广东沿海牡蛎体总铬的含量水平与时空分布特点The Levels and Temporal-spatial Distribution of Total Chromium in the Oysters along Guangdong Coastal Waters
蔡文贵,贾晓平,林钦,周国君
摘要(Abstract)：
1989～1997年于广东沿海设12个牡砺采样点，研究广东沿海牡蛎体总铬的含量水平、地理分布特点和变化趋势。全部牡蛎样品的总铬含量均远低于海洋生物污染评价标准值，属正常本底水平或轻微污染水平。牡蛎体总铬含量的地理分布特点是珠江口海区≥粤西海区＞粤东海区。1989～1991年间，牡蛎体总铬的平均含量呈下降趋势；1991～1994年间，牡蛎体总铬的平均含量年际间虽有波动，但没有显著变化；1994年以后，牡蛎体总铬的平均含量呈上升趋势。
关键词(KeyWords)： 总铬;牡蛎;广东沿海
基金项目(Foundation):
作者(Author): 蔡文贵,贾晓平,林钦,周国君
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