Mercury bioaccumulation in the food web of Three Gorges Reservoir (China): Tempo-spatial patterns and effect of reservoir management
Tempo-spatial patterns of mercury bioaccumulation and tropho-dynamics, and the potential for a reservoir effect were evaluated in the Three Gorges Reservoir (TGR, China) from 2011 to 2012, using total mercury concentrations (THg) and stable isotopes (δ(13)C and δ(15)N) of food web components (seston...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhou, Qiong [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2015 |
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| Rechteinformationen: |
Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved. |
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| Schlagwörter: |
Aquatic Organisms - metabolism |
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| Übergeordnetes Werk: |
Enthalten in: The science of the total environment - Amsterdam : Elsevier, 1972, 527-528(2015), Seite 203-210 |
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| Übergeordnetes Werk: |
volume:527-528 ; year:2015 ; pages:203-210 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.scitotenv.2015.04.115 |
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OLC1969691034 |
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| 520 | |a Tempo-spatial patterns of mercury bioaccumulation and tropho-dynamics, and the potential for a reservoir effect were evaluated in the Three Gorges Reservoir (TGR, China) from 2011 to 2012, using total mercury concentrations (THg) and stable isotopes (δ(13)C and δ(15)N) of food web components (seston, aquatic invertebrates and fish). Hg concentrations in aquatic invertebrates and fish indicated a significant temporal trend associated with regular seasonal water-level manipulation. This includes water level lowering to allow for storage of water during the wet season (summer); a decrease of water levels from September to June providing a setting for flood storage. Hg concentrations in organisms were the highest after flooding. Higher Hg concentrations in fish were observed at the location farthest from the dam. Hg concentrations in water and sediment were correlated. Compared with the reservoirs of United States and Canada, TGR had lower trophic magnification factors (0.046-0.066), that are explained primarily by organic carbon concentrations in sediment, and the effect of "growth dilution". Based on comparison before and after the impoundment of TGR, THg concentration in biota did not display an obvious long-term reservoir effect due to (i) short time since inundation, (ii) regular water discharge associated with water-level regulation, and/or (iii) low organic matter content in the sediment. | ||
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10.1016/j.scitotenv.2015.04.115 doi PQ20160211 (DE-627)OLC1969691034 (DE-599)GBVOLC1969691034 (PRQ)c1891-6dfab6207cb148cb0322028c8824dde6bfad98ae61bf72354eed8eb62761c4b30 (KEY)0073664320150000527000000203mercurybioaccumulationinthefoodwebofthreegorgesres DE-627 ger DE-627 rakwb eng 570 333.7 610 DNB Zhou, Qiong verfasserin aut Mercury bioaccumulation in the food web of Three Gorges Reservoir (China): Tempo-spatial patterns and effect of reservoir management 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Tempo-spatial patterns of mercury bioaccumulation and tropho-dynamics, and the potential for a reservoir effect were evaluated in the Three Gorges Reservoir (TGR, China) from 2011 to 2012, using total mercury concentrations (THg) and stable isotopes (δ(13)C and δ(15)N) of food web components (seston, aquatic invertebrates and fish). Hg concentrations in aquatic invertebrates and fish indicated a significant temporal trend associated with regular seasonal water-level manipulation. This includes water level lowering to allow for storage of water during the wet season (summer); a decrease of water levels from September to June providing a setting for flood storage. Hg concentrations in organisms were the highest after flooding. Higher Hg concentrations in fish were observed at the location farthest from the dam. Hg concentrations in water and sediment were correlated. Compared with the reservoirs of United States and Canada, TGR had lower trophic magnification factors (0.046-0.066), that are explained primarily by organic carbon concentrations in sediment, and the effect of "growth dilution". Based on comparison before and after the impoundment of TGR, THg concentration in biota did not display an obvious long-term reservoir effect due to (i) short time since inundation, (ii) regular water discharge associated with water-level regulation, and/or (iii) low organic matter content in the sediment. Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved. Aquatic Organisms - metabolism Water Pollutants, Chemical - metabolism Mercury - metabolism He, Xugang oth Yuan, Gailing oth Li, Jun oth Xie, Ping oth Enthalten in The science of the total environment Amsterdam : Elsevier, 1972 527-528(2015), Seite 203-210 (DE-627)129297917 (DE-600)121506-1 (DE-576)014490919 0048-9697 nnns volume:527-528 year:2015 pages:203-210 http://dx.doi.org/10.1016/j.scitotenv.2015.04.115 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25958367 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 527-528 2015 203-210 |
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10.1016/j.scitotenv.2015.04.115 doi PQ20160211 (DE-627)OLC1969691034 (DE-599)GBVOLC1969691034 (PRQ)c1891-6dfab6207cb148cb0322028c8824dde6bfad98ae61bf72354eed8eb62761c4b30 (KEY)0073664320150000527000000203mercurybioaccumulationinthefoodwebofthreegorgesres DE-627 ger DE-627 rakwb eng 570 333.7 610 DNB Zhou, Qiong verfasserin aut Mercury bioaccumulation in the food web of Three Gorges Reservoir (China): Tempo-spatial patterns and effect of reservoir management 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Tempo-spatial patterns of mercury bioaccumulation and tropho-dynamics, and the potential for a reservoir effect were evaluated in the Three Gorges Reservoir (TGR, China) from 2011 to 2012, using total mercury concentrations (THg) and stable isotopes (δ(13)C and δ(15)N) of food web components (seston, aquatic invertebrates and fish). Hg concentrations in aquatic invertebrates and fish indicated a significant temporal trend associated with regular seasonal water-level manipulation. This includes water level lowering to allow for storage of water during the wet season (summer); a decrease of water levels from September to June providing a setting for flood storage. Hg concentrations in organisms were the highest after flooding. Higher Hg concentrations in fish were observed at the location farthest from the dam. Hg concentrations in water and sediment were correlated. Compared with the reservoirs of United States and Canada, TGR had lower trophic magnification factors (0.046-0.066), that are explained primarily by organic carbon concentrations in sediment, and the effect of "growth dilution". Based on comparison before and after the impoundment of TGR, THg concentration in biota did not display an obvious long-term reservoir effect due to (i) short time since inundation, (ii) regular water discharge associated with water-level regulation, and/or (iii) low organic matter content in the sediment. Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved. Aquatic Organisms - metabolism Water Pollutants, Chemical - metabolism Mercury - metabolism He, Xugang oth Yuan, Gailing oth Li, Jun oth Xie, Ping oth Enthalten in The science of the total environment Amsterdam : Elsevier, 1972 527-528(2015), Seite 203-210 (DE-627)129297917 (DE-600)121506-1 (DE-576)014490919 0048-9697 nnns volume:527-528 year:2015 pages:203-210 http://dx.doi.org/10.1016/j.scitotenv.2015.04.115 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25958367 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 527-528 2015 203-210 |
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10.1016/j.scitotenv.2015.04.115 doi PQ20160211 (DE-627)OLC1969691034 (DE-599)GBVOLC1969691034 (PRQ)c1891-6dfab6207cb148cb0322028c8824dde6bfad98ae61bf72354eed8eb62761c4b30 (KEY)0073664320150000527000000203mercurybioaccumulationinthefoodwebofthreegorgesres DE-627 ger DE-627 rakwb eng 570 333.7 610 DNB Zhou, Qiong verfasserin aut Mercury bioaccumulation in the food web of Three Gorges Reservoir (China): Tempo-spatial patterns and effect of reservoir management 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Tempo-spatial patterns of mercury bioaccumulation and tropho-dynamics, and the potential for a reservoir effect were evaluated in the Three Gorges Reservoir (TGR, China) from 2011 to 2012, using total mercury concentrations (THg) and stable isotopes (δ(13)C and δ(15)N) of food web components (seston, aquatic invertebrates and fish). Hg concentrations in aquatic invertebrates and fish indicated a significant temporal trend associated with regular seasonal water-level manipulation. This includes water level lowering to allow for storage of water during the wet season (summer); a decrease of water levels from September to