Ecotoxicological effects of traffic-related pollutants in roadside soils of Moscow

Николаева, О. В.; Tikhonov, V. V.; Vecherskii, M. V.; Костина, Н. В.; Федосеева, Е. В.; Astaikina, Angelika

doi:10.1016/j.ecoenv.2019.01.068

Cited by 32 publications

(22 citation statements)

References 27 publications

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“…Evidence for increases in the concentration of potential toxic elements (e.g., Cd, Cr, Cu, Ni, Pb, Zn) in roadside soils has been reported for Australia [37], Russia [10], China [38], the USA [39], and many European countries [40]. The burning of fossil fuels, consumption of car tires, brake wear, and engine oil are the primary sources of these elements [41].…”

Section: Environmental Conditionsmentioning

confidence: 99%

“…We can suggest the formation of a PTE-tolerant microbial community on the leaves of roadsides, characterized by a low taxonomic diversity and a high metabolic activity in utilizing specific easily available substrates as an energy source [70]. In relation to aromatic compounds-the petrol organic derivatives on leaf surface-many studies demonstrate an increase in their concentration in the roadside environment [10,71,72]. Accordingly, we expected from the roadside phylloplane an enhanced capacity for aromatic ring degradation developed after constant exposure to these pollutants; this, however, was not confirmed.…”

Section: Phylloplane: Sensitive Indicators To Distance From the Roadmentioning

confidence: 99%

“…In comparison to natural conditions, urbanization coincides with multiple anthropogenic effects and stressors. Urban GIs are subjected to habitat fragmentation [7], mesoclimatic anomalies [8], and maintenance practices [9], and they are exposed to soil and air pollution [10]. Air purification by absorbing dust on leaf surfaces is among the principal ecosystem services of urban GIs [11], whereas the amount and composition of dust deposited on the tree leaf surface is considered an indicator of the pollution level and pollution source [12].…”

Section: Introductionmentioning

confidence: 99%

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Phylloplane Biodiversity and Activity in the City at Different Distances from the Traffic Pollution Source

Ivashchenko

Korneykova

Сазонова

et al. 2022

Plants

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The phylloplane is an integrated part of green infrastructure which interacts with plant health. Taxonomic characterization of the phylloplane with the aim to link it to ecosystem functioning under anthropogenic pressure is not sufficient because only active microorganisms drive biochemical processes. Activity of the phylloplane remains largely overlooked. We aimed to study the interactions among the biological characteristics of the phylloplane: taxonomic diversity, functional diversity and activity, and the pollution grade. Leaves of Betula pendula were sampled in Moscow at increasing distances from the road. For determination of phylloplane activity and functional diversity, a MicroResp tool was utilized. Taxonomic diversity of the phylloplane was assessed with a combination of microorganism cultivation and molecular techniques. Increase of anthropogenic load resulted in higher microbial respiration and lower DNA amount, which could be viewed as relative inefficiency of phylloplane functioning in comparison to less contaminated areas. Taxonomic diversity declined with road vicinity, similar to the functional diversity pattern. The content of Zn in leaf dust better explained the variation in phylloplane activity and the amount of DNA. Functional diversity was linked to variation in nutrient content. The fraction of pathogenic fungi of the phylloplane was not correlated with any of the studied elements, while it was significantly high at the roadsides. The bacterial classes Gammaproteobacteria and Cytophagia, as well as the Dothideomycetes class of fungi, are exposed to the maximal effect of distance from the highway. This study demonstrated the sensitivity of the phylloplane to road vicinity, which combines the effects of contaminants (mainly Zn according to this study) and potential stressful air microclimatic conditions (e.g., low relative air humidity, high temperature, and UV level). Microbial activity and taxonomic diversity of the phylloplane could be considered as an additional tool for bioindication.

