S. Kumagai

Hormone changes indicate that winter is a critical period for food shortages in Steller sea lions

D. Rosen, S. Kumagai, 2008, Journal of Comparative Physiology B.

Influence of sea ice concentration in the research area on IDCR-SOWER abundance estimation

H. Murase, H. Hatanaka, N. Kanda, 2008 .

Body mass and composition responses to short-term low energy intake are seasonally dependent in Steller sea lions (Eumetopias jubatus)

A. Trites, D. Rosen, S. Kumagai, 2006, Journal of Comparative Physiology B.

Hormone changes indicate that winter is a critical period for food shortages in Steller sea lions

D. Rosen, S. Kumagai, 2008, Journal of Comparative Physiology B.

Cruise Report of the Second Phase of the Japanese Whale Research Program under Special Permit in the Western North Pacific (JARPN II) in 2009 - (Part II) - Coastal component off Sanriku

Hiroyuki Oikawa, H. Kato, T. Tamura, 2010 .