Cyclic Fluctuations in Chum Salmon Abundance along the Pacific Coast of Hokkaido, Japan

• Main Authors: Toshihiko Saito, Kyuji Watanabe, Kei Sasaki, Shigeto Kogarumai, Shoko H. Morita
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: chum salmon; pink salmon; coastal sea surface temperature; scale pattern analysis; odd- and even-year fluctuation; Okhotsk; Pacific; Salo; Pink salmon
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.434.7158; http://www.npafc.org/new/publications/Technical Report/TR8/Saito et al.pdf

Some chum salmon stocks are known to exhibit a two-year cyclic variation in their biological parameters, such as age at maturity, size, marine survival, and abundance (Salo 1991). Previous studies suggest that this variation appears to be associated with pink salmon, which have a prominent two-year...