Persistent organic pollutants in marine biota of São Pedro and São Paulo Archipelago, Brazil.

Abstract:

:Remote islands, such as the São Pedro and São Paulo Archipelago (SPSPA), Brazil, are pristine areas. However, these locations are not exempt from the arrival of anthropogenic agents, such as persistent organic pollutants (POPs). The present study aimed to determine the occurrence and distribution of POPs in the marine biota of the SPSPA. Sample extractions were performed using a microwave-assisted method. The predominant compounds were PCBs and DDTs, which respectively had mean wet weight concentrations of 62.23 and 9.23 ng g(-1) in the tropical two-wing flying fish (Exocoetus volitans), 78.66 and 6.81 ng g(-1) in the brown booby (Sula leucogaster) and 43.40 and 3.03 ng g(-1) in the red rock crab (Grapsus grapsus). Low levels of contaminants suggest a relative degree of isolation. Occurrence and distribution profiles of PCBs support long-range atmospheric transport as the main source of contamination and demonstrate the ubiquity of these pollutants in the marine environment.

journal_name

Mar Pollut Bull

authors

Dias PS,Cipro CV,Taniguchi S,Montone RC

doi

10.1016/j.marpolbul.2013.06.025

subject

Has Abstract

pub_date

2013-09-15 00:00:00

pages

435-40

issue

1

eissn

0025-326X

issn

1879-3363

pii

S0025-326X(13)00317-2

journal_volume

74

pub_type

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