Preliminary investigation of lower Danube pollution caused by potentially toxic metals
Copyright © 2020 Elsevier Ltd. All rights reserved..
The current study aims to assess the pollution status of the European river-sea system lower Danube River-Danube Delta-North West Black Sea, through an integrated analysis of metal concentrations in water, sediments and fish community. The Danube flows through numerous industrial cities and receives a significant amount of pollutants due to the reception of urban and industrial emissaries, as well as agricultural land runoff. Samples of water, sediments and fish (10 species) were collected from 7 representative sites along Danube River, Danube Delta and Black Sea shore. For the analysed fish species, potentially toxic and essential elements (Pb, Cd, As, Cu, Fe, Zn, Mg, Ca, Na, K) from muscle and liver samples were measured and discussed. Measurement of elements and other environmental quality parameters were determined for water and sediments. The Black Sea area, represented by S6 and S7, received sediments from Danube with the lowest concentrations of Cd (0.05 ± 0.01 μg g-1, respectively 0.01 ± 0.001 μg g-1), Pb (3 ± 0.03 μg g-1, respectively 2 ± 0.03 μg g-1), As (2 ± 0.02 μg g-1, respectively 1.4 ± 0.3 μg g-1), Ni (8.9 ± 0.1 μg g-1, respectively 5.2 ± 0.2 μg g-1), Cr (8 ± 0.7 μg g-1, respectively 5 ± 0.2 μg g-1), Cu (3 ± 0.1 μg g-1, respectively 2 ± 0.04 μg g-1), Fe(6 ± 0.3 μg g-1, respectively 3 ± 0.1 μg g-1) and Zn (0.03 ± 0.003 μg g-1, respectively 0.017 ± 0.001 μg g-1). These results suggest that the Danube Delta system plays an important role in filtering the pollutants. Based on the biota and water analysis, there was no correlation observed between Cd, respectively Pb concentration in the environment and fish body (Person Coef. = -0.02 in muscle tissue and -0.01 in liver tissue, respectively Pearson Coeff. = -0.06 in muscle tissue and 0.1 in liver tissue). Cadmium remained an active element in the pollution of the Danube area (S1 and S2), with high concentration in the water matrix (0.14 ± 0.02 μg L-1, respectively 0.05 ± 0.01 μg L-1) and fish muscle (0.15 ± 0.03 μg g-1f.w. in C. carpio - S2). This fact was confirmed by several other studies.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:264 |
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| Enthalten in: |
Chemosphere - 264(2021), Pt 1 vom: 15. Feb., Seite 128496 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Simionov, Ira-Adeline [VerfasserIn] |
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| Links: |
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| Themen: |
Bioaccumulation |
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| Anmerkungen: |
Date Completed 22.12.2020 Date Revised 22.12.2020 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.chemosphere.2020.128496 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM316022551 |
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| 245 | 1 | 0 | |a Preliminary investigation of lower Danube pollution caused by potentially toxic metals |
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| 500 | |a Date Revised 22.12.2020 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2020 Elsevier Ltd. All rights reserved. | ||
| 520 | |a The current study aims to assess the pollution status of the European river-sea system lower Danube River-Danube Delta-North West Black Sea, through an integrated analysis of metal concentrations in water, sediments and fish community. The Danube flows through numerous industrial cities and receives a significant amount of pollutants due to the reception of urban and industrial emissaries, as well as agricultural land runoff. Samples of water, sediments and fish (10 species) were collected from 7 representative sites along Danube River, Danube Delta and Black Sea shore. For the analysed fish species, potentially toxic and essential elements (Pb, Cd, As, Cu, Fe, Zn, Mg, Ca, Na, K) from muscle and liver samples were measured and discussed. Measurement of elements and other environmental quality parameters were determined for water and sediments. The Black Sea area, represented by S6 and S7, received sediments from Danube with the lowest concentrations of Cd (0.05 ± 0.01 μg g-1, respectively 0.01 ± 0.001 μg g-1), Pb (3 ± 0.03 μg g-1, respectively 2 ± 0.03 μg g-1), As (2 ± 0.02 μg g-1, respectively 1.4 ± 0.3 μg g-1), Ni (8.9 ± 0.1 μg g-1, respectively 5.2 ± 0.2 μg g-1), Cr (8 ± 0.7 μg g-1, respectively 5 ± 0.2 μg g-1), Cu (3 ± 0.1 μg g-1, respectively 2 ± 0.04 μg g-1), Fe(6 ± 0.3 μg g-1, respectively 3 ± 0.1 μg g-1) and Zn (0.03 ± 0.003 μg g-1, respectively 0.017 ± 0.001 μg g-1). These results suggest that the Danube Delta system plays an important role in filtering the pollutants. Based on the biota and water analysis, there was no correlation observed between Cd, respectively Pb concentration in the environment and fish body (Person Coef. = -0.02 in muscle tissue and -0.01 in liver tissue, respectively Pearson Coeff. = -0.06 in muscle tissue and 0.1 in liver tissue). Cadmium remained an active element in the pollution of the Danube area (S1 and S2), with high concentration in the water matrix (0.14 ± 0.02 μg L-1, respectively 0.05 ± 0.01 μg L-1) and fish muscle (0.15 ± 0.03 μg g-1f.w. in C. carpio - S2). This fact was confirmed by several other studies | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bioaccumulation | |
| 650 | 4 | |a Biomonitoring | |
| 650 | 4 | |a Danube | |
| 650 | 4 | |a Toxic metals | |
| 650 | 4 | |a Water quality | |
| 650 | 7 | |a Metals, Heavy |2 NLM | |
| 650 | 7 | |a Water Pollutants, Chemical |2 NLM | |
| 700 | 1 | |a Cristea, Dragos Sebastian |e verfasserin |4 aut | |
| 700 | 1 | |a Petrea, Stefan-Mihai |e verfasserin |4 aut | |
| 700 | 1 | |a Mogodan, Alina |e verfasserin |4 aut | |
| 700 | 1 | |a Nicoara, Mircea |e verfasserin |4 aut | |
| 700 | 1 | |a Plavan, Gabriel |e verfasserin |4 aut | |
| 700 | 1 | |a Baltag, Emanuel Stefan |e verfasserin |4 aut | |
| 700 | 1 | |a Jijie, Roxana |e verfasserin |4 aut | |
| 700 | 1 | |a Strungaru, Stefan-Adrian |e verfasserin |4 aut | |
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