(Table S1) Calcium concentrations of ODP Site 201-1226
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| Natura: | Dataset Open Access |
| Lingua: | en |
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PANGAEA
2010
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| _version_ | 1867169050061176832 |
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| author | Wang, Guizhi Spivack, Arthur J DHondt, Steven |
| author_facet | Wang, Guizhi Spivack, Arthur J DHondt, Steven |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | In situ Gibbs energies of reaction (DG) for acetate-oxidizing sulfate reduction, acetate-oxidizing iron reduction, and acetoclastic methanogenesis, and sulfate-reducing methanotrophy are consistently negative and relatively constant throughout most of the sediment column at the eastern equatorial Pacific Ocean Drilling Program (ODP) Site 1226. The energy yields (-DG) closely match the values (for acetate-oxidizing sulfate reduction and acetoclastic methanogenesis) in published culturing experiments with actively growing cells and, for sulfate-reducing methanotrophy, in other environments. Although microbes mediating these reactions compete for substrates, mutualistic interactions between them appear to sustain their co-existence in deep subseafloor sediments for millions of years (the interval over which the sediments have been deposited). These competing and mutualistic interactions collectively constitute a highly coupled reaction network where relative rates of reaction are regulated by the in situ Gibbs energies of reaction. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_783426 |
| institution | PANGAEA |
| language | en |
| publishDate | 2010 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | (Table S1) Calcium concentrations of ODP Site 201-1226 Wang, Guizhi Spivack, Arthur J DHondt, Steven 201-1226; Calcium; COMPCORE; Composite Core; DEPTH, sediment/rock; Joides Resolution; Leg201; Ocean Drilling Program; ODP; South Pacific Ocean In situ Gibbs energies of reaction (DG) for acetate-oxidizing sulfate reduction, acetate-oxidizing iron reduction, and acetoclastic methanogenesis, and sulfate-reducing methanotrophy are consistently negative and relatively constant throughout most of the sediment column at the eastern equatorial Pacific Ocean Drilling Program (ODP) Site 1226. The energy yields (-DG) closely match the values (for acetate-oxidizing sulfate reduction and acetoclastic methanogenesis) in published culturing experiments with actively growing cells and, for sulfate-reducing methanotrophy, in other environments. Although microbes mediating these reactions compete for substrates, mutualistic interactions between them appear to sustain their co-existence in deep subseafloor sediments for millions of years (the interval over which the sediments have been deposited). These competing and mutualistic interactions collectively constitute a highly coupled reaction network where relative rates of reaction are regulated by the in situ Gibbs energies of reaction. |
| title | (Table S1) Calcium concentrations of ODP Site 201-1226 |
| topic | 201-1226; Calcium; COMPCORE; Composite Core; DEPTH, sediment/rock; Joides Resolution; Leg201; Ocean Drilling Program; ODP; South Pacific Ocean |
| url | https://doi.org/10.1594/PANGAEA.783426 |