Environmental Impacts of Deep Seabed Mining.

Haeckel, Matthias , Vink, Annemiek, Janssen, Felix and Kasten, Sabine (2020) Environmental Impacts of Deep Seabed Mining. In: New Knowledge and Changing Circumstances in the Law of the Sea. , ed. by Heidar, Tomas. Brill, Leiden, pp. 327-342. ISBN 978-90-04-43775-3 DOI 10.1163/9789004437753_018.

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Exploitation of mineral ores from the deep sea will impact the abyssal environment by removing the mineral deposits and sediments from the seafloor surface, where most deep-sea benthic life is found. Additional effects are expected from the blanketing of the mined area and the pristine surrounding seabed with sediments and/or mineral debris. As a consequence, seafloor integrity is lost in the impacted area, species densities and biodiversity are reduced, and ecosystem functions are negatively affected. Although a lot of open questions remain regarding, for example, indicator species, disturbance thresholds, and renaturation options, it is becoming increasingly clear that the induced environmental impacts last for at least many decades to centuries and affect all ecosystem compartments.

Document Type: Book chapter
Keywords: deep seabed mining, environmental impacts, biodiversity, marine ecosystem,policy recommendations
Research affiliation: OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-MG Marine Geosystems
DOI etc.: 10.1163/9789004437753_018
Projects: JPIO-MiningImpact
Date Deposited: 14 Sep 2020 08:42
Last Modified: 14 Sep 2020 08:49
URI: http://oceanrep.geomar.de/id/eprint/50475

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