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Some factors influencing EROD activity in winter flounder (Pleuronectes americanus) exposed to effluent from a pulp and paper mill.

Abstract：

:EROD (ethoxyresorufin-O-deethylase) activity was determined in winter flounder, a sediment-inhabiting and non-migratory fish species, living near a pulp and paper mill in Newfoundland in relation to temperature, gender, sexual maturity, and lesions in the liver. Samples of liver were taken from fish captured by SCUBA divers at 0 degrees C, 5 degrees C and 16 degrees C. Enzymic activity was detected in fish living only above 0 degrees C. Adult males and juvenile fish had higher levels of EROD activity than prespawning females at 5 degrees C. Macrophage aggregates only or occurring simultaneously with bile ductule hyperplasia and clear cell foci in the liver, did not impair EROD activity but necrosis had a negative effect. Results from this study indicate the importance of water temperature, gender, sexual maturity and liver pathology in assessing EROD activity of fish in biomonitoring programs.

journal_name

Chemosphere

journal_title

Chemosphere

authors

Khan RA,Payne JF

doi

10.1016/s0045-6535(01)00125-4

subject

Has Abstract

pub_date

2002-01-01 00:00:00

pages

235-9

issue

2

eissn

0045-6535

issn

1879-1298

pii

S0045-6535(01)00125-4

journal_volume

46

pub_type

杂志文章

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