Loss of Arctic Ice May Promote Hybrid Marine Mammals


2010-12-16 Science Daily

Bowhead whales (Balaena mysticetus). In cases such as interbreeding between the rare North Pacific right whale, with fewer than 200 individuals believed to be left, and more numerous bowhead whales, interbreeding could mean extinction of the rarer, smaller population. (Credit: NOAA)

Bowhead whales (Balaena mysticetus). In cases such as interbreeding between the rare North Pacific right whale, with fewer than 200 individuals believed to be left, and more numerous bowhead whales, interbreeding could mean extinction of the rarer, smaller population. (Credit: NOAA)

Scientists have expected for some time that the Arctic Ocean will be ice-free in summer by the end of this century. Writing in the December 15 issue of the journal Nature, a trio of researchers say the seasonal loss of this ice sheet, a continent-sized natural barrier between species such as bears, whales and seals, could mean extinction of some rare marine mammals and the loss of many adaptive gene combinations.

More (click here)

Advertisements
This entry was posted in Uncategorized and tagged . Bookmark the permalink.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s