Differential Sex, Morphotype and Tissue Accumulation of Mercury in the Crab Carcinus maenas
Abstract Carcinus maenas is an invasive species of recognised economical and ecological importance in which mercury accumulation could be a pathway for bioamplification through food webs. Little information is available about differential accumulation between crab sexes and morphotypes. Taking this...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Costa, Sónia [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2011 |
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| Schlagwörter: |
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| Systematik: |
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| Anmerkung: |
© Springer Science+Business Media B.V. 2011 |
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| Übergeordnetes Werk: |
Enthalten in: Water, air & soil pollution - Springer Netherlands, 1971, 222(2011), 1-4 vom: 14. Apr., Seite 65-75 |
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| Übergeordnetes Werk: |
volume:222 ; year:2011 ; number:1-4 ; day:14 ; month:04 ; pages:65-75 |
| Links: |
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| DOI / URN: |
10.1007/s11270-011-0809-6 |
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OLC208452900X |
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| 245 | 1 | 0 | |a Differential Sex, Morphotype and Tissue Accumulation of Mercury in the Crab Carcinus maenas |
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| 520 | |a Abstract Carcinus maenas is an invasive species of recognised economical and ecological importance in which mercury accumulation could be a pathway for bioamplification through food webs. Little information is available about differential accumulation between crab sexes and morphotypes. Taking this in mind, a set of different industrial discharge scenarios were investigated in 96-h laboratory experiments for assessing the accumulation of inorganic mercury from contaminated seawater into the tissues of C. maenas. Three groups of crabs (green males, green and red females) where exposed to 5, 50 and 250 μg Hg $ L^{−1} $. Differences among sexes, morphotypes and tissues were detected, depending on the mercury concentration. The muscle did not show differential accumulation between sexes or morphotypes. For mercury-exposed crabs, the contaminant was accumulated preferably in the gills (more than 75%) while, in control experiments, it was in the internal organs, muscle and hepatopancreas, and gills corresponded to less than 31% of the total mercury quantified. The different tissue contamination seems dependent on the major pathway of exposure, diet or water. Mercury accumulation by the crab was a rapid process and could represent a risk for the environment only after 96 h. In a scenario of a discharge point of 250 μg $ L^{−1} $, all tissues of crabs exposed would attain a very close, or even exceed the threshold concentration value for human consumption (0.5 mg $ kg^{−1} $). | ||
| 650 | 4 | |a Mercury accumulation | |
| 650 | 4 | |a Morphotypes | |
| 650 | 4 | |a Sexes | |
| 700 | 1 | |a Viegas, Ivan |4 aut | |
| 700 | 1 | |a Pereira, Eduarda |4 aut | |
| 700 | 1 | |a Duarte, Armando C. |4 aut | |
| 700 | 1 | |a Palmeira, Carlos M. |4 aut | |
| 700 | 1 | |a Pardal, Miguel A. |4 aut | |
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10.1007/s11270-011-0809-6 doi (DE-627)OLC208452900X (DE-He213)s11270-011-0809-6-p DE-627 ger DE-627 rakwb eng 570 333.7 VZ 12 13 ssgn BIODIV DE-30 fid ZC 7520 VZ rvk ZC 7520 VZ rvk Costa, Sónia verfasserin aut Differential Sex, Morphotype and Tissue Accumulation of Mercury in the Crab Carcinus maenas 2011 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2011 Abstract Carcinus maenas is an invasive species of recognised economical and ecological importance in which mercury accumulation could be a pathway for bioamplification through food webs. Little information is available about differential accumulation between crab sexes and morphotypes. Taking this in mind, a set of different industrial discharge scenarios were investigated in 96-h laboratory experiments for assessing the accumulation of inorganic mercury from contaminated seawater into the tissues of C. maenas. Three groups of crabs (green males, green and red females) where exposed to 5, 50 and 250 μg Hg $ L^{−1} $. Differences among sexes, morphotypes and tissues were detected, depending on the mercury concentration. The muscle did not show differential accumulation between sexes or morphotypes. For mercury-exposed crabs, the contaminant was accumulated preferably in the gills (more than 75%) while, in control experiments, it was in the internal organs, muscle and hepatopancreas, and gills corresponded to less than 31% of the total mercury quantified. The different tissue contamination seems dependent on the major pathway of exposure, diet or water. Mercury accumulation by the crab was a rapid process and could represent a risk for the environment only after 96 h. In a scenario of a discharge point of 250 μg $ L^{−1} $, all tissues of crabs exposed would attain a very close, or even exceed the threshold concentration value for human consumption (0.5 mg $ kg^{−1} $). Mercury accumulation Morphotypes Sexes Viegas, Ivan aut Pereira, Eduarda aut Duarte, Armando C. aut Palmeira, Carlos M. aut Pardal, Miguel A. aut Enthalten in Water, air & soil pollution Springer Netherlands, 1971 222(2011), 1-4 vom: 14. Apr., Seite 65-75 (DE-627)12929134X (DE-600)120499-3 (DE-576)014472643 0049-6979 nnns volume:222 year:2011 number:1-4 day:14 month:04 pages:65-75 https://doi.org/10.1007/s11270-011-0809-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-UMW SSG-OLC-TEC SSG-OLC-FOR SSG-OLC-IBL SSG-OPC-GGO GBV_ILN_22 GBV_ILN_70 GBV_ILN_2006 GBV_ILN_2027 GBV_ILN_4012 GBV_ILN_4082 GBV_ILN_4219 GBV_ILN_4309 GBV_ILN_4313 ZC 7520 ZC 7520 AR 222 2011 1-4 14 04 65-75 |
