Cernusak, Lucas A Plant delta 15N correlates with the transpiration efficiency of nitrogen acquisition in tropical trees. [electronic resource] - Plant physiology Nov 2009 - 1667-76 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1532-2548 Standard No.: 10.1104/pp.109.145870 doi Subjects--Topical Terms: Models, BiologicalNitrates--metabolismNitrogen--metabolismNitrogen Isotopes--metabolismPlant Roots--metabolismPlant TranspirationQuaternary Ammonium Compounds--metabolismRegression AnalysisSoil--analysisTrees--metabolismTropical Climate