Relations between mercury fractions and microbial community components in seawater under the presence and absence of probable phosphorus limitation conditions
Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on rela...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Živković, Igor [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019transfer abstract |
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| Umfang: |
18 |
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| Übergeordnetes Werk: |
Enthalten in: The development of a computational platform to design and simulate on-board hydrogen storage systems - Mazzucco, Andrea ELSEVIER, 2017transfer abstract, [Amsterdam] |
|---|---|
| Übergeordnetes Werk: |
volume:75 ; year:2019 ; pages:145-162 ; extent:18 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.jes.2018.03.012 |
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ELV045014507 |
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| 520 | |a Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. | ||
| 520 | |a Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. | ||
| 700 | 1 | |a Fajon, Vesna |4 oth | |
| 700 | 1 | |a Kotnik, Jože |4 oth | |
| 700 | 1 | |a Shlyapnikov, Yaroslav |4 oth | |
| 700 | 1 | |a Obu Vazner, Kristina |4 oth | |
| 700 | 1 | |a Begu, Ermira |4 oth | |
| 700 | 1 | |a Šestanović, Stefanija |4 oth | |
| 700 | 1 | |a Šantić, Danijela |4 oth | |
| 700 | 1 | |a Vrdoljak, Ana |4 oth | |
| 700 | 1 | |a Jozić, Slaven |4 oth | |
| 700 | 1 | |a Šolić, Mladen |4 oth | |
| 700 | 1 | |a Lušić, Jelena |4 oth | |
| 700 | 1 | |a Veža, Jere |4 oth | |
| 700 | 1 | |a Kušpilić, Grozdan |4 oth | |
| 700 | 1 | |a Ordulj, Marin |4 oth | |
| 700 | 1 | |a Matić, Frano |4 oth | |
| 700 | 1 | |a Grbec, Branka |4 oth | |
| 700 | 1 | |a Bojanić, Natalia |4 oth | |
| 700 | 1 | |a Ninčević Gladan, Živana |4 oth | |
| 700 | 1 | |a Horvat, Milena |4 oth | |
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10.1016/j.jes.2018.03.012 doi GBV00000000000434.pica (DE-627)ELV045014507 (ELSEVIER)S1001-0742(18)30117-7 DE-627 ger DE-627 rakwb eng 660 VZ 620 VZ 610 VZ 44.94 bkl Živković, Igor verfasserin aut Relations between mercury fractions and microbial community components in seawater under the presence and absence of probable phosphorus limitation conditions 2019transfer abstract 18 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. Fajon, Vesna oth Kotnik, Jože oth Shlyapnikov, Yaroslav oth Obu Vazner, Kristina oth Begu, Ermira oth Šestanović, Stefanija oth Šantić, Danijela oth Vrdoljak, Ana oth Jozić, Slaven oth Šolić, Mladen oth Lušić, Jelena oth Veža, Jere oth Kušpilić, Grozdan oth Ordulj, Marin oth Matić, Frano oth Grbec, Branka oth Bojanić, Natalia oth Ninčević Gladan, Živana oth Horvat, Milena oth Enthalten in Elsevier Mazzucco, Andrea ELSEVIER The development of a computational platform to design and simulate on-board hydrogen storage systems 2017transfer abstract [Amsterdam] (DE-627)ELV015065863 volume:75 year:2019 pages:145-162 extent:18 https://doi.org/10.1016/j.jes.2018.03.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 75 2019 145-162 18 |
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10.1016/j.jes.2018.03.012 doi GBV00000000000434.pica (DE-627)ELV045014507 (ELSEVIER)S1001-0742(18)30117-7 DE-627 ger DE-627 rakwb eng 660 VZ 620 VZ 610 VZ 44.94 bkl Živković, Igor verfasserin aut Relations between mercury fractions and microbial community components in seawater under the presence and absence of probable phosphorus limitation conditions 2019transfer abstract 18 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. Fajon, Vesna oth Kotnik, Jože oth Shlyapnikov, Yaroslav oth Obu Vazner, Kristina oth Begu, Ermira oth Šestanović, Stefanija oth Šantić, Danijela oth Vrdoljak, Ana oth Jozić, Slaven oth Šolić, Mladen oth Lušić, Jelena oth Veža, Jere oth Kušpilić, Grozdan oth Ordulj, Marin oth Matić, Frano oth Grbec, Branka oth Bojanić, Natalia oth Ninčević Gladan, Živana oth Horvat, Milena oth Enthalten in Elsevier Mazzucco, Andrea ELSEVIER The development of a computational platform to design and simulate on-board hydrogen storage systems 2017transfer abstract [Amsterdam] (DE-627)ELV015065863 volume:75 year:2019 pages:145-162 extent:18 https://doi.org/10.1016/j.jes.2018.03.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 75 2019 145-162 18 |
