【摘要】 通过对广州市重点渔业增养殖区为期2年的跟踪调查,发现大多数养殖区养殖水体和底质受到不同程度的污染。养殖水体主要受到总大肠菌群污染,油类和Cu的污染也较为严重。养殖区表层沉积物受到了油类和Hg、As、Cu的污染,属于轻度污染。更多还原

【Abstract】 Tracing investigation on several Guangzhou key aquacultural areas indicated that most areas were polluted by water and sediments.The water body was mainly polluted by total coliforms;in addition the pollution was caused by oil and copper severely.The farming area surface sediments was subjected to light pollution of oil and heavy metals,such as mercury,arsenic and copper.更多还原