June providing a setting for flood storage. Hg concentrations in organisms were the highest after flooding. Higher Hg concentrations in fish were observed at the location farthest from the dam. Hg concentrations in water and sediment were correlated. Compared with the reservoirs of United States and Canada, TGR had lower trophic magnification factors (0.046-0.066), that are explained primarily by organic carbon concentrations in sediment, and the effect of "growth dilution". Based on comparison before and after the impoundment of TGR, THg concentration in biota did not display an obvious long-term reservoir effect due to (i) short time since inundation, (ii) regular water discharge associated with water-level regulation, and/or (iii) low organic matter content in the sediment. Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved. Aquatic Organisms - metabolism Water Pollutants, Chemical - metabolism Mercury - metabolism He, Xugang oth Yuan, Gailing oth Li, Jun oth Xie, Ping oth Enthalten in The science of the total environment Amsterdam : Elsevier, 1972 527-528(2015), Seite 203-210 (DE-627)129297917 (DE-600)121506-1 (DE-576)014490919 0048-9697 nnns volume:527-528 year:2015 pages:203-210 http://dx.doi.org/10.1016/j.scitotenv.2015.04.115 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25958367 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 527-528 2015 203-210 |
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10.1016/j.scitotenv.2015.04.115 doi PQ20160211 (DE-627)OLC1969691034 (DE-599)GBVOLC1969691034 (PRQ)c1891-6dfab6207cb148cb0322028c8824dde6bfad98ae61bf72354eed8eb62761c4b30 (KEY)0073664320150000527000000203mercurybioaccumulationinthefoodwebofthreegorgesres DE-627 ger DE-627 rakwb eng 570 333.7 610 DNB Zhou, Qiong verfasserin aut Mercury bioaccumulation in the food web of Three Gorges Reservoir (China): Tempo-spatial patterns and effect of reservoir management 2015 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Tempo-spatial patterns of mercury bioaccumulation and tropho-dynamics, and the potential for a reservoir effect were evaluated in the Three Gorges Reservoir (TGR, China) from 2011 to 2012, using total mercury concentrations (THg) and stable isotopes (δ(13)C and δ(15)N) of food web components (seston, aquatic invertebrates and fish). Hg concentrations in aquatic invertebrates and fish indicated a significant temporal trend associated with regular seasonal water-level manipulation. This includes water level lowering to allow for storage of water during the wet season (summer); a decrease of water levels from September to June providing a setting for flood storage. Hg concentrations in organisms were the highest after flooding. Higher Hg concentrations in fish were observed at the location farthest from the dam. Hg concentrations in water and sediment were correlated. Compared with the reservoirs of United States and Canada, TGR had lower trophic magnification factors (0.046-0.066), that are explained primarily by organic carbon concentrations in sediment, and the effect of "growth dilution". Based on comparison before and after the impoundment of TGR, THg concentration in biota did not display an obvious long-term reservoir effect due to (i) short time since inundation, (ii) regular water discharge associated with water-level regulation, and/or (iii) low organic matter content in the sediment. Nutzungsrecht: Copyright © 2015 Elsevier B.V. All rights reserved. Aquatic Organisms - metabolism Water Pollutants, Chemical - metabolism Mercury - metabolism He, Xugang oth Yuan, Gailing oth Li, Jun oth Xie, Ping oth Enthalten in The science of the total environment Amsterdam : Elsevier, 1972 527-528(2015), Seite 203-210 (DE-627)129297917 (DE-600)121506-1 (DE-576)014490919 0048-9697 nnns volume:527-528 year:2015 pages:203-210 http://dx.doi.org/10.1016/j.scitotenv.2015.04.115 Volltext http://www.ncbi.nlm.nih.gov/pubmed/25958367 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OPC-GGO GBV_ILN_21 GBV_ILN_70 GBV_ILN_4012 AR 527-528 2015 203-210 |
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mercury bioaccumulation in the food web of three gorges reservoir (china): tempo-spatial patterns and effect of reservoir management |
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Mercury bioaccumulation in the food web of Three Gorges Reservoir (China): Tempo-spatial patterns and effect of reservoir management |
| abstract |
