Kojadinovic Jessica, Potier Michel, Le Corre Matthieu, Cosson Richard P, Bustamante Paco
Université de La Réunion, ECOMAR, EA 33, Saint-Denis F-97715, France.
Environ Pollut. 2007 Mar;146(2):548-66. doi: 10.1016/j.envpol.2006.07.015. Epub 2006 Nov 1.
Trace elements were analyzed in fish of commercial interest to determine their importance in marine systems of the Western Indian Ocean and their bioaccumulation patterns. The results are equivalent or lower than levels reported in ichthyofauna worldwide. Certain values of muscular Cd, Hg, Pb and Zn were, however, above thresholds for human consumption. Levels varied among tissues, species and fish length, but were seldom influenced by the nutritional condition of the fish, its gender and its reproductive status. Correlations between hepatic Hg and Se levels in Swordfish (r2=0.747) and Yellowfin Tunas (r2=0.226), and among metallothionein linking metals imply the existence of detoxification processes in these species. Level differences between fish from the Mozambique Channel and Reunion Island reflect differences of diets rather than differences of elemental availability in both environments.
对具有商业价值的鱼类中的微量元素进行了分析，以确定它们在西印度洋海洋系统中的重要性及其生物累积模式。结果与全球鱼类区系报告的水平相当或更低。然而，某些肌肉中镉、汞、铅和锌的值高于人类食用的阈值。含量在不同组织、物种和鱼的长度之间有所不同，但很少受到鱼的营养状况、性别及其繁殖状态的影响。剑鱼（r2 = 0.747）和黄鳍金枪鱼（r2 = 0.226）肝脏中汞和硒水平之间的相关性，以及连接金属的金属硫蛋白之间的相关性，意味着这些物种中存在解毒过程。莫桑比克海峡和留尼汪岛的鱼类之间的水平差异反映了饮食差异，而非两种环境中元素可利用性的差异。
