この研究は、携帯電話基地局から約140m離れた位置にある市中の建物の4階のテラスに水槽を置き、この水槽内に入れたごく一般的なカエル(Rana temporaria)をばく露群(n=70)とし、室内のファラデーケージ内に置いた水槽のカエルを対照群(n=70)として、両群を卵からオタマジャクシになるまで2ヵ月間観察して比較した。その結果、対照群での発達が正常であったのに比べ、ばく露群では種々の発生異常が観察されたことを報告している。
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To study the possible effects of mobile phone base station irradiation on tadpoles.
The experiment was performed in Valladolid (Spain). The tadpoles were placed in two tanks with oxygen and food every day, which were set out on the fifth floor terrace at a distance of 140 meters from several base stations. Two groups were used (exposure and control group, each group n= 70). The experiment lasted two months, from the egg phase until an advanced phase of tadpole prior to metamorphosis.
ばく露の発生源/構造 | |
---|---|
Distance between exposed object and exposure source | 140 m |
ばく露装置の詳細 | base stations antennas on roof of an eight story building; exposed frogs kept in tanks opposite of the base station antennas on a fifth floor terrace; sham exposure group placed inside a Faraday cage |
Sham exposure | A sham exposure was conducted. |
The data showed in the exposed group low coordination of movements, an asynchronous growth (resulting in both big and small tadpoles) and a high mortality (90%). In the control group under the same conditions but inside a Faraday cage, the coordination of movements was normal, the development was synchronous, and the mortality rate was 4.2%.
These findings indicate that exposure to mobile phone base stations in a real situation may affect the development and may cause an increase in mortality of exposed tadpoles.
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