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Posts Tagged ‘Balmori’

Possible effects of electromagnetic fields from phone masts on a population of white stork (Ciconia ciconia)

Posted by seumasach on March 30, 2014

Alfonso Balmori

Consejería de Medio Ambiente, Junta de Castilla y León, Valladolid, Spain

Electromagnetic Biology and Medicine, 24: 109–119, 2005


Living Planet

Monitoring of a white stork population in Valladolid (Spain) in the vicinity of Cellular Phone Base Stations was carried out, with the objective of detecting possible effects. The total productivity, in the nests located within 200meters of antennae, was 0􏰀86±0􏰀16. For those located further than 300m, the result was practically doubled, with an average of 1􏰀6±0􏰀14. Very significant differences among the total productivity were found (U = 240􏰁 p = 0􏰀001, Mann-Whitney test). In partial productivity, an average of 1􏰀44 ± 0􏰀16 was obtained for the first group (within 200m of antennae) and of 1􏰀65±0􏰀13 for the second (further than 300m of antennae), respectively. The difference between both groups of nests in this case were not statistically significant (U = 216􏰁 P = 0􏰀26, Mann-Whitney Test U). Twelve nests (40%) located within than 200m of antennae never had chicks, while only one (3.3%) located further than 300m had no chicks. The electric field intensity was higher on nests within 200m (2􏰀36±0􏰀82V/m) than on nests further than 300m (0􏰀53 ± 0􏰀82 V/m). Interesting behavioral observations of the white stork nesting sites located within 100m of one or several cellsite antennae were carried out. These results are compatible with the possibility that microwaves are interfering with the reproduction of white storks and would corroborate the results of laboratory research by other authors.

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Efectos de las Radiaciones Electromagenticas de la Telefonia Movil Sobre los Insectos

Posted by seumasach on July 24, 2009


Revista Ecosistemas

January 2006

Se presenta una revisión de estudios de laboratorio realizados exponiendo insectos a radiaciones electromagnéticas en el rango de las

microondas, similares a las utilizadas por los sistemas de telefonía que se utilizan actualmente, y a campos electromagnéticos de baja

frecuencia. Las microondas pulsadas y moduladas de la telefonía son un reciente contaminante ubicuo, cuyas consecuencias todavía no

han podido ser evaluadas convenientemente. Los estudios realizados indican efectos sobre este grupo de fauna, con previsibles

consecuencias sobre los ecosistemas. Se recomienda la realización de seguimientos y estudios en las proximidades de las estaciones base

de telefonía, donde existen los niveles más elevados de contaminación electromagnética y se exponen algunas características técnicas que

pueden ayudar a identificar las áreas más afectadas por la radiación.

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