[All-postdocs] Biology Seminar this week: Greg Breed, WHOI Guest Investigator

[Margot McKlveen]

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*Biology Department Virtual Seminar*

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Thursday, October 14, at Noon

Zoom link: https://whoi-edu.zoom.us/j/91397884776 
<https://whoi-edu.zoom.us/j/91397884776>


Greg Breed

Associate Professor, University of Alaska Fairbanks, Institute of Arctic 
Biology

Guest Investigator, WHOI


Effects of new predator regimes on Arctic marine mammal ecology and life 
history evolution

Arctic warming is causing dramatic changes in sea ice quality and 
phenology.  In the last 20 years, these changes have altered habitat use 
and distribution of ice-obligate Arctic species such as polar bears and 
ice seals, largely to their detriment, but also allowed for increasing 
presence of species not well adapted to sea ice or normally restricted 
to temperate or subarctic habitats.  One of the species increasingly 
present in the Arctic are killer whales.  The increase of these top 
predators is changing how iconic Arctic endemic marine mammals, 
including narwhal and bowhead whales, use habitat as they adjust to the 
increased predation risk.  These effects may impact the distribution and 
size of Arctic marine mammal populations, which impacts the availability 
of these species to traditional subsistence hunting communities as they 
move away from areas where they have been hunted for centuries to avoid 
predation by killer whales. Finally, I will discuss some potential 
behavioral mechanisms Arctic marine mammals may use to communicate and 
mitigate predation risk, and the potential impact of sustained killer 
whale predation on the long-term demography and life history evolution 
of iconic Arctic marine mammal species.  Along the way, I will highlight 
quantitative modeling approaches my lab uses to analyze demographic and 
movement data to address ecological questions in a wide variety of 
terrestrial and marine ecosystems.


Join Zoom Meeting

https://whoi-edu.zoom.us/j/91397884776 
<https://whoi-edu.zoom.us/j/91397884776>


Meeting ID: 913 9788 4776

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-- 
Margot McKlveen | she/her
Senior Administrative Assistant
Woods Hole Oceanographic Institution
Redfield Building Room 305 | MS 32
266 Woods Hole Rd.
Woods Hole, MA 02543
508-289-2334
mmcklveen at whoi.edu

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