Updated On: 09 December, 2025 08:51 AM IST | Stockholm | Agencies
The findings indicate that the overall ecological impact of the mining activity was milder than feared, but there was still a decline in biodiversity along the tracks left by the mining vehicle.

A subsea vehicle used in deep-sea mining. PIC COURTESY/DEEP SEA MINING
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A recent deep-sea mining test unexpectedly led to the discovery of large numbers of previously unknown species living 4000 metres (13,123-feet) below the surface.
The findings indicate that the overall ecological impact of the mining activity was milder than feared, but there was still a decline in biodiversity along the tracks left by the mining vehicle.