UNDETERRED by the scientific world's comprehensive ignorance of the deep-sea environment, the United Nations' International Seabed Authority is pressing ahead with research projects that will help it estimate the effect of submarine mining on species that have yet to be discovered.

An authority statement has said: "Inevitably, animals will be killed by the mining vehicle and by resettlement of the sediment cloud it raises. If the affected species has a broad range, there is a good chance that other individuals will recolonise the ...

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