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Influence of Chemical and Biological Factors on Trophic Transfer of Persistent Organic Pollutants in the Northwater Polynya Marine Food Web
Abstract
Persistent organic pollutants (POPs) and stable isotopes of nitrogen (delta 15N) were measured in zooplankton (6 species), a benthic invertebrate (Anonyx nugax), Arctic cod (Boreogadus saida), seabirds (6 species), and ringed seals (Phoca hispida) collected in 1998 in the Northwater Polynya to examine effects of biological and chemical factors on trophic transfer of POPs in an Arctic marine food web. Strong positive relationships were found between recalcitrant POP concentrations (lipid corrected) and trophic level based on stable isotopes of nitrogen, providing clear evidence of POP biomagnification in Arctic marine food webs. Food web magnification factors (FWMFs), derived from the slope of the POP--trophic level relationship, provided an overall magnification factor for the food web but over and underestimated biomagnification factors (BMFs) based on predator--prey concentrations in poikilotherms (fish) and homeotherms (seabirds and mammals), respectively. Greater biomagnification in homeotherms was attributed to their greater energy requirement and subsequent feeding rates. Within the homeotherms, seabirds had greater BMFs than ringed seals, consistent with greater energy demands in birds. Scavenging from marine mammal carcasses and accumulation in more contaminated winter habitats were considered important variables in seabird BMFs. Metabolic differences between species resulted in lower than expected BMFs, which would not be recognized in whole food web trophic level--POP relationships. The use of sigma POP groups, such as sigma PCB, is problematic because FWMFs and BMFs varied considerably between individual POPs. FWMFs of recalcitrant POPs had a strong positive relationship with log octanol--water partition coefficient (Kow). Results of this study show the utility of using delta 15N to characterize trophic level and trophic transfer of POPs but highlight the effects of species and chemical differences on trophic transfer of POPs that can be overlooked when a single magnification factor is applied to an entire food web.
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Cited by
Conder, J. M., Hoke, R. A., Wolf, W. D., Russell, M. H., & Buck, R. C. (2008) · Environmental Science & Technology · doi:10.1021/es070895g · Cited by 1,206
Food WebSpecific Biomagnification of Persistent Organic Pollutants
Kelly, B. C., Ikonomou, M. G., Blair, J. D., Morin, A. E., & Gobas, F. A. P. C. (2007) · Science · doi:10.1126/science.1138275 · Cited by 1,055
Trophic magnification factors: Considerations of ecology, ecosystems, and study design
Borgå, K., Kidd, K. A., Muir, D. C., Berglund, O., Conder, J. M., Gobas, F. A., Kucklick, J., Malm, O., & Powell, D. E. (2012) · Integrated Environmental Assessment and Management · doi:10.1002/ieam.244 · Cited by 531
Trophic Magnification of Poly- and Perfluorinated Compounds in a Subtropical Food Web
Loi, E. I. H., Yeung, L. W. Y., Taniyasu, S., Lam, P. K. S., Kannan, K., & Yamashita, N. (2011) · Environmental Science & Technology · doi:10.1021/es200432n · Cited by 335
Intestinal absorption and biomagnification of organic contaminants in fish, wildlife, and humans
Kelly, B. C., Gobas, F. A. P. C., & McLachlan, M. S. (2004) · Environmental Toxicology and Chemistry · doi:10.1897/03-545 · Cited by 237
Fisk, A. T., de Wit, C. A., Wayland, M., Kuzyk, Z. Z., Burgess, N., Letcher, R., Braune, B., Norstrom, R., Blum, S. P., Sandau, C., et al. (2005) · Science of The Total Environment · doi:10.1016/j.scitotenv.2005.01.051 · Cited by 187
Self-citationTrophic Magnification of Organic Chemicals: A Global Synthesis
Walters, D. M., Jardine, T. D., Cade, B. S., Kidd, K. A., Muir, D. C. G., & Leipzig-Scott, P. (2016) · Environmental Science & Technology · doi:10.1021/acs.est.6b00201 · Cited by 181
Liu, Y., Ruan, T., Lin, Y., Liu, A., Yu, M., Liu, R., Meng, M., Wang, Y., Liu, J., & Jiang, G. (2017) · Environmental Science & Technology · doi:10.1021/acs.est.6b06593 · Cited by 168
Metadata
- Authors
- Fisk, A. T., Hobson, K. A., & Norstrom, R. J.
- Venue
- Environmental Science & Technology
- Publisher
- American Chemical Society (ACS)
- Published
- 2001-01-18
- Volume
- 35
- Issue
- 4
- Pages
- 732-738
- ISSN
- 0013-936X (ISSN-L)
- 1520-5851
- OpenAlex
- W2071708329
- Cited by
- 719
- References
- 0
- FWCI
- 12.94
- Type
- journal article
- Language
- en
- Open access
- closed
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