Fig. 1From: Below-ground hydraulic constraints during drought-induced decline in Scots pineSeasonal course of daily-averaged sap flow per unit leaf area (JL) over year 2012 in defoliated (red) and non-defoliated (blue) Scots pine trees. Error bars indicate + 1 SE. Periods selected for the present paper, representative of different seasons, are indicated by vertical barsBack to article page