随身英语. Narwhal population affected by underwater noise pollution海洋噪音污染导致一角鲸数量下降. 一角鲸是一种头上长有长牙的海洋哺乳动物。专家表示，随着气候变暖，海冰融化，船舶航线增多，海洋噪声增加，到2025年，一角鲸有可能会因海洋噪音污染而灭绝。

During noise exposure, the narwhals performed 80% less gliding during diving descents, their swimming strokes exceeded 40 strokes per minute, their heart rates dropped below 10 beats per minute, and ...

Physiological responses of narwhals to anthropogenic noise: A case study with seismic airguns and vessel traffic in the Arctic. Functional Ecology , 2022; DOI: 10.1111/1365-2435.14119 Cite This Page : ...

During noise exposure, the narwhals performed 80% less gliding during diving descents, their swimming strokes exceeded 40 strokes per minute, their heart rates dropped below 10 beats per minute, ...

As such, the narwhal’s sensitivity to sound disturbances, with their limited adaptability in niche selection and high fidelity, makes the species less resilient to human activities. “If healthy ...

There’s a reason for this absence, one rooted in tragedy and an understanding of their unique needs. A Tragic Beginning The ...

A coalition for a quiet ocean, launched at the third United Nations Ocean Conference this week, aims to curb noise pollution ...

The sound indicates that the animal has just exhaled after a deep dive underwater. As with other whales, sometimes you can spot flecks of water and mist in the air as the narwhals surface.

Scientists previously thought the narwhal’s trademark tusk helps males compete for mates, but new evidence suggests it may also have a role in foraging and play. CNN values your feedback 1.