将草虾暴露于受公路径流影响的沉积物中：对繁殖和DNA的影响。
Exposure of grass shrimp to sediments receiving highway runoff: Effects on reproduction and DNA.
作者信息
Lee Richard F, Maruya Keith A, Bulski Karrie
机构信息
Skidaway Institute of Oceanography, University System of Georgia, 10 Ocean Science Circle, Savannah, GA 31411, USA.
出版信息
Mar Environ Res. 2004 Aug-Dec;58(2-5):713-7. doi: 10.1016/j.marenvres.2004.03.020.
A grass shrimp bioassay was carried out on sediments from three estuarine stations which were different distances from a highway storm drain. Total polycyclic aromatic hydrocarbon (PAH) concentrations were 29, 1.5 and 0.1 microg/g sediment at stations A (next to drain), B (100 m from drain) and C (500 m from drain), respectively. Lower embryo production and embryo hatching rates and a higher level of DNA strand breaks (comet assay) were observed in grass shrimp exposed to stations A and B sediments. There appeared to be an association between reproduction abnormalities and increased DNA strand breaks as a result of grass shrimp exposure to estuarine sediments receiving highway runoff.
对来自三个河口站点的沉积物进行了草虾生物测定，这三个站点与一条公路雨水排放口的距离各不相同。在A站（靠近排放口）、B站（距离排放口100米）和C站（距离排放口500米），沉积物中多环芳烃（PAH）的总浓度分别为29、1.5和0.1微克/克。在接触A站和B站沉积物的草虾中，观察到胚胎产量和胚胎孵化率较低，以及DNA链断裂水平较高（彗星试验）。草虾接触受公路径流影响的河口沉积物后，繁殖异常与DNA链断裂增加之间似乎存在关联。
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