Social Media Sidebar


Please sign up, comment on articles and bring your friends!

Current poll

PlanetTech is asking:

What do you think about our new web site?

Love it, indeed
Really good solution
Same as old one
The old one was better
This is a new option

Quote of the day

Just because something doesn’t do what you planned it to do doesn’t mean it’s useless.


Thomas Edison

Polar bears migrate to escape effects of climate change

Posted in Science on 10th Jan, 2015 10:33 PM by AlexMuller

Polar bears are taking matters into their own hands and standing up to climate change, by shifting their distribution patterns towards icier areas further north. Warming temperatures are driving dramatic losses in sea ice, leaving these cold-climate mammals stranded. That's bad news for polar bears that depend on sea ice to travel, and in some areas den.


If the rate of climate change doesn't let up soon, these amazing animals will be gone before 2100, experts say. Populations have already plummeted a whopping 40 percent in the last decade alone as severe ice loss - forcing polar bears to travel further to find food, leads to starvation.

And with Arctic sea ice expected to disappear entirely by the end of the century, polar bears are quickly realizing that it's either adapt or die. "In general, polar bears move with their habitat," Elizabeth Peacock, a US Geological Survey (USGS) researcher, explained to Discovery News. "Sea ice is like a moving sidewalk and they travel with it," she continued. "Bears likely move towards places with better access to prey and mates."
Their go-with-the-flow attitude has been leading polar bears towards the Canadian Archipelago, which is north of the Canadian mainland in the Arctic. In the new study, published in the journal PLOS ONE, Peacock and her team identified four genetically similar clusters of polar bears, hailing from the Eastern Polar Basin, Western Polar Basin, Southern Canada and the Canadian Archipelago. DNA analysis showed that gene flow has shifted toward the latter location.
But polar bears aren't the only ones affected by climate change and thus changing their ways. Walruses, which normally gather on sea ice, are instead taking to the beaches, as seen when a hoard of 35,000 clambered to the Alaskan coast near Point May back in October. However, they may have in fact been stranded and not intentionally sought out real estate on the beach.

Tags: iceclimate changepolar bearanimalbiology

Read original article » Back to category


Author: Guest
Posted: 2015-07-29
I am an experienced Flying Scot siaolr and racer as crew.I owned and raced a Lightning for 25 years.Currently own an Ensign on a lake in NY State.Recently moved to Sarasota and looking to start sailing as crew.Ocean experience including Bermuda (from Mystic, CT) and east coast deliveries of cruising boats.Experienced GPS and conventional navigation.Cell 860-961-4492 or land line 941-706-2186 Reply


Recent headlines

  • Posted in Science on 2018-06-20 02:26:18
    Pushing the limit: could cyanobacteria terraform Mars? more
    Posted in Medicine on 2018-06-20 02:23:08
    Hospital Begins Testing VR As A Pain Relief more
    Posted in Medicine on 2018-06-18 20:18:46
    Insight into role gut bacteria play in more
    Posted in Science on 2018-06-18 20:12:58
    Blood-based biomarker may predict whether you’ll more
    Posted in Science on 2018-06-17 23:45:17
    SpinLaunch raises $40M from Airbus, Google and others more
Posted in Business on 2013-10-10 01:33
China is working towards a manned lunar mission in more
Posted in Business on 2013-10-20 07:17
Spacex says China is their main competitor for more
Posted in Software on 2013-10-20 06:43
Pirate Bay Browser Clocks 1,000,000 more
Posted in Medicine on 2013-10-10 02:10
Google reportedly investing hundreds of millions into more
Posted in Medicine on 2013-10-14 03:13
Endothelial Cells Can Repair and Regenerate Organs, more
Posted in Science on 01.01.2010
Spacex says China is their main competitor for more
Posted in Science on 01.01.2010
Staring at Your Phone Could Be Making You Short more
Posted in Science on 01.01.2010
Oculus Rift virtual reality headset coming to mobile, more
Posted in Science on 01.01.2010
China is working towards a manned lunar mission in more
Posted in Science on 01.01.2010
Delivering drugs via nanoparticles to target more

Recent Blog Posts

  • Posted by AlexMuller
    In five years quantum computing will be more
    Posted by AlexMuller
    Google partners with Johnson and Johnson to make lower more
    Posted by AlexMuller
    Electron holography microscope with spatial resolution down more
    Posted by AlexMuller
    Lower cost advanced Nuclear power could dominate future US more
    Posted by AlexMuller
    Why Hasn’t AI Mastered Language Translation? more

Login to your Account

Login to your PlanetTech Account here

Remember me

Create a New Account

You just need username and password

The following errors occured:
Verify password:
Remember me