Marini Mauro, Frapiccini Emanuela
National Research Council (CNR), Institute of Marine Science (ISMAR), Largo Fiera della Pesca, 2, 60125 Ancona, Italy.
Chemosphere. 2014 Sep;111:80-8. doi: 10.1016/j.chemosphere.2014.03.037. Epub 2014 Apr 19.
The coastal lagoons are vulnerable systems, located between the land and the sea, enriched by both marine and continental inputs and are among the most productive aquatic ecosystems. The purpose of this work is to understand the influence of the lagoon area sediments on the behaviour of polycyclic aromatic hydrocarbons, through the adsorption coefficient determination. In fact, the sorption of polycyclic aromatic hydrocarbons is an important process because it governs the fate, transport, bioavailability and toxicity of these compounds in sediments. It has been observed that the adsorption of polycyclic aromatic hydrocarbons in a transitional system is the outcome of different factors, such as their sources and physicochemical properties, salinity and sediment composition, hydrology and environmental conditions. The results showed that transitional areas contribute to the polycyclic aromatic hydrocarbon accumulation in the sediment turning it into a trap.
沿海泻湖是脆弱的系统，位于陆地与海洋之间，受海洋和陆地输入物质的滋养，是生产力最高的水生生态系统之一。这项工作的目的是通过测定吸附系数来了解泻湖区域沉积物对多环芳烃行为的影响。事实上，多环芳烃的吸附是一个重要过程，因为它决定了这些化合物在沉积物中的归宿、迁移、生物可利用性和毒性。据观察，在过渡系统中多环芳烃的吸附是不同因素作用的结果，如它们的来源和物理化学性质、盐度和沉积物组成、水文和环境条件。结果表明，过渡区域导致沉积物中多环芳烃的积累，使其成为一个“陷阱”。
