Low levels of persistent organic pollutants (POPS) in New Zealand eels reflect isolation from atmospheric sources

Niklas Holmqvist; Patrik Stenroth; Olof Berglund; Per Nyström; Karin Olsson; D Jellyman; A R McIntosh; Per Larsson

doi:10.1016/j.envpol.2005.08.052

Low levels of persistent organic pollutants (POPS) in New Zealand eels reflect isolation from atmospheric sources

Niklas Holmqvist, Patrik Stenroth, Olof Berglund, Per Nyström, Karin Olsson, D Jellyman, A R McIntosh, Per Larsson

Research output: Contribution to journal › Article › peer-review

Abstract

Polychlorinated biphenyls (PCBs) and organic pesticides (i.e., DDTs) were measured in long finned eels (Anguilla dieffenbachii) in 17 streams on the west coast of South Island, New Zealand. Very low levels of PCBs and low levels of ppDDE were found. The concentrations of PCBs and ppDDE were not correlated within sites indicating that different processes determined the levels of the two pollutants in New Zealand eels. The PCBs probably originate from atmospheric transport, ppDDE levels are determined by land use and are higher in agriculture areas. The low contamination level of these aquatic systems seems to be a function of a low input from both long and short-range transport as well as few local point sources.
No correlation could be found between lipid content and persistent organic pollutants (POPs) concentration (as shown in previous studies) in the eels which could be explained by low and irregular intake of the pollutants.

Original language	English
Pages (from-to)	532-538
Journal	Environmental Pollution
Volume	141
Issue number	3
DOIs	https://doi.org/10.1016/j.envpol.2005.08.052
Publication status	Published - 2006

Subject classification (UKÄ)

Ecology

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10.1016/j.envpol.2005.08.052

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title = "Low levels of persistent organic pollutants (POPS) in New Zealand eels reflect isolation from atmospheric sources",

abstract = "Polychlorinated biphenyls (PCBs) and organic pesticides (i.e., DDTs) were measured in long finned eels (Anguilla dieffenbachii) in 17 streams on the west coast of South Island, New Zealand. Very low levels of PCBs and low levels of ppDDE were found. The concentrations of PCBs and ppDDE were not correlated within sites indicating that different processes determined the levels of the two pollutants in New Zealand eels. The PCBs probably originate from atmospheric transport, ppDDE levels are determined by land use and are higher in agriculture areas. The low contamination level of these aquatic systems seems to be a function of a low input from both long and short-range transport as well as few local point sources. No correlation could be found between lipid content and persistent organic pollutants (POPs) concentration (as shown in previous studies) in the eels which could be explained by low and irregular intake of the pollutants.",

author = "Niklas Holmqvist and Patrik Stenroth and Olof Berglund and Per Nystr{\"o}m and Karin Olsson and D Jellyman and McIntosh, {A R} and Per Larsson",

year = "2006",

doi = "10.1016/j.envpol.2005.08.052",

language = "English",

volume = "141",

pages = "532--538",

journal = "Environmental Pollution",

issn = "0269-7491",

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TY - JOUR

T1 - Low levels of persistent organic pollutants (POPS) in New Zealand eels reflect isolation from atmospheric sources

AU - Holmqvist, Niklas

AU - Stenroth, Patrik

AU - Berglund, Olof

AU - Nyström, Per

AU - Olsson, Karin

AU - Jellyman, D

AU - McIntosh, A R

AU - Larsson, Per

PY - 2006

Y1 - 2006

N2 - Polychlorinated biphenyls (PCBs) and organic pesticides (i.e., DDTs) were measured in long finned eels (Anguilla dieffenbachii) in 17 streams on the west coast of South Island, New Zealand. Very low levels of PCBs and low levels of ppDDE were found. The concentrations of PCBs and ppDDE were not correlated within sites indicating that different processes determined the levels of the two pollutants in New Zealand eels. The PCBs probably originate from atmospheric transport, ppDDE levels are determined by land use and are higher in agriculture areas. The low contamination level of these aquatic systems seems to be a function of a low input from both long and short-range transport as well as few local point sources. No correlation could be found between lipid content and persistent organic pollutants (POPs) concentration (as shown in previous studies) in the eels which could be explained by low and irregular intake of the pollutants.

AB - Polychlorinated biphenyls (PCBs) and organic pesticides (i.e., DDTs) were measured in long finned eels (Anguilla dieffenbachii) in 17 streams on the west coast of South Island, New Zealand. Very low levels of PCBs and low levels of ppDDE were found. The concentrations of PCBs and ppDDE were not correlated within sites indicating that different processes determined the levels of the two pollutants in New Zealand eels. The PCBs probably originate from atmospheric transport, ppDDE levels are determined by land use and are higher in agriculture areas. The low contamination level of these aquatic systems seems to be a function of a low input from both long and short-range transport as well as few local point sources. No correlation could be found between lipid content and persistent organic pollutants (POPs) concentration (as shown in previous studies) in the eels which could be explained by low and irregular intake of the pollutants.

U2 - 10.1016/j.envpol.2005.08.052

DO - 10.1016/j.envpol.2005.08.052

M3 - Article

C2 - 16457918

SN - 0269-7491

VL - 141

SP - 532

EP - 538

JO - Environmental Pollution

JF - Environmental Pollution

IS - 3

ER -

Low levels of persistent organic pollutants (POPS) in New Zealand eels reflect isolation from atmospheric sources

Abstract

Subject classification (UKÄ)

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