Environment Fellowship of Rotarians - Bulletin Board

Discussion Forum and Project Board of Environment Activities of Rotarians
It is currently Fri 15. Dec 2017, 00:48

All times are UTC




Post new topic Reply to topic  [ 1 post ] 
Author Message
 Post subject: Why Are Alaska Polar Bears Losing Their Fur? Scientists
PostPosted: Sat 21. Apr 2012, 03:42 
Offline

Joined: Wed 1. Apr 2009, 21:22
Posts: 2137
From: Kieran Mulvaney, Discovery News
Published April 10, 2012 03:12 PM



Why Are Alaska Polar Bears Losing Their Fur?


Scientists are trying to determine why some polar bears in Alaska are suffering from fur loss and skin lesions, and whether the phenomenon is related to a disease that has been killing seals in the region.

According to United States Geological Survey (USGS) chief biologist Tony DeGange, scientists examined 33 bears during routine field studies in the southern Beaufort Sea region near Barrow in late March and early April; of those, nine had fur loss, or alopecia, and other skin lesions. DeGange says that, while it is not atypical to find some bears with those symptoms, it is unusual to discover the ailments in so many in such a short time.

"The first day we observed it was on March 21st and we had three captures and two of them had alopecia, and so it was like, 'Oh that’s interesting,'" he told the Alaska Public Radio Network. "Then we started picking it up on other animals in later March so it was like, this is more than normal."

Biologists collected blood and tissues from the affected bears to try and determine if the symptoms are related to a mysterious illness that has been found in seals and walruses. That disease was first noticed last summer, when 60 seals were found dead and another 75 diseased. Most of the affected animals were ringed seals, which are polar bears' primary prey; but ribbon, bearded, and spotted seals were also stricken.

Article continues at Discovery News


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 1 post ] 

All times are UTC


Who is online

Users browsing this forum: No registered users and 1 guest


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
cron
Powered by phpBB © 2000, 2002, 2005, 2007 phpBB Group