Limnology and Oceanography, Vol. 66, No. 9 (September 2021), pp. 3255-3270 (16 pages) Sinking particulate organic matter controls the flux of carbon (C) from the surface ocean to the deep sea.
It has puzzled scientists for years whether and how bacteria, that live from dissolved organic matter in marine waters, can carry out N 2 fixation. It was assumed that the high levels of oxygen ...