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

被引：17

作者：

Khan, RA ^{[1
]}

Payne, JF

机构：

[1] Mem Univ Newfoundland, Dept Biol, St Johns, NF A1B 3X9, Canada

[2] Mem Univ Newfoundland, Ocean Sci Ctr, St Johns, NF A1B 3X9, Canada

[3] Fisheries & Oceans Canada, St Johns, NF A1C 5X1, Canada

来源：

CHEMOSPHERE | 2002年 / 46卷 / 02期

基金：

加拿大自然科学与工程研究理事会;

关键词：

EROD activity; Pleuronectes americanus; paper mill; gender; maturity; hepatic lesions;

D O I：

10.1016/S0045-6535(01)00125-4

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

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 0degreesC, 5degreesC and 16degreesC. Enzymic activity was detected in fish living only above 0degreesC. Adult males and juvenile fish had higher levels of EROD activity than prespawning females at 5degreesC. 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. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：235 / 239

页数：5

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