Hellmann, C; Große-Stoltenberg, A; Lauströer, V; Oldeland, J; Werner, C: Retrieving nitrogen isotopic signatures from fresh leaf reflectance spectra: disentangling δ15N from biochemical and structural leaf properties, Frontiers Plant Science (2015), doi:10.3389/fpls.2015.00307 |
Rascher, K; Hellmann, C; Máguas, C; Werner, C: Community scale 15N isoscapes: tracing the spatial impact of an exotic N2-fixing invader., Ecology Letters, 15, 484-491 (2012), doi:10.1111/j.1461-0248.2012.01761.x |
Hellmann, C; Sutter, R; Rascher, K; Máguas, C; Correia, O; Werner, C: Influence of an exotic N2-fixing Acacia on community composition and N status of native Mediterranean species., Acta Oecologia, 37, 43-50 (2011), doi:10.1016/j.actao.2010.11.005 |