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    Online-Ressource
    Online-Ressource
    Canadian Science Publishing ; 2023
    In:  Arctic Science Vol. 9, No. 2 ( 2023-06-01), p. 345-355
    In: Arctic Science, Canadian Science Publishing, Vol. 9, No. 2 ( 2023-06-01), p. 345-355
    Kurzfassung: Marine litter in the Arctic Basin is influenced by transport from Atlantic and Pacific waters. This highlights the need for harmonization of guidelines across regions. Monitoring can be used to assess temporal and spatial trends but can also be used to assess if environmental objectives are reached, for example, to evaluate the effectiveness of mitigation measures. Seafloor monitoring by trawling needs substantial resources and specific sampling strategies to be sufficiently robust to demonstrate changes over time. Observation and visual evaluation in shallow and deep waters using towed camera systems, remotely operated underwater vehicles, and submersibles are well suited for the Arctic environment. The use of imagery still needs to be adjusted through automation and image analyses, including deep learning approaches and data management, but will also serve to monitor areas with a rocky seafloor. We recommend developing a monitoring plan for seafloor litter by selecting representative sites for visual inspection that cover different depths and substrata in marine landscapes, and recording the litter collected or observed across all forms of seafloor sampling or imaging. We need better coverage and knowledge of status of seafloor litter for the whole Arctic and recommend initiatives to be taken for regions where such knowledge is lacking.
    Materialart: Online-Ressource
    ISSN: 2368-7460
    Sprache: Englisch
    Verlag: Canadian Science Publishing
    Publikationsdatum: 2023
    ZDB Id: 3037411-X
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    In: Arctic Science, Canadian Science Publishing, Vol. 9, No. 1 ( 2023-03-01), p. 209-226
    Kurzfassung: The Arctic Monitoring and Assessment Programme has published a plan and guidelines for the monitoring of litter and microplastics (MP) in the Arctic. Here, we look beyond suggestions for immediate monitoring and discuss challenges, opportunities, and future strategies in the long-term monitoring of litter and MP in the Arctic. Challenges are related to environmental conditions, lack of harmonization and standardization of measurements, and long-term coordinated and harmonized data storage. Furthermore, major knowledge gaps exist with regard to benchmark levels, transport, sources, and effects, which should be considered in future monitoring strategies. Their development could build on the existing infrastructure and networks established in other monitoring initiatives in the Arctic, while taking into account specific requirements for litter and MP monitoring. Knowledge existing in northern and Indigenous communities, as well as their research priorities, should be integrated into collaborative approaches. The monitoring plan for litter and MP in the Arctic allows for an ecosystem-based approach, which will improve the understanding of linkages between environmental media of the Arctic, as well as links to the global problem of litter and MP pollution.
    Materialart: Online-Ressource
    ISSN: 2368-7460
    Sprache: Englisch
    Verlag: Canadian Science Publishing
    Publikationsdatum: 2023
    ZDB Id: 3037411-X
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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