• Services
  • Projects
  • Publications
    • Reports
    • Scientific publications
  • About us
  • Coworkers
  • Work with us
  • Contact
  • Swedish
  • English

AquaBiota

- part of the NIRAS group

  • About us
  • Coworkers
  • Work with us
  • Contact
  • Swedish
  • English
  • Services
  • Projects
  • Publications
    • Reports
    • Scientific publications

Ecological and ecotoxicological effects of microplastics and associated contaminants on aquatic biota

The direct effects of MPs on basic physiological functions in model aquatic organisms, and the effects of MPs-associated transfer of POPs were addressed in this research project together with researchers at the department of applied environmental science, Stockholm University.

Ekotoxikologi_ microplastics_ aquatic biotaEkotoxikologi_ microplastics_ aquatic biota

Plastics are a large and increasing component of marine litter, threatening marine life. The degradation of plastics leads to an increased build-up of minute plastic particles in the sea (microplastics – MPs), which can be ingested or passively adsorbed by heterotrophs leading to mechanical obstruction of the gastrointestinal tract and inflammatory responses. In autotrophs, exposure to MPs may hamper photosynthesis and change buoyancy. Moreover, the chemical composition and small size make MPs effective sorbents of persistent organic pollutants (POPs) which may be transferred to biota, enhancing regularly occurring bioaccumulation. Despite these concerns, the impact of MPs and their role as vectors mediating POP transport and bioaccumulation in aquatic food webs is largely unknown. In particular, the net effects of MPs in the food webs have not been addressed in a coherent manner yet, and relative contributions of ecological (i.e. inert particles exerting mostly mechanical disturbance for photosynthesis, food uptake and trophic interactions) vs. ecotoxicological (i.e. particles acting as vectors of contaminants and increasing in situ exposure) factors have not been assessed.

Together with researchers at the department of applied environemtnal science, Stockholm University, we aim to develop and apply an experimental approach for delineating direct effects of MPs on basic physiological functions in model aquatic organisms, and the effects of MPs-associated transfer of POPs. These effects will be examined over several trophic levels spanning from primary producers to top consumers and integrated in a modeling framework.

The results was published in peer-reviewed journals and popular science articles. We have also established contact with several stakeholders including “Keep Sweden tidy” foundation which will communicate our results to the public, an EU-project, FP7 CLEANSEA which involves several European countries and works for a litter-free environment, and HELCOM and OSPAR for whom our results was directly relevant regarding the implementation of the marine strategy framework directive (MSFD) and good environmental status.

Publications:

Gewert, B., Ogonowski, M., Barth, A., MacLeod, M. 2017: Abundance and composition of near surface microplastics and plastic debris in the Stockholm Archipelago, Baltic Sea. Mar Pollut Bull. pii: S0025-326X(17)30373-9. DOI: 10.1016/j.marpolbul.2017.04.062.

Jahnke, A., Arp, H. P. H., Escher, B. I., Gewert, B., Gorokhova E., Kühnel D., Ogonowski M., Potthoff A., Rummel C., Scmitt-Jansen M., Toorman E., MacLeod M. 2017: Reducing uncertainty and confronting ignorance about the possible impacts of weathering plastic in the marine environment. Environ Sci Technol. DOI: 10.1021/acs.estlett.7b00008.

Ogonowski, M., Z. Gerdes and E. Gorokhova. 2018: What we know and what we think we know about microplastic effects – A critical perspective. Current Opinion in Environmental Science & Health 1:41–46. DOI: 10.1016/j.coesh.2017.09.001.

Ogonowski, M., A. Motiei, K. Ininbergs, E. Hell, Z. Gerdes, K. I. Udekwu, Z. Bacsik, and E. Gorokhova. 2018: Evidence for selective bacterial community structuring on microplastics. Environmental Microbiology, doi: 10.1111/1462-2920.14120.

Contact


Martin Isæus
Project director
MD, PhD Marine ecology
martin.isaeus@niras.se

News

AquaBiota – part of the NIRAS group

Sep 01

September 1st, AquaBiota joined the NIRAS group! … Read more »

AquaBiota Gasell 2022

Aug 30

AquaBiota has been appointed as a Gasell Company … Read more »

‘Mixed species groups in mammals’, one of 16 classic papers celebrating 50 years of Mammal Review

Dec 16

A paper by Eva Isaeus and others is featured in a … Read more »

Application and EIA for Storgrundet announced

Dec 16

Earlier this year, wpd submitted an application to … Read more »

Webinars about large-scale sustainable offshore wind power

Dec 15

During November and December, AquaBiota conducted … Read more »

New paper on trend correlations for coastal eutrophication

Mar 31

Trend correlations for coastal eutrophication and … Read more »

See all posts »

Requests

mils.anbud@niras.se

 

AquaBiota Water Research ABWR AB

c/o NIRAS
Hantverkargatan 11B
112 21 Stockholm

Copyright © 2025 AquaBiota · An iGoMoon Website · Log in

We use cookies on this website to gather information how you use the website so we can improve the experience for you. By continuing to use our services, you are giving us your consent to use cookies.