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An invasion of jelly fish in Northern Greece

15 March 2010 / 15:03:34  GRReporter
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The tourists on the costs of Northern Greece noticed that there was an invasion of jelly fish in the past few days. The phenomenon is very unpleasant for the people swimming in the sea as the touch with the mollusks causes the feeling of strong burning. The scientists however are talking about a normal August phenomenon.

The jelly fish have taken over the beaches of Halkidiki, Kavala and Pieria, however also the beaches of some islands in the Aegean sea like Limnos and St. Efstratios. Scientists from the institute for examination of the sea depths in Mitilini are talking about a phenomenon which is observed periodically in the Greek seas. The sensible increase of the population of these sea mollusks depends mostly on the temperatures and the quantity of the plankton. When the plankton, which is their main food, increases, the reproduction of the jelly fish sharply increases. Generally they live far out in the seas, however where there are strong currents they could also reach to the coasts.


            The organized beaches in Northern Greece are supplied with nets which are keeping the jelly fish away from the coast. To the visitors of the free beaches the doctors are recommending to swim in the sea with masks on their faces. Yet they remind that the burning of a jelly fish is not pleasant, however it is not harmful for the people. The true danger are the sea urchins.



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