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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