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中文摘要：
通过对有排污口的老港（LG）、白龙港（BLG）潮滩和附近没有排污口的朝阳农场潮滩（CY）的沉积物-水界面营养盐通量的研究发现：污水排放造成潮滩上覆水体中营养盐含量增加，进而影响到潮滩沉积物-水界面营养盐氮磷的交换通量；各点中低潮滩的差异（特别是生物活动的影响），造成了中低潮滩对上覆水中N、P作用的差异；老港和白龙港潮滩由于污水的排放使影响沉积物-水界面营养盐交换通量的盐度因素的作用变得不太明显。
英文摘要：
The sediment-water interface nutrients exchange fluxes of BLG （Bailong-gang tideland） and LG （Laogang tideland） with sewage ouffalls were studied compared with those of the CY （Chaoyang tideland） without sewage ouffall. The results showed： the sediment-water interface nutrients exchange fluxes were influenced by the increase of the nutrients in the overlying water of the tideland, which was caused by the discharge of the sewage. The differences （especially the activities of the creatures） between the mid-tideland and the lowtideland caused the discrepancy of the exchange fluxes between them. Affected by the sewage discharge, the factor of salinity which was supposed to be an important factor to influence the sediment-water interface nutrients fluxes turned out to be not significant.
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