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Environmental research v.160, 2018년, pp.60 - 76   SCI SCIE
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Systematic review of biological effects of exposure to static electric fields. Part II: Invertebrates and plants

Schmiedchen, Kristina (Research Center for Bioelectromagnetic Interaction, RWTH Aachen University, Pauwelsstraße 30, 52074 Aachen, Germany ) ; Petri, Anne-Kathrin (Research Center for Bioelectromagnetic Interaction, RWTH Aachen University, Pauwelsstraße 30, 52074 Aachen, Germany ) ; Driessen, Sarah (Research Center for Bioelectromagnetic Interaction, RWTH Aachen University, Pauwelsstraße 30, 52074 Aachen, Germany ) ; Bailey, William H. (Center for Occupational and Environmental Health Risk Assessment, Exponent, 17000 Science Drive, Suite 200, Bowie, MD 20715, USA ) ;
  • 초록  

    Abstract Background The construction of high-voltage direct current (HVDC) lines for the long-distance transport of energy is becoming increasingly popular. This has raised public concern about potential environmental impacts of the static electric fields (EF) produced under and near HVDC power lines. As the second part of a comprehensive literature analysis, the aim of this systematic review was to assess the effects of static EF exposure on biological functions in invertebrates and plants and to provide the basis for an environmental impact assessment of such exposures. Methods The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) was used to guide the methodological conduct and reporting. Results Thirty-three studies – 14 invertebrate and 19 plant studies – met the eligibility criteria and were included in this review. The reported behavioral responses of insects and planarians upon exposure strongly suggest that invertebrates are able to perceive the presence of a static EF. Many other studies reported effects on physiological functions that were expressed as, for example, altered metabolic activity or delayed reproductive and developmental stages in invertebrates. In plants, leaf damage, alterations in germination rates, growth and yield, or variations in the concentration of essential elements, for example, have been reported. However, these physiological responses and changes in plant morphology appear to be secondary to surface stimulation by the static EF or caused by concomitant parameters of the electrostatic environment. Furthermore, all of the included studies suffered from methodological flaws, which lowered credibility in the results. Conclusion At field levels encountered from natural sources or HVDC lines ( 35kV/m), adverse effects on physiology and morphology, presumably caused by corona-action, appear to be more likely. Higher quality studies are needed to unravel the role of air ions, ozone, nitric oxide and corona current on alterations in physiological functions and morphology. Highlights Environmental impacts of static EF were assessed in invertebrate and plant studies. Invertebrates are able to perceive the presence of static EF near HVDC power lines. No evidence for adverse effects on physiological functions at HVDC field levels. Corona-action appears to cause adverse biological effects at very high field levels. Methodological flaws in all reviewed studies lowered credibility in the results.


  • 주제어

    Static electric field .   High-voltage direct current .   Environmental impact .   Field perception .   Physiological functions.  

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