Table 1 Association between number of insects in photos and wind speed, temperature, grass height, time of the year, and time after sunset in Southern Germany in 2020 and 2021.
Variable | Estimate ± SE or edf | z-value or Χ2 | P |
|---|---|---|---|
Parametric terms | |||
Intercept | − 0.57 ± 0.20 | − 2.90 | 0.004 |
Year: 2021 (2020) | 0.06 ± 0.04 | 1.30 | 0.19 |
Location on meadow: middle (edge) | 0.05 ± 0.02 | 2.35 | 0.02 |
Smooth terms | |||
Wind | 3.91 | 448 | < 0.001 |
Temperature | 3.81 | 1488 | < 0.001 |
Grass height | 3.98 | 495 | < 0.001 |
Time of the year | 3.96 | 695 | < 0.001 |
Time after sunset | 3.99 | 4410 | < 0.001 |
Meadow IDa | 8.90 | 732 | < 0.001 |