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Global studies show that the number of species migrating into foreign ecosystems is constantly increasing. Not all of these species are able to establish themselves in single.de kosten new environments. However, successful bio-invaders have was sollte eine frau beim flirten beachten potential to cause major changes in their new ecosystems.

Also in the Baltic Sea, numerous foreign species have been identified over the past decades. A prominent example is the American comb jellyfish Mnemiopsis leidyi, also called sea walnut.

The Latin name of the species is Blackfordia virginica. It single.de kosten forming a new component of the ecosystem," says Dr. The single.de kosten Blackfordia virginica was first described scientifically in the waters off the US state of Virginia in Later studies suggest, however, that it originates from the Black Sea. Since the single.de kosten it has been found in brackish waters in northern France and since the s also in Portugal," explains Dr. Jaspers, "so here we single.dee a species with a long successful history as invader of foreign ecosystems, that can reach very high population densities there.

However, since the canal is kostem busiest artificial waterway in the world, ships are the most kosgen culprit. As ballast water is not allowed to be pumped out in the canal, the jellyfish probably has arrived as polyps on ship single.de kosten that have released young jellyfish, so-called Single.de kosten, into the water.

The scientists were also able to detect specimens outside single.de kosten canal, in the Kiel Fjord. So far, however, there is no evidence that the species is actively recruiting there. We therefore expect a further spread of the species," says Dr. What consequences this sjngle.de have for the Baltic Sea is still unclear. From other regions it is known that Blackfordia virginica is a considerable competitor to other organisms feeding on plankton.

This could ultimately have economic consequences. The study was supported by students of the Kiel Master's programme "Biological Oceanography", who fished and inspected several thousand cubic metres of water from Flensburg to Finland during their educational cruise with the research vessel ALKOR in August Especially the gelatinous plankton, i. First record of the non-indigenous jellyfish Blackfordia virginica Mayer, in the Baltic Sea.

Single.de kosten Marine Research, https: A specimen of Blackfordia virginica. Fees, Cost of living etc. Centre Research Studying Discover. A new jellyfish species has colonized single.de kosten Kiel Canal. The brackish-water loving Blackfordia virginica has been a new player in the local ecosystem since summer

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