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Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

Whole Body / General

Impact of Extremely Low Frequency Electromagnetic Fields on Soil Arthropods

No Effects Found

Bernard Greenberg · 1972

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Military ELF antenna at 45-75 Hz showed no effects on soil insects after two years of operation.

Plain English Summary

Summary written for general audiences

Researchers studied soil insects (springtails and mites) living near a military ELF antenna system in Wisconsin that operated at 45-75 Hz frequencies. After two years of antenna operation, they found no significant differences in insect populations compared to control areas 7-12 miles away. The study suggests that extremely low frequency electromagnetic fields at these power levels don't harm soil arthropod communities.

Cite This Study
Bernard Greenberg (1972). Impact of Extremely Low Frequency Electromagnetic Fields on Soil Arthropods.
Show BibTeX
@article{impact_of_extremely_low_frequency_electromagnetic_fields_on_soil_arthropods_g7062,
  author = {Bernard Greenberg},
  title = {Impact of Extremely Low Frequency Electromagnetic Fields on Soil Arthropods},
  year = {1972},
  
  
}

Quick Questions About This Study

The military Sanguine antenna system operated at extremely low frequencies of 45 Hz and 75 Hz, which are very close to standard power line frequencies of 50-60 Hz that we encounter daily.
The soil insects were exposed to ELF electromagnetic fields for two full years of antenna operation, from 1969 through 1971, providing a substantial chronic exposure period.
Researchers studied springtails and three different groups of mites, which are the most abundant arthropods living in soil ecosystems and serve as indicators of environmental health.
Control soil samples were collected from similar habitats located 7 to 12 miles away from either leg of the antenna system to ensure no ELF exposure.
No, soil arthropod populations near a power substation showed no significant differences compared to control areas, similar to the main antenna study results.