After examining more than a million data points, Philip Taylor and Alan Townsend have discovered a global relationship between nitrates and organic carbon that is mediated by microbes. Their article is in the April 22 issue of Nature.
Here is a link to a news release of their results and the announcement of the paper:
www.colorado.edu/news/r/5288170c8cfc8a8eeba6e14a2a0868eb.html
Congratulations to both Philip and Alan.