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Table T3. Results of methanogenic enrichment cultures with complex or hydrocarbon substrates after 12 months incubation, Expedition 347.
Core, section, interval (cm)
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No substrate
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Monomer mix
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Polymer mix
|
Spirulina
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Hexadecane
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Ethylbenzene
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Methylnaphthalene
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Dotriacontan
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347-M0059C-
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3H-2, 40–45
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(+)
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|
|
|
|
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6H-1, 95–100
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(+)
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|
|
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|
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9H-1, 95–100
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(+)
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|
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|
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12H-2, 65–70
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(+)
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|
|
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|
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15H-1, 100–105
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(+)
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|
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24H-2, 65–70
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|
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347-M0059E-
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4H-2, 55–60
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|
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7H-2, 115–120
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|
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|
|
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10H-2, 140–145
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|
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+
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|
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13H-2, 125–130
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+
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++
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+
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+
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(+)
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|
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16H-2, 90–95
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|
|
|
|
|
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25H-2, 105–110
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|
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347-M0060B-
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6H-2, 75–80
|
|
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9H-2, 55–60
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|
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|
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12H-2, 50–55
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|
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|
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|
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15H-2, 45–50
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|
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|
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23H-2, 20–25
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|
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|
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|
|
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24H-2, 50–55
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|
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28H-2, 110–115
|
|
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347-M0063E-
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3H-2, 60–65
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+
|
|
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+
|
|
|
|
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6H-2, 50–55
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(+)
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|
|
|
|
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|
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9H-2, 45–50
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|
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12H-2, 62–67
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+
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+
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+
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+
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+
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+
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+
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(+)
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15H-2, 45–50
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|
|
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18H-2, 25–30
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|
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21H-2, 25–30
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(+)
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(+)
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(+)
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(+)
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(+)
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32H-2, 90–95
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|
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42H-2, 120–125
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|
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347-M0065C-
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4H-2, 60–65
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7H-2, 65–70
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|
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10H-2, 60–65
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12H-2, 110–115
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(+) = CH4 production only slightly higher than in controls, + = CH4 formation substantially higher than in controls, ++ = strong and long-lasting CH4 formation activity, = no CH4 formation.
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