Assessing the Impacts of Nodule Mining on the Deep-Sea Environment
Alfred Wegener Institute (AWI)
Published: 6 April 2021
The JPI Oceans “MiningImpact” team is independently monitoring a nodule collector test in the Pacific CCZ to study environmental impacts of deep-sea mining, aiming to inform stricter regulations by the International Seabed Authority.
Keywords: MiningImpact, deep-sea mining, Clarion-Clipperton Fracture Zone, environmental monitoring, manganese nodules, International Seabed Authority, sediment plume
Sunken ammunition: danger with long-term effects
Alfred Wegener Institute (AWI)
Published: 12 April 2021
The “North Sea Wrecks” project studies WWI and WWII shipwrecks near Helgoland, analyzing pollutants from sunken munitions and their impact on marine life. Samples and scans aim to assess environmental risks and inform future research and exhibitions.
Keywords: North Sea Wrecks, SMS MAINZ, shipwreck, munitions pollution, sediment samples, marine biology, Helgoland
Surprise in the deep sea
Alfred Wegener Institute (AWI)
Published: 26 April 2021
Researchers discovered Arctic deep-sea sponges leave trails on the seafloor, suggesting slow active movement. This challenges prior views that sponges are immobile, raising questions about why and how they move in nutrient-poor environments.
Keywords: Arctic deep sea, sponges, movement, trails, OFOBS, nutrient recycling, seafloor