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Differential Sex, Morphotype and Tissue Accumulation of Mercury in the Crab Carcinus maenas |
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differential sex, morphotype and tissue accumulation of mercury in the crab carcinus maenas |
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Differential Sex, Morphotype and Tissue Accumulation of Mercury in the Crab Carcinus maenas |
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Abstract Carcinus maenas is an invasive species of recognised economical and ecological importance in which mercury accumulation could be a pathway for bioamplification through food webs. Little information is available about differential accumulation between crab sexes and morphotypes. Taking this in mind, a set of different industrial discharge scenarios were investigated in 96-h laboratory experiments for assessing the accumulation of inorganic mercury from contaminated seawater into the tissues of C. maenas. Three groups of crabs (green males, green and red females) where exposed to 5, 50 and 250 μg Hg $ L^{−1} $. Differences among sexes, morphotypes and tissues were detected, depending on the mercury concentration. The muscle did not show differential accumulation between sexes or morphotypes. For mercury-exposed crabs, the contaminant was accumulated preferably in the gills (more than 75%) while, in control experiments, it was in the internal organs, muscle and hepatopancreas, and gills corresponded to less than 31% of the total mercury quantified. The different tissue contamination seems dependent on the major pathway of exposure, diet or water. Mercury accumulation by the crab was a rapid process and could represent a risk for the environment only after 96 h. In a scenario of a discharge point of 250 μg $ L^{−1} $, all tissues of crabs exposed would attain a very close, or even exceed the threshold concentration value for human consumption (0.5 mg $ kg^{−1} $). © Springer Science+Business Media B.V. 2011 |
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Abstract Carcinus maenas is an invasive species of recognised economical and ecological importance in which mercury accumulation could be a pathway for bioamplification through food webs. Little information is available about differential accumulation between crab sexes and morphotypes. Taking this in mind, a set of different industrial discharge scenarios were investigated in 96-h laboratory experiments for assessing the accumulation of inorganic mercury from contaminated seawater into the tissues of C. maenas. Three groups of crabs (green males, green and red females) where exposed to 5, 50 and 250 μg Hg $ L^{−1} $. Differences among sexes, morphotypes and tissues were detected, depending on the mercury concentration. The muscle did not show differential accumulation between sexes or morphotypes. For mercury-exposed crabs, the contaminant was accumulated preferably in the gills (more than 75%) while, in control experiments, it was in the internal organs, muscle and hepatopancreas, and gills corresponded to less than 31% of the total mercury quantified. The different tissue contamination seems dependent on the major pathway of exposure, diet or water. Mercury accumulation by the crab was a rapid process and could represent a risk for the environment only after 96 h. In a scenario of a discharge point of 250 μg $ L^{−1} $, all tissues of crabs exposed would attain a very close, or even exceed the threshold concentration value for human consumption (0.5 mg $ kg^{−1} $). © Springer Science+Business Media B.V. 2011 |
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Abstract Carcinus maenas is an invasive species of recognised economical and ecological importance in which mercury accumulation could be a pathway for bioamplification through food webs. Little information is available about differential accumulation between crab sexes and morphotypes. Taking this in mind, a set of different industrial discharge scenarios were investigated in 96-h laboratory experiments for assessing the accumulation of inorganic mercury from contaminated seawater into the tissues of C. maenas. Three groups of crabs (green males, green and red females) where exposed to 5, 50 and 250 μg Hg $ L^{−1} $. Differences among sexes, morphotypes and tissues were detected, depending on the mercury concentration. The muscle did not show differential accumulation between sexes or morphotypes. For mercury-exposed crabs, the contaminant was accumulated preferably in the gills (more than 75%) while, in control experiments, it was in the internal organs, muscle and hepatopancreas, and gills corresponded to less than 31% of the total mercury quantified. The different tissue contamination seems dependent on the major pathway of exposure, diet or water. Mercury accumulation by the crab was a rapid process and could represent a risk for the environment only after 96 h. In a scenario of a discharge point of 250 μg $ L^{−1} $, all tissues of crabs exposed would attain a very close, or even exceed the threshold concentration value for human consumption (0.5 mg $ kg^{−1} $). © Springer Science+Business Media B.V. 2011 |
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