Table 2. Linear mixed models for the different variables. Stand values except for age, height, and diameter at breast height (DBH) have been scaled up to one hectare. Disturbing factor, intensity and transect position indicate the fixed effects. All analyses were conducted on larches only. Site codes: LID = Low Intensity Disturbance, RB = River Bank, Log/ID = Logging/Intense Disturbance 1&2, M = Meander 1&2, P = Polygon.
Size class Model AIC_0
– AIC_b
disturbing factor intensity transect position
fire new land water low medium strong south middle1 middle2 north
Mean height (cm) Trees d+(1|S) 17.7 615.5 204.2 –260.1
Mean DBH (cm) Trees T+(1|S) 10.9 2.1 5.2 –0.9 2.0
Mean age Trees d+i+(1|S) 30.5 213.1 21.8 6.5 –158.0 –175.5
Max. age Trees d+i+(1|S) 21.2 386.3 23.9 116.9 –361.2 –341.2
Basal area [m² ha–1] Larch > 1.3 m d+i+(1|S) 33.9 6.0 5.4 –20.1 15.7 14.1
Crown cover (%) Trees d+i+(1|S) 17.4 20.9 24.9 –139.6 136.4 118.7
Total biomass [kg C ha–1] Trees + Saplings d+i+(1|S) 35.0 9613.2 8687.3 –29676.8 24249.5 20068.3
No. alive ha–1 Trees d+i+(1|S) 15.6 1035.7 –2143.8 –6718.4 6552.9 5683.0
Saplings d+i+(1|S) 4.3 2035.7 –496.9 –546.7 –416.8 –1488.8
Seedlings d+i+(1|S) 20.7 5500.0 –384.4 –4184.3 –826.3 –1315.6
No. dead ha–1 Trees d+i+(1|S) 18.7 1071.4 521.8 –78.1 –958.7 –993.3
Saplings d+i+(1|S) 4.5 35.7 75.8 –199.2 198.1 163.5
Stumps T+(1|S) 3.6 1847.7 1847.7 –1740.9 –1847.7
With d = disturbing factor, i = intensity, T = transect position, S = Site (LOG/ID and M pooled into one site).
Bold values: intercept of regression formula.
All calculations conducted on larch only.
AIC of best model compared to the null model.