TABLE 1.

Geochemical characterization of Hydrate Ridge and Black Sea stations and abundance of ANME-2a/DSS and ANME-2c/DSS aggregatesa

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  • a The diagram of the chemosynthetic communities at Hydrate Ridge is from reference 65. The numbers in parentheses are references.

  • b Shipboard measurement.

  • c ND, not determined.

  • d The units are micromoles per gram (dry weight) per day.

  • e SRR, sulfate reduction rate.