Mobilization of river transported colloidal aluminium upon mixing with seawater and subsequent deposition in fish gills

The Science of the Total Environment
Hans-Christian TeienBrit Salbu

Abstract

During flooding events, increased concentrations of gill-reactive aluminium (Al) have been identified in estuarine water causing high Al accumulation in fish gills. By in situ filtering and ultrafiltering river water (pH 5.5-6.4, 3-5 mg L(-1) DOC) and continually mixing the size fractioned river water with seawater (30 in salinity), Al mobilization was studied in flow-through tank systems (6 in salinity) during a six-week field experiment in Western Norway. Atlantic salmon (Salmo salar L.) kept in tanks were continuously exposed to the mixtures. Based on in situ Al fractionation of the experimental waters and sampling of gills from exposed fish, results showed that Al associated with river transported colloids, probably organic material (<or=0.45 microm and >8 kDa) was mobilized to low molecular mass cationic Al-species (LMM Al(i)) upon contact with seawater. Mobilized Al(i)-species deposited immediately on fish gills. During high flow conditions with increased amounts of colloidal material, the concentration of mobilized LMM Al(i) and the Al accumulation in gills of fish exposed to river water-seawater mixtures increased by a factor of 5 and 10, respectively, compared to the input river water. The concentration of mobilized LM...Continue Reading

References

Sep 26, 2003·Journal of Inorganic Biochemistry·Antonio B S Poléo, Sigurd Hytterød
Mar 5, 2004·Journal of Environmental Monitoring : JEM·Hans-Christian TeienAtle Hindar
Apr 15, 2004·The Science of the Total Environment·K GosaviJ Jankowski
Aug 25, 2004·The Science of the Total Environment·Hans Christian TeienBjørn Olav Rosseland
Jun 9, 2005·The Science of the Total Environment·Hans-Christian TeienBjørn Olav Rosseland
Jun 16, 2005·Dalton Transactions : an International Journal of Inorganic Chemistry·Kirill L Shafran, Carole C Perry

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Citations

Dec 3, 2014·Ecotoxicology and Environmental Safety·André Luis da CruzRicardo David Couto
Oct 17, 2014·Environmental Toxicology and Chemistry·Lisa A GoldingChris J Doyle
Mar 9, 2010·The Science of the Total Environment·Lene Sørlie HeierArnljot Einride Strømseng
Jan 23, 2009·Journal of Environmental Radioactivity·Lindis SkipperudBrit Salbu
Oct 28, 2016·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Vagne Melo OliveiraRanilson Souza Bezerra
Jun 28, 2011·Journal of Environmental Monitoring : JEM·Colin NealPaul Scholefield
Jun 6, 2018·International Journal of Environmental Health Research·Sabaridasan Arumugam, Soranam Ramaiah
Apr 30, 2019·Environmental Toxicology and Chemistry·Patricio H RodriguezWilliam Adams
Jun 16, 2010·The Science of the Total Environment·Gerlinde Wauer, Hans-Christian Teien
Jun 3, 2021·Environmental Toxicology and Chemistry·Edwin M FoekemaMartine J van den Heuvel-Greve
Oct 1, 2021·Biological Trace Element Research·Heigon H Queiroz OliveiraAndré Luis da Cruz

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