4.7 Article

Distribution of floating marine macro-litter in relation to oceanographic characteristics in the Russian Arctic Seas

Journal

MARINE POLLUTION BULLETIN
Volume 166, Issue -, Pages -

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2021.112201

Keywords

Marine pollution; Floating marine macro litter; Arctic; Marine environmental monitoring

Funding

  1. Norwegian Ministry of Climate and Environment [RUS-19/0001]
  2. Russian Government [14, Z50.31.0012/03.19.2014]
  3. Ministry of Science and Higher Education of the Russian Federation [0128-2021-0001]
  4. Russian Foundation for Basic Research [19-55-80004, 20-35-70039, 18-05-60069]
  5. Russian Science Foundation [18-77-10004, 21-77-30001]
  6. Tomsk Polytechnic University Competitiveness Enhancement Program [VIU-OG-215/220]
  7. Russian Science Foundation [21-77-30001, 18-77-10004] Funding Source: Russian Science Foundation

Ask authors/readers for more resources

This study reveals the distribution of floating marine macro litter in the Arctic seas, with FMML mainly concentrated in the water originating from the Barents Sea, while almost no FMML was found in the Kara Sea, Laptev Sea, and East Siberian Sea. No input from rivers was detected at least during the autumn observations.
The main objectives of this work were the acquisition of new data on floating marine macro litter (FMML) and natural floating objects in the Arctic seas, an initial assessment of the level of pollution by FMML and an analysis of potential sources. The results of this study present the first data on FMML distribution in Russian Arctic shelf seas in relation to oceanographic conditions (i.e. position of water masses of different origin as described by temperature, salinity, dissolved oxygen and pH). The main finding of this study is that FMML was found only in the water of Atlantic origin, inflowing from the Barents Sea, where FMML average density on the observed transects was 0.92 items/ km2. Eastern parts of the study, Kara Sea, Laptev Sea and East Siberian Sea were practically free from FMML. No input from rivers was detected, at least in autumn, when the observations were performed.

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