Instituto Argentino de Oceanografía (IADO), CONICET/UNS, CCT-Bahía Blanca, Camino La Carrindanga, km 7.5, Edificio E1, B8000FWB Bahía Blanca, Buenos Aires, Argentina; Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS), San Juan 670, B8000ICN Bahía Blanca, Buenos Aires, Argentina.
Instituto Argentino de Oceanografía (IADO), CONICET/UNS, CCT-Bahía Blanca, Camino La Carrindanga, km 7.5, Edificio E1, B8000FWB Bahía Blanca, Buenos Aires, Argentina; Departamento de Biología, Bioquímica y Farmacia, Universidad Nacional del Sur (UNS), San Juan 670, B8000ICN Bahía Blanca, Buenos Aires, Argentina.
Mar Pollut Bull. 2022 Jan;174:113235. doi: 10.1016/j.marpolbul.2021.113235. Epub 2021 Dec 9.
The main objective of this article was to profile the metal accumulation, sources, pollution levels and trends during 6 years in a SW Atlantic coastal system (Bahía Blanca estuary). Subtidal sediment samples were taken from six stations with different human impacts, and chemical element analyses were performed using ICP-OES. As a result, metals tended to increase in time and differences were observed between a site profoundly impacted by sewage waters and the rest of the sampling stations. Values range from background levels to those considered toxic for the marine biota, as in the case of Cd and Cu. Besides, the geochemical analyses exhibited low to moderate pollution with probable adverse biological effects. Finally, the physicochemical parameters of the water column like pH and DO significantly decreased in time in all stations and temperature correlated with some metals, indicating a potential interaction.
本文的主要目的是描述 SW 大西洋沿海系统（Bahía Blanca 河口） 6 年来金属积累、来源、污染水平和趋势。从受不同人为影响的六个站位采集了亚潮下沉积物样品，并使用 ICP-OES 进行了化学元素分析。结果表明，金属含量随时间呈上升趋势，受污水影响严重的站位与其他采样站位之间存在差异。这些值的范围从背景水平到被认为对海洋生物有毒的水平，如 Cd 和 Cu。此外，地球化学分析显示，低到中度污染可能对生物产生不利影响。最后，水柱的理化参数，如 pH 值和 DO 值在所有站位随时间显著降低，温度与一些金属相关，表明存在潜在的相互作用。
