A new study led by Griffith University predicts that future climate change impacts could disrupt the krill-heavy diet that humpback whales in the southern hemisphere consume.
"At present, there is no evidence of a divergence from a high-fidelity krill diet, but the characteristic isotopic signal we discovered of whales feeding in productive upwelling areas or in the marginal sea-ice zone, implies that future reductions in sea-ice extent and duration, and rising ocean temperatures could impact their feeding ecology."
Dr Groß said the importance of this study in confirming that each population followed a high-fidelity Antarctic krill diet could be used as baseline knowledge to assess the extent of climate change impacts in the feeding grounds in future studies.
المملكة العربية السعودية أحدث الأخبار, المملكة العربية السعودية عناوين
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مصدر: physorg_com - 🏆 388. / 55 اقرأ أكثر »