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EnglishMetal pollution is a global problemin estuaries due to the legacy of historic contamination and currently increasing metal emissions. However, the establishment of water and sediment standards or management actions in brackish systems has been difficult because of the inherent transdisciplinary nature of estuarine processes. According to the European Commission, integrative comprehension of fate and effects of contaminants in different compartments of these transitional environments (estuarine sediment, water, biota) is still required to better establish, assess and monitor the good ecological status targeted by the Water Framework Directive. Thus, the present study proposes a holistic overview and conceptual model for the environmental fate of metals and their toxicity effects on aquatic organisms in estuaries. This includes the analysis and integration of biogeochemical processes and parameters, metal chemistry and organism physiology. Sources of particulate and dissolved metal, hydrodynamics, water chemistry, and mechanisms of toxicity are discussed jointly in a multidisciplinary manner. It is also hypothesized how these different drivers of metal behaviour might interact and affect metal concentrations in diverse media, and the knowledge gaps and remaining research challenges are pointed. Ultimately, estuarine physicochemical gradients, biogeochemical processes, and organismphysiology are jointly coordinating the fate and potential effects of metals in estuaries, and both realistic model approaches and attempts to postulate site-specific water criteria or water/sediment standards must consider such interdisciplinary interactions. © 2015 Elsevier B.V. All rights reserved.
Metal fate and effects in estuaries: A review and conceptual model for better understanding of toxicity / de Souza Machado, Anderson Abel; Spencer, Kate; Kloas, Werner; Toffolon, Marco; Zarfl, Christiane. - In: SCIENCE OF THE TOTAL ENVIRONMENT. - ISSN 0048-9697. - STAMPA. - 541(2016), pp. 268-281. [10.1016/j.scitotenv.2015.09.045]
| Titolo: | Metal fate and effects in estuaries: A review and conceptual model for better understanding of toxicity | |
| Autori: | de Souza Machado, Anderson Abel; Spencer, Kate; Kloas, Werner; Toffolon, Marco; Zarfl, Christiane | |
| Autori Unitn: | ||
| Titolo del periodico: | SCIENCE OF THE TOTAL ENVIRONMENT | |
| Anno di pubblicazione: | 2016 | |
| Codice identificativo Scopus: | 2-s2.0-84943763375 | |
| Codice identificativo Pubmed: | 26410702 | |
| Codice identificativo WOS: | WOS:000365289300031 | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.scitotenv.2015.09.045 | |
| Handle: | http://hdl.handle.net/11572/143428 | |
| Citazione: | Metal fate and effects in estuaries: A review and conceptual model for better understanding of toxicity / de Souza Machado, Anderson Abel; Spencer, Kate; Kloas, Werner; Toffolon, Marco; Zarfl, Christiane. - In: SCIENCE OF THE TOTAL ENVIRONMENT. - ISSN 0048-9697. - STAMPA. - 541(2016), pp. 268-281. [10.1016/j.scitotenv.2015.09.045] | |
| Appare nelle tipologie: | 03.1 Articolo su rivista (Journal article) |
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