. Ecological study of the Amoco Cadiz oil spill : report of the NOAA-CNEXO Joint Scientific Commission. Amoco Cadiz (Ship); Oil spills; Oil spills. POLYMERIC ORGANIC MATTER fermentingIbacteria METHANE-PRODUCING BACTERIA. CH4 * C02 SULFATE-REDUCING BACTERIA C02 + H2S Figure 1. Simple model for anaerobic microbial food chains in marine sediments. The model does not include minor electron sink fermentation products or other possible anaerobic groups such as denitrifying bacteria. The asterisk indicates the major product from the methyl position of acetate. only been confirmed in this and other re
. Ecological study of the Amoco Cadiz oil spill : report of the NOAA-CNEXO Joint Scientific Commission. Amoco Cadiz (Ship); Oil spills; Oil spills. POLYMERIC ORGANIC MATTER fermentingIbacteria METHANE-PRODUCING BACTERIA. CH4 * C02 SULFATE-REDUCING BACTERIA C02 + H2S Figure 1. Simple model for anaerobic microbial food chains in marine sediments. The model does not include minor electron sink fermentation products or other possible anaerobic groups such as denitrifying bacteria. The asterisk indicates the major product from the methyl position of acetate. only been confirmed in this and other recent studies (Winfrey and Ward, submitted; S^rensen, et al, 1981; Banat and Nedwell, personal communi- cation). Sulfate-reducing and methane-producing bacteria share the potential to utilize these fermentation products and may compete in marine sediments. Detailed investigations to characterize anaerobic processes in Brittany sediments were made as a part of this study, but discussion here is beyond the scope of this report. In summary, meth- anogenesis is only significant in the competition for acetate and H~ in sediments where sulfate is depleted (, deep subtidal sediments, Winfrey, et al, in press). In intertidal sediments where sulfate is high at all depths (see below), methanogenic bacteria may be restricted 160. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original NOAA-CNEXO Joint Scientific Commission. [Rockville, Md. ] : U. S. Dept. of Commerce, National Oceanic and Atmospheric Administration ; [Paris] : Centre national pour l'exploitation des océans
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