Trillions of high-flying migratory insects cross over UK

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Trillions of high-flying migratory insects cross over UK

#1  Postby DougC » Dec 23, 2016 9:13 pm

B.B.C. Article
For the first time scientists have been able to track the hordes of high-flying insects that pass across the skies of Southern England every year.
Unseen and unnoticed by humans, researchers found that 3.5 trillion bugs and butterflies annually migrate across the region.
The researchers say their mass is equivalent to 20,000 flying reindeer.

Vertical facing radar was used at several sites in Southern England to monitor the insects

The count was made using vertical radar and insect nets mounted on balloons.
Over a 10-year period, the scientists looked at insects flying night and day, between 150 and 1200m above the ground.
While their origins weren't recorded the researchers believe that many were travelling to and from the UK from across the English Channel and the North Sea.

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