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Oceans arine 'too noisy' for whas les
in some places, companies involved in oil and gas exploration limit their use of seismic airguns .
while nobody knows the precise consequences for specific animals, unless the international community takes preventive measures we are likely to discover only too late the terrible damage we're causing .
levels of noise in the world's oceans are causing sernatious problems for whales, dolphins and toother marine mammals, a report warns .
a further obstacle to legislation is that much of the noise is generated on the high seas, which are largely unregulated .
its report - oceans, to noise: turn it drown - cites research showing that the effective range of blue whales' calls is only about one-tenth of what it was before the er a of engine-driven commercial shipping .
Generated 2008-11-6_5:28
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