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Suspected anthropogenic microparticle ingestion by Icelandic capelin

Marine Pollution Bulletin 2023 7 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 40 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Bonnie M. Hamilton, Bonnie M. Hamilton, Bonnie M. Hamilton, Bonnie M. Hamilton, Jennifer F. Provencher, Jesse C. Vermaire Jennifer F. Provencher, Bonnie M. Hamilton, Jennifer F. Provencher, Bonnie M. Hamilton, Bonnie M. Hamilton, Bonnie M. Hamilton, Jennifer F. Provencher, Matthew S. Savoca, Matthew S. Savoca, Matthew S. Savoca, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Caitlin Brawn, Caitlin Brawn, Caitlin Brawn, Caitlin Brawn, Caitlin Brawn, Caitlin Brawn, Caitlin Brawn, Caitlin Brawn, Caitlin Brawn, Caitlin Brawn, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jesse C. Vermaire Jennifer F. Provencher, Jesse C. Vermaire Jesse C. Vermaire Bonnie M. Hamilton, Bonnie M. Hamilton, Bonnie M. Hamilton, Bonnie M. Hamilton, Bonnie M. Hamilton, Jesse C. Vermaire Jennifer F. Provencher, Jesse C. Vermaire Jesse C. Vermaire Jesse C. Vermaire Jesse C. Vermaire Jesse C. Vermaire Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Matthew S. Savoca, Matthew S. Savoca, Matthew S. Savoca, Matthew S. Savoca, Matthew S. Savoca, Bonnie M. Hamilton, Bonnie M. Hamilton, Bonnie M. Hamilton, Bonnie M. Hamilton, Jennifer F. Provencher, Jesse C. Vermaire Jesse C. Vermaire Jennifer F. Provencher, Bonnie M. Hamilton, Jesse C. Vermaire Jesse C. Vermaire Bonnie M. Hamilton, Bonnie M. Hamilton, Jesse C. Vermaire Jesse C. Vermaire Jennifer F. Provencher, Jennifer F. Provencher, Birkir Bárðarson, Jennifer F. Provencher, Jennifer F. Provencher, Jesse C. Vermaire Jesse C. Vermaire Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jesse C. Vermaire Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jesse C. Vermaire Jennifer F. Provencher, Jennifer F. Provencher, Jesse C. Vermaire Matthew S. Savoca, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Matthew S. Savoca, Matthew S. Savoca, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jesse C. Vermaire Jennifer F. Provencher, Jennifer F. Provencher, Jesse C. Vermaire Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jesse C. Vermaire Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Matthew S. Savoca, Jennifer F. Provencher, Jennifer F. Provencher, Jesse C. Vermaire Jesse C. Vermaire Bonnie M. Hamilton, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jennifer F. Provencher, Jesse C. Vermaire Jesse C. Vermaire Jesse C. Vermaire Matthew S. Savoca, Matthew S. Savoca, Matthew S. Savoca, Jennifer F. Provencher, Bonnie M. Hamilton, Jennifer F. Provencher, Bonnie M. Hamilton, Jesse C. Vermaire

Summary

A study found that Icelandic capelin fish had ingested anthropogenic microparticles including microplastics, establishing a baseline for plastic pollution in this ecologically important Arctic species. Capelin are a key forage fish in Arctic food webs, so microplastic ingestion at this level could have cascading effects on larger predators including seabirds, marine mammals, and humans who eat fish.

Body Systems

Documented ingestion of microplastics and other anthropogenic microparticles (AMP) by marine fishes has increased over the last decade. However, baseline datasets on AMP ingestion in Arctic fish species are limited. This study documents AMP ingestion in Icelandic capelin (Mallotus villosus) and investigates how this relates to several biological variables. A total of 160 capelin gastrointestinal tracts were sampled and digested using 10 % potassium hydroxide and visual inspection protocols. A total frequency of occurrence (%FO) of 52.5 % and a mean AMP abundance of 1.33 ± 2.37 per individual was found (particles > 45 μm). The colour of AMP detected was significantly different between sampling locations. However, no differences in %FO or mean AMP abundance were detected between sampling locations or related to body size, gut fullness, or sex. This research contributes to the growing body of knowledge on AMP ingestion by Arctic marine species.

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