MERCURY CONTENT OF SWORDFISH, XIPHIAS-GLADIUS, IN RELATION TO LENGTH, WEIGHT, AGE, AND SEX

被引:75
作者
MONTEIRO, LR
LOPES, HD
机构
[1] Departamento de Oceanografia e Pescas, Universidade dos Açores
关键词
D O I
10.1016/0025-326X(90)90593-W
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Levels of total mercury determined on the white muscle tissue of swordfish, Xiphias gladius L., caught in the Azores, ranged from 0.06 to 4.91 μg · g-1. Mercury concentrations were studied in relation to length, weight, age, and sex and significant sex-based differences were found. The rate of mercury accumulation in males is significantly faster than in females and for medium-large sized fish mean mercury levels were higher in males. Possible causes of these differences are discussed. The use of swordfish with monitoring purposes and implications of mercury levels for the commercial swordfish fishery and human consumption are also discussed. © 1990.
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页码:293 / 296
页数:4
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