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Sci Total Environ. 2018 Jun 15;627:1505-1514. doi: 10.1016/j.scitotenv.2018.01.221. Epub 2018 Feb 20.

The last frontier: Coupling technological developments with scientific challenges to improve hazard assessment of deep-sea mining.

The Science of the total environment

M M Santos, P A S Jorge, J Coimbra, C Vale, M Caetano, L Bastos, I Iglesias, L Guimarães, M A Reis-Henriques, L O Teles, M N Vieira, J Raimundo, M Pinheiro, V Nogueira, R Pereira, T Neuparth, M C Ribeiro, E Silva, L Filipe C Castro

Affiliations

  1. Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto (U.Porto), Matosinhos, Portugal; Faculty of Sciences (FCUP), Department of Biology, University of Porto (U.Porto), Porto, Portugal. Electronic address: [email protected].
  2. Institute for Systems and Computer Engineering, Technology and Science, INESC-TEC, Porto, Portugal.
  3. Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto (U.Porto), Matosinhos, Portugal.
  4. Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto (U.Porto), Matosinhos, Portugal; Faculty of Sciences (FCUP), Department of Biology, University of Porto (U.Porto), Porto, Portugal.
  5. Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto (U.Porto), Matosinhos, Portugal; Faculty of Law, University of Porto, Porto, Portugal.
  6. Institute for Systems and Computer Engineering, Technology and Science, INESC-TEC, Porto, Portugal; ISEP- School of Engineering, Polytechnic of Porto, Porto, Portugal.
  7. Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto (U.Porto), Matosinhos, Portugal; Faculty of Sciences (FCUP), Department of Biology, University of Porto (U.Porto), Porto, Portugal. Electronic address: [email protected].

PMID: 30857112 DOI: 10.1016/j.scitotenv.2018.01.221

Abstract

The growing economic interest in the exploitation of mineral resources on deep-ocean beds, including those in the vicinity of sensitive-rich habitats such as hydrothermal vents, raise a mounting concern about the damage that such actions might originate to these poorly-know ecosystems, which represent millions of years of evolution and adaptations to extreme environmental conditions. It has been suggested that mining may cause a major impact on vent ecosystems and other deep-sea areas. Yet, the scale and the nature of such impacts are unknown at present. Hence, building upon currently available scientific information it is crucial to develop new cost-effective technologies embedded into rigorous operating frameworks. The forward-thinking provided here will assist in the development of new technologies and tools to address the major challenges associated with deep sea-mining; technologies for in situ and ex situ observation and data acquisition, biogeochemical processes, hazard assessment of deep-sea mining to marine organisms and development of modeling tools in support of risk assessment scenarios. These technological developments are vital to validate a responsible and sustainable exploitation of the deep-sea mineral resources, based on the precautionary principle.

Copyright © 2018 Elsevier B.V. All rights reserved.

Keywords: Deep-sea; Hazard assessment; Legal framework; Technology; Test guidelines

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