title: Elusive marine nitrogen fixation.
authors.affiliation: Environmental Physics, Institute of Biogeochemistry and Pollutant Dynamics, Eidgenössiche Technische Hochschule Zurich, Zurich 8092, Switzerland nicolas.gruber@env.ethz.ch.
authors.forename: Nicolas
authors.initials: N
authors.lastname: Gruber
mesh_terms: D009586:Nitrogen Fixation; D009792:Oceans and Seas