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Forest Ecosystems

Table 1 Model of seedlings 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

Seedlings count

Incidence rate ratios

std. Error

CI

z Statistic

p-value

(Intercept)

1.46

0.18

1.04–2.06

2.18

0.029

Raspberry

1.06

0.03

1.01–1.12

2.40

0.016

Fern

0.95

0.02

0.91–0.99

−2.21

0.027

Litter

0.98

0.01

0.97–0.99

−3.14

0.002

Birch.crown.m

1.01

0.00

1.00–1.02

2.04

0.041

Dehydrogenase.A

9.18

0.68

2.40–35.13

3.24

0.001

Zero-Inflated Model

 (Intercept)

0.08

0.89

0.01–0.46

−2.84

0.005

 Bilberry

1.03

0.01

1.01–1.05

2.97

0.003

 Observations

240

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