Microplastic pollution in seawater and marine organisms across the Tropical Eastern Pacific and Galápagos
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Abstract
Detection of plastic debris degrading into micro particles across all oceanic environments and inside of marine organisms is no longer surprising news. Microplastic contamination now appears as one of the world's environmental main concerns. To determine the levels of microplastic pollution at sea, water samples were collected across a 4000 km-trajectory in the Tropical Eastern Pacific and the Galápagos archipelago, covering an area of 453,000 square kilometres. Furthermore, 240 specimens of 16 different species of fish, squid, and shrimp, all of human consumption, were collected along the continental coast. Microplastic particles were found in 100% of the water samples and marine organisms. Microplastic particles ranging from 150 to 500 µm in size were the most predominant. This is one of the first reports simultaneously detecting and quantifying microplastic particles abundance and their impact on marine organisms of this region.
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Recent studies have highlighted presence of microplastics in the Galápagos archipelago.
“Recent studies have highlighted presence of microplastics in the archipelago [44, 45]”
From Modelling microplastic bioaccumulation and biomagnification potential in the Galápagos penguin ecosystem using Ecopath and Ecosim (EwE) with Ecotracer (2024) · cites this paper as [45]
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Self-citation
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Research works printed but not linked: 1
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McMullen, K., Vargas, F. H., Calle, P., Alavarado-Cadena, O., Pakhomov, E. A., & Alava, J. J. (2024) · PLoS ONE · doi:10.1371/journal.pone.0296788 · Cited by 46 · see citing works
- Authors
- Alfaro-Núñez, A., Astorga, D., Cáceres-Farías, L., Bastidas, L., Soto Villegas, C., Macay, K., & Christensen, J. H.
- Affiliations
- Pontificia Universidad Católica del Ecuador (EC)
- Universidad Técnica de Manabí (EC)
- Universidad Yachay Tech (EC)
- University of Copenhagen (DK)
- Venue
- Scientific Reports
- Published
- 2021-03-19
- Volume
- 11
- Issue
- 1
- Pages
- 6424-6424
- ISSN
- 2045-2322 (ISSN-L)
- PMC
- PMC7979831
- OpenAlex
- W3137631886
- Cited by
- 309
- References
- 43
- Citations by year
- 2026: 36 · 2025: 72 · 2024: 85 · 2023: 64 · 2022: 43 · 2021: 9
- FWCI
- 12.46
- Type
- journal article
- Language
- en
- Update notices
- correction (2022-02-25)
- Open access
- gold
- doi.org
- Locations
- Scientific Reports (publishedVersion, cc-by)
- Research Square (acceptedVersion, cc-by)
- PubMed Central (publishedVersion, cc-by)
- PubMed (publishedVersion)
- Research at the University of Copenhagen (University of Copenhagen) (publishedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Greater South Information System
- Funders
- Red CEDIA (CEPRA XII-02-18, MICROPLASTICOS)
- Topics
- Physical Sciences › Environmental Science › Pollution › Microplastics and Plastic Pollution
- Physical Sciences › Environmental Science › Pollution › Pharmaceutical and Antibiotic Environmental Impacts
- Physical Sciences › Environmental Science › Ecology › Marine and Coastal Ecosystems
- Keywords
- microplastic pollution, marine organisms, plastic ingestion, fish, squid, shrimp, microplastic abundance, eastern tropical Pacific, Galápagos Islands, plastic debris
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