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10.1016/j.jes.2018.03.012 doi GBV00000000000434.pica (DE-627)ELV045014507 (ELSEVIER)S1001-0742(18)30117-7 DE-627 ger DE-627 rakwb eng 660 VZ 620 VZ 610 VZ 44.94 bkl Živković, Igor verfasserin aut Relations between mercury fractions and microbial community components in seawater under the presence and absence of probable phosphorus limitation conditions 2019transfer abstract 18 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. Fajon, Vesna oth Kotnik, Jože oth Shlyapnikov, Yaroslav oth Obu Vazner, Kristina oth Begu, Ermira oth Šestanović, Stefanija oth Šantić, Danijela oth Vrdoljak, Ana oth Jozić, Slaven oth Šolić, Mladen oth Lušić, Jelena oth Veža, Jere oth Kušpilić, Grozdan oth Ordulj, Marin oth Matić, Frano oth Grbec, Branka oth Bojanić, Natalia oth Ninčević Gladan, Živana oth Horvat, Milena oth Enthalten in Elsevier Mazzucco, Andrea ELSEVIER The development of a computational platform to design and simulate on-board hydrogen storage systems 2017transfer abstract [Amsterdam] (DE-627)ELV015065863 volume:75 year:2019 pages:145-162 extent:18 https://doi.org/10.1016/j.jes.2018.03.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 75 2019 145-162 18 |
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10.1016/j.jes.2018.03.012 doi GBV00000000000434.pica (DE-627)ELV045014507 (ELSEVIER)S1001-0742(18)30117-7 DE-627 ger DE-627 rakwb eng 660 VZ 620 VZ 610 VZ 44.94 bkl Živković, Igor verfasserin aut Relations between mercury fractions and microbial community components in seawater under the presence and absence of probable phosphorus limitation conditions 2019transfer abstract 18 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. Fajon, Vesna oth Kotnik, Jože oth Shlyapnikov, Yaroslav oth Obu Vazner, Kristina oth Begu, Ermira oth Šestanović, Stefanija oth Šantić, Danijela oth Vrdoljak, Ana oth Jozić, Slaven oth Šolić, Mladen oth Lušić, Jelena oth Veža, Jere oth Kušpilić, Grozdan oth Ordulj, Marin oth Matić, Frano oth Grbec, Branka oth Bojanić, Natalia oth Ninčević Gladan, Živana oth Horvat, Milena oth Enthalten in Elsevier Mazzucco, Andrea ELSEVIER The development of a computational platform to design and simulate on-board hydrogen storage systems 2017transfer abstract [Amsterdam] (DE-627)ELV015065863 volume:75 year:2019 pages:145-162 extent:18 https://doi.org/10.1016/j.jes.2018.03.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 75 2019 145-162 18 |
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10.1016/j.jes.2018.03.012 doi GBV00000000000434.pica (DE-627)ELV045014507 (ELSEVIER)S1001-0742(18)30117-7 DE-627 ger DE-627 rakwb eng 660 VZ 620 VZ 610 VZ 44.94 bkl Živković, Igor verfasserin aut Relations between mercury fractions and microbial community components in seawater under the presence and absence of probable phosphorus limitation conditions 2019transfer abstract 18 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. Fajon, Vesna oth Kotnik, Jože oth Shlyapnikov, Yaroslav oth Obu Vazner, Kristina oth Begu, Ermira oth Šestanović, Stefanija oth Šantić, Danijela oth Vrdoljak, Ana oth Jozić, Slaven oth Šolić, Mladen oth Lušić, Jelena oth Veža, Jere oth Kušpilić, Grozdan oth Ordulj, Marin oth Matić, Frano oth Grbec, Branka oth Bojanić, Natalia oth Ninčević Gladan, Živana oth Horvat, Milena oth Enthalten in Elsevier Mazzucco, Andrea ELSEVIER The development of a computational platform to design and simulate on-board hydrogen storage systems 2017transfer abstract [Amsterdam] (DE-627)ELV015065863 volume:75 year:2019 pages:145-162 extent:18 https://doi.org/10.1016/j.jes.2018.03.012 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 75 2019 145-162 18 |
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relations between mercury fractions and microbial community components in seawater under the presence and absence of probable phosphorus limitation conditions |
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Relations between mercury fractions and microbial community components in seawater under the presence and absence of probable phosphorus limitation conditions |
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Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. |
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Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. |
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Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels. |
