あげとくか，，，
A positive relationship between the abundance of ammonia oxidizing archaea and natural abundance δ15N of ecosystems
Karen Adair, Steven J. Blazewicz, Bruce A. Hungate, Stephen C. Hart, Paul Dijkstra, Egbert Schwartz
In Press, Uncorrected Proof, Available online 18 June 2013
http://www.sciencedirect.com/science/article/pii/S003807171300196X
ちょ，ちょっとー！
とにかく考えさせられることは確かだが。。。。
