Current LEAP Research

Teleost Research

US Dept of the Interior (USF&WS); Yukon River Chinook and Chum Salmon Hormone and Stable Isotope Biochronology. K. Howard (ADF&G), S. Trumble (BU): graduate student, Jake Patterson

Whale Earplug Research

Completing ONR research in 2022.

Reconstructing Stress and Stressor Profiles in Baleen Whale Earplugs. PIs; SJT (BU) and S. Usenko (BU).

Foraging Ecology and Physiology

Leopard seal foraging ecology and physiology

Collaborative Research: Foraging ecology and physiology of the leopard seal (Hydruga leptonyx). PIs. D. Costa (UCSC), D. Crocker (SSU), S. Kanatous (CSU), S. Trumble (BU).

Collaborative Research: Move, adapt, or perish: Examining adaptive capacity in a Southern Ocean apex predator, the leopard seal. Kienle (BU), Trumble (BU), Lewallen (Hampton U).

 

Fatty Acid Research

Comparison of blubber fatty acid signatures of yearling and juvenile Alaskan harbor seals and Steller sea lions in Prince William Sound and Southeast from 2000-2004

PI: V.M. Neises PhD (LEAP alumni)

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

Fatty acid transcriptomics in N. elephant seals

S.J. Trumble (BU), D. Crocker (SSU), and J. Khudyakov (UoP)

Examination of blubber fatty acids in pregnant and lactating Alaskan harbor seals (Phoca vitulina)

PI: V.M. Neises PhD (LEAP alumni)

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

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

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