PT Journal AU Schiefer, F Schmidtlein, S Kattenborn, T TI The retrieval of plant functional traits from canopy spectra through RTM-inversions and statistical models are both critically affected by plant phenology SO Ecological indicators PY 2021 BP Art. EP Nr.: VL 121 DI 10.1016/j.ecolind.2020.107062 LA english ER