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Table 4 Model of first quality recruits count

From: Effects of stand features and soil enzyme activity on spontaneous pedunculate oak regeneration in Scots pine dominated stands – implication for forest management

Predictors

First quality recruits count

Incidence rate ratios

std. Error

CI

z Statistic

p-value

(Intercept)

220.56

2.57

1.43–34,031.33

2.10

0.036

Phosphatase.A

0.00

6.99

0.00–0.00

−2.75

0.006

All.crown.m

0.99

0.00

0.99–1.00

−2.59

0.010

Random Effects

 Residual variance

3.64

 Random intercept variance

4.68

 Intraclass correlation coefficient

0.56

 Number of forest stands

13

 Observations

240

 Marginal R2 / Conditional R2

0.420 / 0.746