Improving models of forest nutrient export with equations that predict the nutrient concentration of tree compartments Laurent Augusto, Céline Meredieu, Didier Bert, Pierre Trichet, Annabel Porté, Alexandre Bosc, Frédéric Lagane, Denis Loustau, Sylvain Pellerin, Frédéric Danjon, Jacques Ranger and Jacques GelpeAnn. For. Sci., 65 8 (2008) 808DOI: https://doi.org/10.1051/forest:2008059