Tag Archives: polar bear

Polar Bears Are Spending More Time on Land During the Summer

Polar bears are spending more time on land than ever before. To be exact, bears around the Chuchki Sea are spending a month longer on land during the summer, according to a new study.

Research wildlife biologist with the Alaska Science Center of the U.S. Geological Survey and lead author Karyn Rode says:

“They are spending approximately 30 more days on land, which is pretty substantial in the summer. Where they come on land during the summer is changing because of the ice conditions…They’re either sitting, laying or standing. They aren’t moving around very much to forage,” she said. “When we look at this activity sensor, it’s incredibly low.”

The researchers analyzed data from radio collars on 103 female polar bears between 1986-1996 and compared them to data from 47 bears in 2008-2013. They found that bears now spend a month longer on land, that almost twice as many bears spend their summers on land and that more than 90% of time on land is spent resting.

So far, this has not affected the bears’ nutrition, but there is debate about whether polar bears can sustain themselves on a land-based diet. As the summer sea ice continues to melt, polar bears will likely spend more and more time onshore and, unfortunately, recent studies show that polar bears’ cannot sustain themselves during long periods of famine. In addition, more time onshore will increase the chance of conflict with humans.

Rode says:

“The results of our study are consistent with studies in other regions where polar bears have experienced substantial sea ice loss. As sea ice loss occurs, polar bears increasingly use land habitats where they have minimal to no access to their marine mammal prey and are increasingly likely to interact with humans.”

Featured image by U.S. Fish and Wildlife Service Headquarters / CC BY 2.0

Advertisements

Watch This Adorable Baby Polar Bear Grow Up [VIDEO]

This insanely cute baby polar bear at the Columbus Zoo is growing up so fast! Watch the video to see her go from one week to almost 3 months old and learning to walk on all fours:

U.S. and Russia Have Joined Forces to Save the Polar Bear

The U.S., Russia, Canada, Denmark and Norway have teamed up to save the polar bear. The five countries – each with territory above the Arctic Circle and all signatories to a 1973 treaty to preserve the species – signed a new agreement to protect the bears as climate change melts its home.

The agreement involves a new 10-year plan that brings the countries together in a pan-Arctic approach. Scientists will work together to collect better estimates of current polar bear populations and evaluate the effects of climate change, pollution and disease. They will meet every two years to report on the progress and collaborate further.

Director of the World Wildlife Fund’s Global Arctic Program Alexander Shestakov says:

“After 40 years of cooperation, this is the first time when parties came together to agree on one circumpolar action plan for polar bears. It doesn’t mean for 40 years they weren’t doing anything. But there was a real need for a pan-Arctic approach.”

Photo by Christopher Michel / CC BY 2.0
Photo by Christopher Michel / CC BY 2.0

When the countries first signed the 1973 treaty to protect polar bears, the major threat was uncontrolled hunting. Now, the biggest threat is climate change and warming temperatures in the Arctic, as polar bears overall lack the ability to survive in warmer temperatures

Specifically, higher temperatures result in melting sea ice, which takes away the polar bears only habitat and the habitat of its prey. Melting ice has also stranded polar bears on land for longer periods in the year, leaving them with less access to food and more risk from people.

This summer proved to be another near record melting of sea ice. An image of an emaciated polar bear in Norway’s Svalbard archipelago by German photographer Kerstin Langenberger shows just how terrible this issue has become. She posted the image to Facebook on August 20 and it quickly went viral, becoming the latest symbol of climate change. Sadly, Langenberger says it was not an unusual sight:

Photo by Kerstin Langenberger
Photo by Kerstin Langenberger

Polar bears cannot survive in the wild unless the Arctic remains cold enough and covered by a good deal of ice year-round. But temperatures will continue to rise and ice will continue to melt if we don’t take action. Over the next few decades, countries around the world must cut burning coal and oil. If not, scientists believe the Arctic summer sea ice will disappear by the middle of the century and with it, the polar bears will likely disappear too.

 
 
Featured image by Kerstin Langenberger

Polar Bear Jumping

Photo by Arturo de Frias Marques, Bering Land Bridge National Preserve / CC BY-SA 2.0

Polar Bear Jumping