Table 2 Relationship between insect swarms (more than 10 insects in at least one photo out of 5, taken within 5 min) and the probability of bat buzzing.

From: High temporal resolution data reveal low bat and insect activity over managed meadows in central Europe

Variable

Estimate ± SE or edf

z-value or Χ2

P

Parametric terms

 

 Intercept

− 3.71 ± 0.26

− 14.2

 < 0.001

 Swarming: presence (absence)

− 1.01 ± 1.01

− 1.00

0.32

Smooth terms

 Meadow IDa

4.79

116

 < 0.001

  1. Results of GAM2. Reference levels are presented in parenthesis. aRandom factor. Data from eight meadows could be used in this analysis as two of the ten meadows did not have valid acoustic data.
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