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Food Size Selection Among Copepods
Abstract
The marine copepod Acartia tonsa was fed small plastic beads (7—70 microns) in a variety of size—frequency distributions and a concentration of 3,000—4,000 beads/ml. Both selective and non—selective feeding were observed. Selective feeding was intense over a narrow size range (selected particle sizes over 20 times more abundant in the gut than in the water); the actual sizes selected depended on the size frequency distribution offered, associating always with the largest abundant particles. A hypothesis for the mechanism of food size selection is that the animals "scan" the size distribution by capturing particles larger than the previous one ingested more efficiently than those that are smaller; the copepods then "locate" an abundance peak and halt the process just to the right of it.
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Brooks, J. L., & Dodson, S. I. (1965) · Science · doi:10.1126/science.150.3692.28 · Cited by 3,280
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The Physical Impacts of Microplastics on Marine Organisms: A Review
Wright, S. L., Thompson, R. C., & Galloway, T. S. (2013) · Environmental Pollution · doi:10.1016/j.envpol.2013.02.031 · Cited by 4,524
Microplastic ingestion by zooplankton
Cole, M., Lindeque, P., Fileman, E., Halsband, C., Goodhead, R., Moger, J., & Galloway, T. S. (2013) · Environmental Science & Technology · doi:10.1021/es400663f · Cited by 2,763
Ingestion and transfer of microplastics in the planktonic food web
Setälä, O., Fleming-Lehtinen, V., & Lehtiniemi, M. (2014) · Environmental Pollution · doi:10.1016/j.envpol.2013.10.013 · Cited by 1,635
Contributing to marine pollution by washing your face: Microplastics in facial cleansers
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Metadata
- Authors
- Wilson, D. S.
- Venue
- Ecology
- Publisher
- Wiley
- Published
- 1973-07
- Volume
- 54
- Issue
- 4
- Pages
- 909-914
- ISSN
- 0012-9658 (ISSN-L)
- 1939-9170
- OpenAlex
- W2032247894
- Cited by
- 180
- References
- 1
- FWCI
- 11.69
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
