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Arctic Seabed Life: Fragile Wonders Face Mining Threat
13 Jul
Summary
- Scientists explored Arctic seabed life for a month, reaching depths of 3,000 metres.
- Expedition discovered rare species, including a Dumbo octopus and potential new species.
- Deep-sea ecosystems are slow to recover, facing threats from mining and climate change.
For one month, an international scientific team meticulously explored the Arctic seabed adjacent to Norway. Employing remotely operated vehicles, they delved to depths of 3,000 meters, documenting life on seamounts and near hydrothermal vents. Their mission aimed to gather evidence regarding the rare and delicate marine organisms that could be endangered by proposed seabed mining operations.
During the expedition, researchers captured footage of a rare Dumbo octopus and collected over 400 sponge samples, with several species possibly new to science. Experts highlighted that deep-sea ecosystems exhibit extremely slow recovery rates due to species' long lifespans and low reproductive output. Climate change further exacerbates these vulnerabilities through ocean warming and acidification, impacting the calcium-based structures of many invertebrates.
The Norwegian government opened the surveyed area for deep-sea mining in 2024. However, exploration was subsequently paused until at least 2029, following considerable opposition from environmental advocates, scientists, fishing communities, and political parties in Norway. Supporters of seabed mining contend that it can supply critical minerals for green technologies, while critics emphasize the poorly understood and potentially irreversible environmental risks.
