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本文论述了不同浓度的沙柴油污染海洋底栖围隔生态系后，在各相中的分布及其变化。实验结果表明：柴油添加后20h，底质油含量与水体油污染含量成正相关；菲律宾蛤行（Ruditapesphilippinarum）对柴油有较强的富集能力。柴油中短链正构烷烃（C8～C15）较易消失。柴油对底栖生态系的影响周期较长。
This paper discusses the distribution and variation of marine diesel benthic sequestration ecosystem in different phases after it is contaminated by sand diesel oil. The experimental results show that there is a positive correlation between the content of bottom oil and the content of oil in water 20 h after the diesel oil is added. Ruditapes philippinarum has a strong enrichment ability for diesel oil. Diesel short-chain normal paraffins (C8 ~ C15) easier to disappear. The impact of diesel on benthic ecosystems is longer.