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Nature & Environment

Warmer oceans causing species migration

By T.K. Randall
June 29, 2011 · Comment icon 8 comments



Image Credit: Wikipedia
Poisonous algae and jellyfish are being found in British waters due to warmer ocean temperatures
Despite dying out over 800,000 years ago, species of venomous jellyfish and poisonous algae are being found off the coast of Britain as well as Scandinavia. The Portuguese Man-of-War and and the algae called dinoflagellates are both normally found in more sub-tropical ocean waters, but are migrating farther north where the waters are still warm. This is the largest migration seen in 2 million years.
Warming ocean waters are causing the largest movement of marine species seen on Earth in more than two million years, according to scientists. In the Arctic, melting sea ice during recent summers has allowed a passage to open up from the Pacific ocean into the North Atlantic, allowing plankton, fish and even whales to into the Atlantic Ocean from the Pacific. The discovery has sparked fears delicate marine food webs could be unbalanced and lead to some species becoming extinct as competition for food between the native species and the invaders stretches resources.


Source: Telegraph | Comments (8)


Recent comments on this story
Comment icon #1 Posted by xXHellkittiesXx 12 years ago
Unexplained mystery? No.
Comment icon #2 Posted by Trakyan 12 years ago
not everything posted here is an unexplained mystery but here is one why did we let this happend and what will we do to help? and i dont think eating jellyfish or poisonous alge is an option....
Comment icon #3 Posted by Coffey 12 years ago
Unexplained mystery? No. Erm.... "Science and Space"...... LOL
Comment icon #4 Posted by BrianPotter 12 years ago
Britain doesn't have a plethora of poisonous snakes(Adder aside) or spiders that can kill you or insects that can do you much harm or sharks that see lunch when we go in the sea and this was all down to our inclement climate.Are we readying ourselves for a future of checking your shoes before you put them on or making sure the toilet doesn't hold any poisonous surprises or boats checking to see if the shark nets have any teeth machines in them..(i love nature of all kinds but deadly ones from a distance) ...... call me a coward but i for one hope not....
Comment icon #5 Posted by Wickian 12 years ago
I've seen more than one jellyfish when I used to go to the beach. When they swim near the surface you can see them easily. I haven't encountered any sharks though, only dolphins. When I was a kid I would leave my shoes outside a lot and put them on without checking to make nothing is in them. More than once I've put my foot in to feel a lump near my toes only to have a black widow fall out when I shook it out.
Comment icon #6 Posted by Coffey 12 years ago
Britain doesn't have a plethora of poisonous snakes(Adder aside) or spiders that can kill you or insects that can do you much harm or sharks that see lunch when we go in the sea and this was all down to our inclement climate.Are we readying ourselves for a future of checking your shoes before you put them on or making sure the toilet doesn't hold any poisonous surprises or boats checking to see if the shark nets have any teeth machines in them..(i love nature of all kinds but deadly ones from a distance) ...... call me a coward but i for one hope not.... It's definitly something that has made ... [More]
Comment icon #7 Posted by BrianPotter 12 years ago
Yeah me too.....im happy with our bad weather and annoying insects...they annoy me but dont want to eat me from the inside out...
Comment icon #8 Posted by Still Waters 12 years ago
Britain doesn't have a plethora of poisonous snakes(Adder aside) or spiders that can kill you or insects that can do you much harm or sharks that see lunch when we go in the sea. Thank goodness...


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