矢野さん!
Nitrogen dynamics in arctic tundra soils of varying age: differential responses to fertilization and warming
Yuriko Yano, Gaius R. Shaver, Edward B. Rastetter, Anne E. Giblin, James A. Laundre
Oecologia
http://link.springer.com/article/10.1007/s00442-013-2733-5
まずはメイルをしてみましたであります!