Distribution of the Steller sea lion Eumetopias jubatus during winter in the northern Sea of Japan, along the west coast of Hokkaido, based on aerial and land sighting surveys
Titel:
Distribution of the Steller sea lion Eumetopias jubatus during winter in the northern Sea of Japan, along the west coast of Hokkaido, based on aerial and land sighting surveys
Auteur:
HOSHINO, H iroshi ISONO, T akeomi TAKAYAMA, T akuma ISHINAZAKA, T suyoshi WADA, A kihiko SAKURAI, Y asunori