Linsak Dijana Tomić, Linsak Zeljko, Besić Denis, Vojcić Nina, Telezar Mirna, Coklo Miran, Susnić Sasa, Mićović Vladimir
Teaching Institute of Public Health of Primorsko-Goranska County, Rijeka, Croatia.
Coll Antropol. 2011 Dec;35(4):1193-6.
The aim of this study was to determine pollution by polycyclic aromatic hydrocarbons (PAH) and heavy metals in seawater and sediment in Kostrena coastal area, as well as their toxicity using bioluminescence based tests. Total PAH concentration in seawater ranged 1.7-155.3 ng/L. The share of carcinogenetic PAH was relatively high, ranging 22-48.3%. Nickel concentrations in seawater were beyond detection limits (< 0.1 microg/L), vanadium concentrations ranged 0.66-1.96 microg/L, chrome concentrations were beyond detection limits, and copper concentrations were also beyond detection limits or extremely low (up to 0.32 microg/L). EC50 values in seawater ranged 23.80-90.90 ng/L. Correlation between total PAH concentration and toxicity of seawater showed strong connection between them (r = 0.9579). Total PAH concentration in marine sediment ranged 58.02-1116 microg/kg dry weight (d.w.). The share of carcinogenetic PAH was extremely high ranging 10-53%. Nickel concentrations in marine sediment ranged 8-24 mg/kg d.w., vanadium concentrations ranged 24-42 mg/kg d.w., chrome concentrations ranged 11-19 mg/kg d.w., and copper concentrations ranged 7-25 mg/kg d.w. EC50 values in marine sediment ranged 818-4596 microg/kg d.w. Correlation between total PAH concentration and toxicity of marine sediment showed weak connection between them (r = 0.2590). Previous studies of seawater samples from areas of the Adriatic sea under the direct influence of oil industry did not include concentrations of heavy metals, which makes our study the first to present such comprehensive results. Our results point out the need for further evaluations and following of marine environment pollution and its consequences on living organisms and marine ecosystem in whole.
本研究的目的是测定科斯特雷纳沿海地区海水和沉积物中多环芳烃（PAH）和重金属的污染情况，并通过基于生物发光的测试来评估其毒性。海水中总PAH浓度范围为1.7 - 155.3 ng/L。致癌性PAH的占比相对较高，范围为22 - 48.3%。海水中镍的浓度低于检测限（< 0.1 μg/L），钒的浓度范围为0.66 - 1.96 μg/L，铬的浓度低于检测限，铜的浓度也低于检测限或极低（高达0.32 μg/L）。海水中的半数有效浓度（EC50）值范围为23.80 - 90.90 ng/L。海水中总PAH浓度与毒性之间的相关性显示它们之间存在很强的联系（r = 0.9579）。海洋沉积物中总PAH浓度范围为58.02 - 1116 μg/kg干重（d.w.）。致癌性PAH的占比极高，范围为10 - 53%。海洋沉积物中镍的浓度范围为8 - 24 mg/kg d.w.，钒的浓度范围为24 - 42 mg/kg d.w.，铬的浓度范围为11 - 19 mg/kg d.w.，铜的浓度范围为7 - 25 mg/kg d.w.。海洋沉积物中的EC50值范围为818 - 4596 μg/kg d.w.。海洋沉积物中总PAH浓度与毒性之间的相关性显示它们之间存在较弱的联系（r = 0.2590）。之前对受石油工业直接影响的亚得里亚海地区海水样本的研究未包括重金属浓度，这使得我们的研究首次呈现如此全面的结果。我们的研究结果指出有必要进一步评估和跟踪海洋环境污染及其对整个生物和海洋生态系统的影响。
