Table 1 The effect of latitude, altitude and the average forest age on the number of trees infected by wood boring beetles (Ips spp., Cerambycidae, Buprestidae) and fungi.

From: Wood ants as biological control of the forest pest beetles Ips spp.

Pest groups

Latitude

Altitude

Forest age

z

p

z

p

z

p

Ips spp.

 − 0.10

0.480

    0.28

0.777

    0.09

0.926

Cerambycidae

    0.34

0.735

    0.24

0.808

 − 0.26

0.795

Buprestidae

    0.38

0.703

    0.22

0.825

 − 0.30

0.762

Fungi

 − 0.34

0.737

 − 0.03

0.970

    0.14

0.890

  1. The results are based on the GLMM models (negative binomial error distribution, maximum-likelihood fit).
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