Fig. 4From: Using forest gap models and experimental data to explore long-term effects of tree diversity on the productivity of mixed planted forestsMean tree height in mixed stands observed in the ORPHEE experiment (right panels) and simulated by ForCEEPS (left panels), at the high (upper panels: 1500 or 1250 stems/ha) and low (lower panels: 750 or 833 stems/ha) density. For each year, each density, and each species, the difference was not significant between observations and simulations, except for pines at the last yearBack to article page