ECOLOGY:
Getting a Better Picture of the Ocean's Nitrogen Budget
Zbigniew S. Kolber
The most common nitrogen-fixing cyanobacterium in the oceans is more abundant than previously estimated and can therefore account for at least a portion of the apparent oceanic nitrogen deficit.
The author is at the Monterey Bay Aquarium Research Institute, 7700 Sandholdt Road, Moss Landing, CA 95039, USA. E-mail: zkolber{at}mbari.org