LEAP Research

Whale Earplug Research

Anthropogenic and physiological data reconstructed from whale earwax plugs

PI: S. Trumble PhD

Collaborators: S. Usenko PhD, Baylor University

Graduate Student: Dani Crain, PhD candidate

Funding: Marine Mammal Commission

 

Determining baseline stress-related hormone values in large cetaceans

PI: S. Trumble PhD

Collaborators: S. Usenko PhD, Baylor University

Graduate Student: Dani Crain, PhD candidate

Funding: Office of Naval Research

 

Reconstructing possible pregnancy intervals using progesterone values from baleen whale earplugs

PI: S. Trumble PhD

Collaborators: S. Usenko PhD, Baylor University

Graduate Student: Dani Crain, PhD candidate

Funding: Office of Naval Research

 

Using radio isotopes to age bowhead whale earplugs

PI: S. Trumble PhD

Collaborators: S. Usenko PhD, Baylor University

Funding: North Slope Borough

 

Foraging Ecology and Physiology

Leopard seal foraging ecology and physiology

PI: S. Trumble PhD

Collaborators: S. Kanatous PhD, Colorado State; D. Crocker PhD, Sonoma State; D. Costa PhD UCSC

Funding: National Science Foundation

 

Fatty Acid Research

Comparing blubber fatty acid signatures of Steller sea lions and harbor seals in Prince William Sound and Southeast, Alaska from 1997-2010: Possible historic evidence of  dietary niche partitioning

Graduate Student: Tori Neises, PhD candidate

Collaborators: M Keogh PhD, Alaska Department of Fish and Game

 

Fatty acid analysis in Northern elephant seals

PI: S. Trumble PhD

Collaborators: D. Crocker PhD, Sonoma State University; S. Kanatous PhD, Colorado State University

Graduate Student: Aaron Kirkpatrick, PhD candidate

Funding: Gus Glasscock Fund, Baylor University

 

Regional blubber fatty acid signature analysis of harbor seals in Alaska from 1997-2010

Graduate Student: Tori Neises, PhD candidate

Collaborators: M Keogh PhD, Alaska Department of Fish and Game

 

Fatty acid transport and binding proteins in Northern elephant seals 

PI: S. Trumble PhD

Collaborators: D. Crocker PhD, Sonoma State University; S. Kanatous PhD, Colorado State University; J. Vázquez-Medina, University of California Berkeley

Graduate Student: Aaron Kirkpatrick, PhD Candidate

 

Examination of preferential mobilization of blubber fatty acids in lactating Alaskan harbor seals

Graduate Student: Tori Neises, PhD candidate

Collaborators: M Keogh PhD, Alaska Department of Fish and Game

 

Identifying fuel mobilization from adipose to skeletal muscle for non-foraging activity in Northern Elephant Seals during translocation studies 

PI: S. Trumble PhD

Collaborators: D. Crocker PhD, Sonoma State University; S. Kanatous PhD, Colorado State University

Graduate Student: Aaron Kirkpatrick, PhD Candidate

 

Endocrinology Research

Assessing changes in physiology to environmental changes in long-lived fish species using steroid hormones extracted from opercula growth layers.

PI: S. Trumble PhD

Collaborators: D. Oxman PhD, Alaska Department of Fish and Game

Graduate Student: Patrick Charapata, PhD student

Funding: North Pacific Research Board

 

Marking and stress in Chinook salmon

PI: S. Trumble PhD

Collaborators: D. Oxman, Alaska Department of Fish and Game

Graduate Student: Rebel Sanders, PhD candidate

Funding: Alaska Sustainable Salmon Fund

 

Stress analysis of harbor seal scat in relation to controlled diet variation

Graduate Student: Aaron Kirkpatrick, PhD candidate

LEAP Collaborators: Tori Neises, PhD candidate; S. Trumble PhD

 

Contaminants

Assessing total mercury concentrations along Leopard seal whiskers

PI: S. Trumble PhD

Collaborators: S. Kanatous PhD, Colorado State; D. Crocker PhD, Sonoma State; D. Costa PhD UCSC

Graduate Student: Patrick Charapata, PhD student

Funding: National Science Foundation

 

The effects of changes in prey availability and type on muscle tissue physiology heavy metal exposure in Pacific walrus (Odobenus rosmarus divergens)

PI: S. Trumble PhD

Graduate Student: Jen Godfrey, PhD candidate

Funding: Gus Glasscock Fund, Baylor University

 

Aging Techniques

Bone mineral density using dual energy Xray absorptiometry: A potential new technique for aging stranded marine mammals

Graduate Student: Aaron Kirkpatrick, PhD candidate

LEAP Collaborators: Tori Neises, PhD candidate; S. Trumble PhD;

Collaborators: D. Willoughby PhD, S. Norman PhD, Baylor University; Jim Rice, Oregon State University, Marine Mammal Institute; Jessie Huggins, Cascadia Research Collective; Victoria Souze, Whatcom County Marine Mammal Stranding Network; Jennifer Olson, Whale Museum, San Juan County Marine Mammal Stranding Network; Susan Dubpernell and Susan Berta, Central Puget Sound Marine Mammal Stranding Network

Funding: Gus Glasscock Fund, Baylor University