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Does exceeding the critical loads for nitrogen alter nitrate leaching, the nutrient status of trees and their crown condition at Swiss Long-term Forest Ecosystem Research (LWF) sites?

Thimonier, Anne ; Graf Pannatier, Elisabeth ; Schmitt, Maria ; Waldner, Peter ; Walthert, Lorenz ; Schleppi, Patrick ; Dobbertin, Matthias ; Kräuchi, Norbert

In: European Journal of Forest Research, 2010, vol. 129, no. 3, p. 443-461