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Emeritus Professor Masahide Kaeriyama, a researcher at the Arctic Research Center, was featured in the Asahi Shimbun and the Hokkaido Shimbun

  • 2024.8.28

Dr. Masahide Kaeriyama, a researcher at the Arctic Research Center (Emeritus Professor), was featured in the Hokkaido Shimbun on August 1 and the Asahi Shimbun on August 13, 2024. The article explains “The Loka-Volterra competition model showed that Japanese chum salmon, which are declining due to global warming, are losing in the competition with Bering Sea pink salmon, which are conversely increasing.”

Official website (Hokkaido Shimbun) “Decline in Japanese chum salmon, competition with Bering Sea pink salmon as main factor?”
https://www.hokkaido-np.co.jp/article/1045258/

Official website (Asahi Shimbun) “Japanese chum salmon lose out to Bering Sea pink salmon in interspecific interaction, decline due to global warming”
https://digital.asahi.com/articles/ASS8F1VPKS8FIIPE01RM.html?iref=pc_ss_date_article
(The newspaper article is written in Japanese)

Global warming has reduced the abundance and carrying capacity of Japanese chum salmon, while those of Bering-sea pink salmon have increased (A), and the Loka-Volterra competition model indicates that Japanese chum salmon have been losing the interspecific competition with pink salmon in the Bering Sea since late 2000 (B)