TABLE 1.

Sample origin and environmental data

Location and sample typeSampleCore depth (cm)Water depth (m)Coordinates (°N, °W)Description
Eel RiverT2014-755040.48, 124.36Clam patch, high CH4 fosmid library
GZfos
Monterey Canyon
    SeepF17.10-2595536.77, 122.08Clam patch, high CH4
    NonseepC4.1AMIS microcosma
Blake RidgePC26762,70731.53, 75.45Hemipelagic sediment
  • a AMIS microcosm cultured from nonseep reference core collected at least 25 m away from any known seep site.