Assessment of the Cumulative Effects of Multiple Stressors on Marine Mammals: Elephant Seals as a Model System

Principle Investigator: Daniel P. Costa

co-Principle Investigators:

Daniel E. Crocker, Sonoma State University
Sarah H. Peterson, US Geological Survey
Josh T. Ackerman, US Geological Survey
Birgitte I. McDonald, Moss Landing Marine Lab

Additional Personnel:

Rachel R. Holser, Assistant Researcher
Arina Favilla, Post-Doc, Costa Lab
Garrett Shipway, Graduate Student, Costa Lab
Daphne Shen, Former Graduate Student, McDonald Lab
Amber Diluzio, Graduate Student, McDonald Lab

Our team is integrating physiological and ecological approaches including immunology, toxicology, stress physiology, energetics, animal behavior, population biology, and life history theory to improve our understanding of the response of marine mammals to exposure from multiple stressors.

Experimental Design – We will examine a suite of health and foraging behavior metrics across four treatment groups and link those differences to survival and reproductive rates. This work will take four years to complete.

Tracking data from the 2022 post-breeding trip, color coded by experimental group.

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