Jellyfish swarm northward in warming world
[Link: mdn.mainichi.jp...]
[…]
“Some fishermen have just stopped fishing,” said Taiichiro Hamano, 67. “When you pull in the nets and see jellyfish, you get depressed.”
This year’s jellyfish swarm is one of the worst he has seen, Hamano said. Once considered a rarity occurring every 40 years, they are now an almost annual occurrence along several thousand kilometers of Japanese coast, and far beyond Japan.
Scientists believe climate change — the warming of oceans — has allowed some of the almost 2,000 jellyfish species to expand their ranges, appear earlier in the year and increase overall numbers, much as warming has helped ticks, bark beetles and other pests to spread to new latitudes.
[…]
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Frank says: