absent and earthworm diversity and densities of anecic species decreased significantly in the plots contaminated at ten times the recommended dose of the Swing Gold® formulation. The copper fungicide (at 0.75 and 7.5 kg Cu ha-1) and the treatment with the pesticide mixture (Cuprafor Micro® at 0.75 kg Cu ha-1 and Swing Gold® at the recommended dose) did not affect Oligochaeta communities compared with the control, except the Shannon index for earthworms in the mixture of both fungicides. Responses of the two annelid families to the tested pesticides were different with higher effects observed on the diversity and the community structure of earthworms compared with enchytraeids. This study allowed detecting early changes on oligochaete populations after pesticide application.
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Affiliation(s)
- Joël Amossé
- UMR ECOSYS, INRA, AgroParisTech, Université Paris-Saclay, Versailles, 78026, France.
| | - Sylvain Bart
- UMR ECOSYS, INRA, AgroParisTech, Université Paris-Saclay, Versailles, 78026, France
| | - Alexandre R R Péry
- UMR ECOSYS, INRA, AgroParisTech, Université Paris-Saclay, Versailles, 78026, France
| | - Céline Pelosi
- UMR ECOSYS, INRA, AgroParisTech, Université Paris-Saclay, Versailles, 78026, France.
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Schmidt PA, Schmitt I, Otte J, Bandow C, Römbke J, Bálint M, Rolshausen G. Season-Long Experimental Drought Alters Fungal Community Composition but Not Diversity in a Grassland Soil. MICROBIAL ECOLOGY 2018; 75:468-478. [PMID: 28785816 DOI: 10.1007/s00248-017-1047-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Accepted: 07/20/2017] [Indexed: 05/23/2023]
Abstract
Using terrestrial model ecosystems (TMEs), we investigated how reduced moisture conditions impact soil fungal communities from a temperate grassland over the course of an entire season. Starting at about 65% of the soil's maximum water holding capacity (WHCmax), TME soils were adjusted to three moisture levels for 15 weeks: 70% WHCmax, approximating starting conditions, 50% WHCmax, and 30% WHCmax, representing reduced moisture conditions. Diversity and abundances of soil fungi at the start and at the end of the experiment were characterized using Illumina meta-barcoding. Community diversity at the end of the experiment did not differ between experimental moisture levels and was comparable to diversity measures from the field. However, fungal communities did change compositionally in both abundances and presence/absence of species. Analyzing class-level and individual contributions of fungi to these changes revealed that only a minor portion reacted significantly, indicating that most compositional change was likely driven by many consistent small-scale shifts in presence/absences or abundances. Together, our results show that prolonged reduction in soil moisture conditions will trigger compositional changes in soil fungal communities but not necessarily change overall diversity. We highlight the cumulative contribution of minor but consistent changes among community members, as opposed to significant responses of individual species. We also detected a strong general experimental effect on soil fungi that are moved from the field to experimental TMEs, suggesting the importance of acclimatization effects in these communities under laboratory conditions.
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Affiliation(s)
- Philipp-André Schmidt
- Senckenberg Biodiversity and Climate Research Centre, Senckenberganlage 25, 60325, Frankfurt/Main, Germany
- Goethe Universität Frankfurt, Institut für Ökologie, Evolution und Diversität, Max-von-Laue-Str. 13, 60438, Frankfurt/Main, Germany
| | - Imke Schmitt
- Senckenberg Biodiversity and Climate Research Centre, Senckenberganlage 25, 60325, Frankfurt/Main, Germany
- Goethe Universität Frankfurt, Institut für Ökologie, Evolution und Diversität, Max-von-Laue-Str. 13, 60438, Frankfurt/Main, Germany
| | - Jürgen Otte
- Senckenberg Biodiversity and Climate Research Centre, Senckenberganlage 25, 60325, Frankfurt/Main, Germany
| | - Cornelia Bandow
- Senckenberg Biodiversity and Climate Research Centre, Senckenberganlage 25, 60325, Frankfurt/Main, Germany
- Goethe Universität Frankfurt, Institut für Ökologie, Evolution und Diversität, Max-von-Laue-Str. 13, 60438, Frankfurt/Main, Germany
- ECT Oekotoxikologie GmbH, 65439, Flörsheim/Main, Germany
| | - Jörg Römbke
- Senckenberg Biodiversity and Climate Research Centre, Senckenberganlage 25, 60325, Frankfurt/Main, Germany
- ECT Oekotoxikologie GmbH, 65439, Flörsheim/Main, Germany
| | - Miklós Bálint
- Senckenberg Biodiversity and Climate Research Centre, Senckenberganlage 25, 60325, Frankfurt/Main, Germany.
| | - Gregor Rolshausen
- Senckenberg Biodiversity and Climate Research Centre, Senckenberganlage 25, 60325, Frankfurt/Main, Germany.
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