Tempo-spatial patterns of mercury bioaccumulation and tropho-dynamics, and the potential for a reservoir effect were evaluated in the Three Gorges Reservoir (TGR, China) from 2011 to 2012, using total mercury concentrations (THg) and stable isotopes (δ(13)C and δ(15)N) of food web components (seston, aquatic invertebrates and fish). Hg concentrations in aquatic invertebrates and fish indicated a significant temporal trend associated with regular seasonal water-level manipulation. This includes water level lowering to allow for storage of water during the wet season (summer); a decrease of water levels from September to June providing a setting for flood storage. Hg concentrations in organisms were the highest after flooding. Higher Hg concentrations in fish were observed at the location farthest from the dam. Hg concentrations in water and sediment were correlated. Compared with the reservoirs of United States and Canada, TGR had lower trophic magnification factors (0.046-0.066), that are explained primarily by organic carbon concentrations in sediment, and the effect of "growth dilution". Based on comparison before and after the impoundment of TGR, THg concentration in biota did not display an obvious long-term reservoir effect due to (i) short time since inundation, (ii) regular water discharge associated with water-level regulation, and/or (iii) low organic matter content in the sediment. |
| abstractGer |
Tempo-spatial patterns of mercury bioaccumulation and tropho-dynamics, and the potential for a reservoir effect were evaluated in the Three Gorges Reservoir (TGR, China) from 2011 to 2012, using total mercury concentrations (THg) and stable isotopes (δ(13)C and δ(15)N) of food web components (seston, aquatic invertebrates and fish). Hg concentrations in aquatic invertebrates and fish indicated a significant temporal trend associated with regular seasonal water-level manipulation. This includes water level lowering to allow for storage of water during the wet season (summer); a decrease of water levels from September to June providing a setting for flood storage. Hg concentrations in organisms were the highest after flooding. Higher Hg concentrations in fish were observed at the location farthest from the dam. Hg concentrations in water and sediment were correlated. Compared with the reservoirs of United States and Canada, TGR had lower trophic magnification factors (0.046-0.066), that are explained primarily by organic carbon concentrations in sediment, and the effect of "growth dilution". Based on comparison before and after the impoundment of TGR, THg concentration in biota did not display an obvious long-term reservoir effect due to (i) short time since inundation, (ii) regular water discharge associated with water-level regulation, and/or (iii) low organic matter content in the sediment. |
| abstract_unstemmed |
Tempo-spatial patterns of mercury bioaccumulation and tropho-dynamics, and the potential for a reservoir effect were evaluated in the Three Gorges Reservoir (TGR, China) from 2011 to 2012, using total mercury concentrations (THg) and stable isotopes (δ(13)C and δ(15)N) of food web components (seston, aquatic invertebrates and fish). Hg concentrations in aquatic invertebrates and fish indicated a significant temporal trend associated with regular seasonal water-level manipulation. This includes water level lowering to allow for storage of water during the wet season (summer); a decrease of water levels from September to June providing a setting for flood storage. Hg concentrations in organisms were the highest after flooding. Higher Hg concentrations in fish were observed at the location farthest from the dam. Hg concentrations in water and sediment were correlated. Compared with the reservoirs of United States and Canada, TGR had lower trophic magnification factors (0.046-0.066), that are explained primarily by organic carbon concentrations in sediment, and the effect of "growth dilution". Based on comparison before and after the impoundment of TGR, THg concentration in biota did not display an obvious long-term reservoir effect due to (i) short time since inundation, (ii) regular water discharge associated with water-level regulation, and/or (iii) low organic matter content in the sediment. |
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| title_short |
Mercury bioaccumulation in the food web of Three Gorges Reservoir (China): Tempo-spatial patterns and effect of reservoir management |
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http://dx.doi.org/10.1016/j.scitotenv.2015.04.115 http://www.ncbi.nlm.nih.gov/pubmed/25958367 |
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