Biomagnification and polychlorinated biphenyl congener distribution in an aquatic predator-prey, host-parasite system
(2007) In Environmental Toxicology and Chemistry 26(5). p.837-843- Abstract
- Biomagnification and polychlorinated biphenyl (PCB) congener distribution was examined in a predator-prey, host-parasite system, in which Atlantic salmon (Salmo salar) preyed upon sprat (Sprattus sprattus). Eubothrium crassum was an intestinal parasite in salmon that also "preyed upon" sprat, because the parasites gained access to foodstuffs via the host (salmon) gut. Salmon contained significantly higher concentrations of total PCBs compared to both parasites and prey (sprat), but no difference in PCB concentration was found between sprat and E. crassum. Salmon biomagnified several PCB congeners from their diet (sprat), whereas parasites did not, despite the fact that both salmon and their parasites ingested the same prey. Differences in... (More)
- Biomagnification and polychlorinated biphenyl (PCB) congener distribution was examined in a predator-prey, host-parasite system, in which Atlantic salmon (Salmo salar) preyed upon sprat (Sprattus sprattus). Eubothrium crassum was an intestinal parasite in salmon that also "preyed upon" sprat, because the parasites gained access to foodstuffs via the host (salmon) gut. Salmon contained significantly higher concentrations of total PCBs compared to both parasites and prey (sprat), but no difference in PCB concentration was found between sprat and E. crassum. Salmon biomagnified several PCB congeners from their diet (sprat), whereas parasites did not, despite the fact that both salmon and their parasites ingested the same prey. Differences in nutrient uptake mechanisms between the host and their parasites, in addition to the lack of a gastrointestinal tract in the cestode, may explain the lack of biomagnification in E. crassum. No difference was found in PCB congener distribution between parasites, salmon, and sprat. and none of the animal types showed a preference for accumulating more or less lipophilic congeners (congeners with a high or low octanol/water partition coefficient [K-ow]). Biomagnification factors for individual congeners in salmon did not increase with K-ow-rather, they were constant, as shown by a linear relationship for congener concentration in prey and predator. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/168628
- author
- Persson, M E ; Larsson, Per LU and Stenroth, Patrik LU
- organization
- publishing date
- 2007
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- biomagnification, Atlantic salmon, cestode, intestinal parasite, polychlorinated biphenyl congener
- in
- Environmental Toxicology and Chemistry
- volume
- 26
- issue
- 5
- pages
- 837 - 843
- publisher
- John Wiley & Sons Inc.
- external identifiers
-
- wos:000245749500002
- scopus:34249039264
- ISSN
- 0730-7268
- DOI
- 10.1897/06-305R.1
- language
- English
- LU publication?
- yes
- additional info
- The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Chemical Ecology/Ecotoxicology (Closed 2011) (011006020), Limnology (Closed 2011) (011007000)
- id
- 35db506f-e07a-47e9-8665-195b0582e710 (old id 168628)
- date added to LUP
- 2016-04-01 11:58:33
- date last changed
- 2022-01-26 21:00:35
@article{35db506f-e07a-47e9-8665-195b0582e710,
abstract = {{Biomagnification and polychlorinated biphenyl (PCB) congener distribution was examined in a predator-prey, host-parasite system, in which Atlantic salmon (Salmo salar) preyed upon sprat (Sprattus sprattus). Eubothrium crassum was an intestinal parasite in salmon that also "preyed upon" sprat, because the parasites gained access to foodstuffs via the host (salmon) gut. Salmon contained significantly higher concentrations of total PCBs compared to both parasites and prey (sprat), but no difference in PCB concentration was found between sprat and E. crassum. Salmon biomagnified several PCB congeners from their diet (sprat), whereas parasites did not, despite the fact that both salmon and their parasites ingested the same prey. Differences in nutrient uptake mechanisms between the host and their parasites, in addition to the lack of a gastrointestinal tract in the cestode, may explain the lack of biomagnification in E. crassum. No difference was found in PCB congener distribution between parasites, salmon, and sprat. and none of the animal types showed a preference for accumulating more or less lipophilic congeners (congeners with a high or low octanol/water partition coefficient [K-ow]). Biomagnification factors for individual congeners in salmon did not increase with K-ow-rather, they were constant, as shown by a linear relationship for congener concentration in prey and predator.}},
author = {{Persson, M E and Larsson, Per and Stenroth, Patrik}},
issn = {{0730-7268}},
keywords = {{biomagnification; Atlantic salmon; cestode; intestinal parasite; polychlorinated biphenyl congener}},
language = {{eng}},
number = {{5}},
pages = {{837--843}},
publisher = {{John Wiley & Sons Inc.}},
series = {{Environmental Toxicology and Chemistry}},
title = {{Biomagnification and polychlorinated biphenyl congener distribution in an aquatic predator-prey, host-parasite system}},
url = {{http://dx.doi.org/10.1897/06-305R.1}},
doi = {{10.1897/06-305R.1}},
volume = {{26}},
year = {{2007}},
}