STEWART, Brent

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Brent Stewart, San Miguel Island, 1979
Brent Stewart, San Miguel Island
Brent Stewart, Andrews Bay, South Georgia Island

STEWART, Brent S. was born in the Territory of Alaska, but soon after became a nomad as a 'military brat', growing up in Morocco, France, Germany, Spain and a variety of outposts throughout the U.S. After graduating from high school in Madrid, Spain, he enrolled at the University of California at Los Angeles (UCLA) for studies in Math, English and Biology. He earned a B.A. in Biology from UCLA (where he was an NCAA student athlete), a M.S. in Ecology from San Diego State University, a Ph.D. in Biology from UCLA, and a Juris Doctorate in Law from Boalt Hall at the University of California at Berkeley.

Brent Stewart is the Senior Research Scientist at Hubbs-SeaWorld Research Institute. Stewart joined the Hubbs-SeaWorld Research Institute as a field biologist in 1977, where he has been ever since, conducting wide-range research on the ecology, physiology, population biology and genetics, and behavior, on all vertebrate groups except amphibians, on all seven continents, and in all of Earth's Oceans, with particular emphasis on seals, sea lions, whales and penguins.

Stewart has been researching Northern Elephant Seals at the Channel Islands since 1978. He began tagging them on San Miguel Island in 1980, pioneering the use of radio and satellite telemetry, . Through his work on their diving patterns the world learned that the animals routinely dive to 1700 feet in dives of more than 80 minutes at a time. Dives depths over 5,000 feet have been recorded, making them second only to Sperm Whales in diving deeper and longer. His Channel Islands work spans more than four decades of research, much of it on San Nicolas and San Miguel Islands. Stewart is also a Fellow of the famed Explorers Club (est. 1904).

Stewart has served as a Science and Diplomacy Fellow of the American Association for the Advancement of Science at the U.S. Department of State, and as Scientific Consultant to the U.S. Marine Mammal Commission on Bilateral and Multilateral Treaties. He is a Fellow if the Expolorers Club (est. N.Y. 1904).

Pam Yochem, married to Brent Stewart, is the Executive Vice President, Chief Science Officer at Hubbs-SeaWorld Research.


Brent Stewart is member #15 of the All 8+ Club of the Santa Cruz Island Foundation. In addition to the eight California Channel Islands, he has visited the following islands in bold on the Club's expanded list of Alta and Baja California islands:

  • Anacapa Island
  • San Clemente Island
  • San Miguel Island
  • San Nicolas Island
  • Santa Barbara Island
  • Santa Catalina Island
  • Santa Cruz Island
  • Santa Rosa Island

ALL EIGHT PLUS:

  • Rincon Island (man-made Channel Island)
  • Farallones
  • Año Nuevo
  • Islas Coronado
  • Islas Todos Santos
  • Isla San Martin
  • Isla San Geronimo
  • Isla Guadalupe
  • Islas San Benito
  • Isla Cedros
  • Isla Natividad
  • Isla Asuncion


Brent Stewart CV link=https://www.islapedia.com/images/8/8a/BSS_CV_May17Clean.pdf Brent Stewart CV




[original page separate in SCIF archives]


Black-shouldered Kite and Northern Goshawk Interactions with Peregrine Falcons at San Miguel Island, California Western Birds 15:187-188, 1984

[original page separate in SCIF archives]


  • 1984 Stewart, Brent and Yochem, P. K. Seasonal abundance and distribution of pinnipeds on san Nicolas Island, California Bulletin of the Southern California Academy of Science 83:121-132, 1984


  • 1984. Leatherwood, Stephen, Randall R. Reeves, Ann E. Bowles, Stewart, Brent and Kimberly R. Goodrich Distribution, Seasonal Movements and Abundance of Pacific White-Sided Dolphins in the Eastern North Pacific The Scientific Reports of the Whales Research Institute No. 35 (129-157), March 1984
[original in SCIF archives; reprint separate]


  • 1986 Stewart, Brent and Yochem, P. K. Northern Elephant Seals Breeding at Santa Rosa Island, California Journal of Mammalogy 67(2):402-403, May 1986
[Xerox copy in SCIF archives]


  • 1989. Stewart, B. S. The ecology and population biology of the northern elephant seal, Mirounga angustirostris Gill 1866, on the Southern California Channel Islands Dissertation. University of California, Los Angeles, California


  • 1990. Stewart, B. S. and R. L. DeLong Sexual differences in migrations and foraging behavior of northern elephant seals American Zoologist 30:44A, 1990


[original in SCIF archives]


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