There is trouble on the horizon in the northernmost prefecture of Hokkaido, where poor fishing conditions triggered by global warming are endangering Japan's prized salmon -- widely considered one of the country's favorite seafood.A researcher has warned that climate change is forcing Hokkaido's chum salmon, which make up the bulk of Japan's salmon catch, into a losing battle with a relative for food, hindering their return in large numbers to spawn in the rivers where they were released.Masahide Kaeriyama, a salmon ecology expert and professor emeritus at Hokkaido University, sounded the a…READ FULL ARTICLE