King Penguins Expected To Be on the Move Very Soon
King penguins are in fact picky animals: in order to form a colony where they can mate, lay eggs and rear chicks over a year, they need tolerable temperature all year round, no winter sea ice around the island, and smooth beach of sand or pebbles. But, above all, they need an abundant and reliable source of food close by to feed their chicks. For millennia, this seabird has relied on the Antarctic Polar Front, an upwelling front in the Southern Ocean concentrating enormous amounts of fish on a relatively small area.
The pinguins form colonies in Crozet, Kerguelen and Marion sub-Antarctic islands.
Credit: Copyright: Celine LeBohec
More than 70 percent of the global King penguin population may be nothing more than a memory in a matter of decades, as global warming will soon force the birds to move south, or disappear.
Credit: Copyright: Celine LeBohec
King penguins are picky animals.
Credit: Copyright: Celine LeBohec
But there is a major difference this time: for the first time in the history of penguins, human activities are leading to rapid and/or irreversible changes in the Earth system, and remote areas are no exception. In addition to the strongest impact of climate change in Polar Regions, Southern Ocean is now subject to industrial fishing, and penguins may soon have a very hard time fighting for their food. “
Contacts and sources:
University of Vienna
Cristofari R., Liu X., Bonadonna F., Cherel Y., Pistorius P., Le Maho Y., Raybaud V., Stenseth N.C., Le Bohec C. and Trucchi E. (2018) Climate-driven range shifts of the king penguin in a fragmented ecosystem. Nature Climate Change. DOI: 10.1038/s41558-018-0084-2
Source: http://www.ineffableisland.com/2018/02/king-penguins-expected-to-be-on-move.html
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