クジラ関連ですが,極地の海氷の融解によるクジラの鳴き声の変化が観察されています.The US government has taken a big step toward opening oil and gas drilling in the Atlantic Ocean by approving seismic airgun tests that experts warn are harmful to marine lifehttps://t.co/s4ct6Rhgc3
— AFP news agency (@AFP) 2018年11月30日
Researchers believe the pitch could be increasing as whales sing louder to be heard over breaking sea ice https://t.co/C6uBhHMuat
— Sky News (@SkyNews) 2018年11月29日
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