Widespread energy limitation to life in global subseafloor sediments
James A. Bradley, Sandra Arndt, Jan P. Amend, Ewa Burwicz, Andy W. Dale, Matthias Egger, Douglas E. LaRowe
Abstract
watts per cell, respectively. Most subseafloor cells subsist at energy fluxes lower than have previously been shown to support life, calling into question the power limit to life.
Topics & Concepts
Biogeochemical cycleBiosphereEnvironmental scienceSedimentMethanogenesisHeterotrophOrganic matterEnvironmental chemistryPhotic zoneSulfateBiomass (ecology)OceanographyEcologyChemistryBiologyGeologyMethaneBacteriaGeomorphologyPhytoplanktonGeneticsNutrientOrganic chemistryMethane Hydrates and Related PhenomenaAtmospheric and Environmental Gas DynamicsGeology and Paleoclimatology Research