. 2016 Apr 28;11(4):e0154687. doi: 10.1371/journal.pone.0154687

Table 1. Number of harvested and ¹³CO₂ pulse-labelled trees during the seasons in two years for two clipping treatments and three ¹³CO₂ labelling seasons.

Treatments are 'Control' = unclipped trees, and 'Clipped' = clipped trees.

Treatment	¹³CO₂ labelling season	Harvesting season				Sum of trees
Treatment	¹³CO₂ labelling season	Spring	Summer	Autumn	Spring+1 yr	Sum of trees
Control	Spring	4	4	4	1	13
	Summer	-	4	4	2	10
	Autumn	-	-	4	2	6
	Sum of trees	4	8	12	5	29
Clipped	Spring	4	4	4	3	15
	Summer	-	4	4	2	10
	Autumn	-	-	4	2	6
	Sum of trees	4	8	12	7	31

Table 1. Number of harvested and 13CO2 pulse-labelled trees during the seasons in two years for two clipping treatments and three 13CO2 labelling seasons.