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science9h ago
Beneath The Surface Of Our Oceans, The Usual Whalesong Symphony Is Going Quiet, And The Reason Is Tragic
- A decade of underwater data shows whalesong declined as ocean temperatures rose, signaling climate-driven change in marine life.
- Blue and fin whales showed the strongest drop in singing during The Blob heatwave, the study notes.
- The 4.5°F ocean temperature rise during The Blob disrupted prey like krill and anchovies, affecting whale feeding and singing.
- Researchers linked reduced singing to hunger, noting whales struggle to feed during harsh times.
- Experts warn climate change is shaping oceans across trophic levels, not just surface temperatures.
- The study emphasizes listening as a tool to understand future ocean health and species behavior.
- Conservationists urge protective actions as ocean ecosystems face ongoing warming and ecological shifts.
- The California coastline hydrophone network has tracked changes since 2015, providing long-term context.
- The report highlights the link between heatwaves, prey availability, and whale communication.
- The findings draw attention to broader climate impacts on ecosystems beyond visible surface effects.
- Researchers stress continued monitoring of underwater soundscapes to gauge future ecological health.
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