Marine heatwave likely caused sharp decline in Hawaiian humpback whales, study finds
Roughly a decade ago, a marine heatwave in the northeastern Pacific Ocean caused a dramatic decline in populations of forage fish and krill, the base of the marine food chain. A recent study found that the Hawaiian humpback whale population, which feeds on krill and small fish, also declined sharply during the 2013-16 heatwave and […]
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