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Section: Environmental Conditionsmentioning

confidence: 99%

Section: Phylloplane: Sensitive Indicators To Distance From the Roadmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Phylloplane Biodiversity and Activity in the City at Different Distances from the Traffic Pollution Source

Ivashchenko

Korneykova

Сазонова

et al. 2022

Plants

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“…In recent years, studies on the effects of pollutants on soil invertebrates have focused largely on pesticides (Gunstone et al 2021; Pelosi et al 2014) and heavy metals (Li et al 2020; Liu et al 2020; Nikolaeva et al 2019). Currently, other pollutants such as microplastic or airborne particulate matter deriving from industrial and urban sources are increasingly drawing attention from scientists due to their ubiquity and amounts released into the environment (Horton et al 2017; Machado et al 2018; Rillig and Lehmann 2020; Wu et al 2019; Zhang et al 2021a; Zhang et al 2021b).…”

Section: Introductionmentioning

confidence: 99%

Comparison of fitness effects in the earthworm Eisenia fetida after exposure to single or multiple anthropogenic pollutants

Holzinger

Mair

Luecker

et al. 2022

Preprint

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Terrestrial ecosystems are exposed to many anthropogenic pollutants. Non-target effects of pesticides and fertilizers have put agricultural intensification in the focus as a driver for biodiversity loss. However, other pollutants, such as heavy metals, particulate matter, or microplastic also enter the environment, e.g. via traffic and industrial activities in urban areas. As soil acts as a potential sink for such pollutants, soil invertebrates like earthworms may be particularly affected by them. Under natural conditions soil invertebrates will likely be confronted with combinations of pollutants simultaneously, which may result in stronger negative effects if pollutants act synergistically. Within this work we study how multiple pollutants affect the soil-dwelling, substrate feeding earthworm Eisenia fetida. We compared the effects of the single stressors, polystyrene microplastic fragments, polystyrene fibers, brake dust and soot, with the combined effect of these pollutants when applied as a mixture. Endpoints measured were survival, growth, reproductive fitness, and changes in three oxidative stress markers. We found that among single pollutant treatments, brake dust imposed the strongest negative effects on earthworms in all measured endpoints including increased mortality rates. Sub-lethal effects were found for all pollutants. Exposing earthworms to all four pollutants simultaneously led to effects on mortality and oxidative stress markers that were smaller than expected by the respective null models. These antagonistic effects are likely a result of the adsorption of toxic substances found in brake dust to the other pollutants. With this study we show that effects of combinations of pollutants cannot necessarily be predicted from their individual effects and that combined effects will likely depend on identity and concentration of the pollutants.

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“…toxicity stress due to the excessive tissue concentrations of Na + and Cl − ions. Salt stress disrupts most of the key metabolic processes in trees, including photosynthesis, enzyme synthesis, lipid metabolism, and energy processes (Equiza et al 2017;Sarker and Oba 2018;Nikolaeva et al 2019;Zhou et al 2019;Łuczak et al 2021).…”

Section: Introductionmentioning

confidence: 99%

The importance of prenol lipids in mitigating salt stress in the leaves of Tilia × euchlora trees

Baczewska-Dąbrowska

Dmuchowski

Gozdowski

et al. 2021

Trees

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Key message Plants use multiple mechanisms to deal with salt stress. Salt stress increases the content of polyprenols inTilia’s leaves, which may mitigate stress. Abstract De-icing salt has been used on streets and pavements in most northern countries since the 1960s. Salt stress limits all vital functions of trees. Tilia × euchlora is planted in many cities given its unique decorative qualities. The aim of this study was to determine the tree strategy to mitigate salt stress due to the synthesis of polyprenols in leaves. Many years of observations have demonstrated that trees of the same species growing in the same street conditions may have extremely different health statuses. The study consisted of two experiments: a field experiment with urban street trees growing in saline soils and a controlled pot experiment with young trees exposed to increasing doses of salt. The differences between the young trees from the pot experiment and older trees from the field experiment were expressed in their ability to synthesize polyprenols. In urban conditions, the tree leaves with less damage contained significantly more polyprenols than did those with more damage. The salt stress mitigation strategy may be related to the ability to synthesize polyprenols. This ability can be acquired through adaptation by older trees. The mechanism involves limiting the transport of Cl− and Na+ to leaves. In the pot experiment, the young trees did not exhibit this ability.

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Ecotoxicological effects of traffic-related pollutants in roadside soils of Moscow

Cited by 32 publications

References 27 publications

Phylloplane Biodiversity and Activity in the City at Different Distances from the Traffic Pollution Source

Phylloplane Biodiversity and Activity in the City at Different Distances from the Traffic Pollution Source

Comparison of fitness effects in the earthworm Eisenia fetida after exposure to single or multiple anthropogenic pollutants

The importance of prenol lipids in mitigating salt stress in the leaves of Tilia × euchlora trees

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