Fig. 2

Seasonal variations of element concentrations in roots in the oak area (OT: Thinning area, OC: Control area). “*” shows significant differences between areas. O: October, J: January, A: April, Ju: July
Seasonal variations of element concentrations in roots in the oak area (OT: Thinning area, OC: Control area). “*” shows significant differences between areas. O: October, J: January, A: April, Ju: July