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MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Microbial transformations of toxic monomethylmercury (MMHg) and dissolved gaseous mercury (DGM) at the lower levels of the marine food web are not well understood, especially in oligotrophic and phosphorus-limited seas. To examine the effects of probable phosphorus limitation (PP-limitation) on relations between mercury (Hg) fractions and microorganisms, we determined the total mercury (THg), total methylated mercury (MeHg), DGM, and microbiological and chemical parameters in the Central Adriatic Sea. Using statistical analysis, we assessed the potential microbial effects on Hg transformations and bioaccumulation. Only in the absence of PP-limitation conditions (NO–PP-limitation) is MeHg significantly related to most chemical and microbial parameters, indicating metabolism-dependent Hg transformations. The heterotrophic activity of low nucleic acid bacteria (abundant in oligotrophic regions) seems responsible for most of Hg methylation under NO–PP-limitation. Under these conditions, DGM is strongly related to microbial fractions and chlorophyll a, indicating biological DGM production, which is probably not metabolically induced, as most of these relations are also observed under PP-limitation. MMHg biomagnification was observed through an increased bioaccumulation factor from microseston to mesozooplankton. Our results indicate that Hg transformations and uptake might be enhanced under NO–PP-limitation conditions, emphasizing their impact on the transfer of Hg to higher trophic levels.</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Fajon, Vesna</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Kotnik, Jože</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Shlyapnikov, Yaroslav</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Obu Vazner, Kristina</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Begu, Ermira</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Šestanović, Stefanija</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Šantić, Danijela</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Vrdoljak, Ana</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Jozić, Slaven</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Šolić, Mladen</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lušić, Jelena</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Veža, Jere</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Kušpilić, Grozdan</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ordulj, Marin</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Matić, Frano</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Grbec, Branka</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Bojanić, Natalia</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ninčević Gladan, Živana</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Horvat, Milena</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="n">Elsevier</subfield><subfield code="a">Mazzucco, Andrea ELSEVIER</subfield><subfield code="t">The development of a computational platform to design and simulate on-board hydrogen storage systems</subfield><subfield code="d">2017transfer abstract</subfield><subfield code="g">[Amsterdam]</subfield><subfield code="w">(DE-627)ELV015065863</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:75</subfield><subfield code="g">year:2019</subfield><subfield code="g">pages:145-162</subfield><subfield code="g">extent:18</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.jes.2018.03.012</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ELV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-PHA</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_20</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_22</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_24</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_40</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_70</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_252</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">44.94</subfield><subfield code="j">Hals-Nasen-Ohrenheilkunde</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">75</subfield><subfield code="j">2019</subfield><subfield code="h">145-162</subfield><subfield code="g">18</subfield></datafield></record></collection>
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