1 / 3

 Bottleneck effect 

 .  Bottleneck effect . Owen  Rachael . Elephant seals.

ardara
Download Presentation

 Bottleneck effect 

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1.  Bottleneck effect  Owen Rachael

  2. Elephant seals Northern Elephant seals have smaller genetic variation because of a population bottleneck humans inflicted on them in the 1890’s. Hunting made their population size smaller (20!!!) in 10 years. Their population has since regrown to about due to the bottleneck effect the northern seal things have much less genetic variation than the southern elephant seals because the wasn't hunted as much.

  3. Population after the event Original population Major catastrophic event

More Related