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Table 2 Relationship between the number of slugs in gardens and meteorological and ecological factors

From: Occurrence of the invasive Spanish slug in gardens: can a citizen science approach help deciphering underlying factors?

Coefficients

Estimate

Std. error

z value

Pr(> |z|)

Significance

(Intercept)

5.52E+00

8.43E−01

6.541

6.11E−11

***

Sum of the mean daily temperature from the beginning of the year until the day of data collection (smetcy)

− 6.51E−04

1.67E−04

− 3.888

0.000101

***

Number of earthworm casts under the cardboard (worms)

7.71E−02

1.37E−02

5.64

1.70E−08

***

Number of days below 0 °C from the winter before data collection (September to April) (frostwint)

− 8.69E−03

2.22E−03

− 3.91

9.22E−05

***

Applied slug control methods in the previous year and the year of data collection (comc)

8.02E−02

3.37E−02

2.381

0.017267

*

Global radiation on the day of data collection (rad)

− 2.75E−04

4.48E−05

− 6.123

9.17E−10

***

Mean vapour pressure on the day of data collection (mvp)

− 2.85E−02

1.14E−02

− 2.494

0.012639

*

Number of days without precipitation from March to September from the year previous to data collection (drypy)

− 1.66E−02

4.07E−03

− 4.08

4.50E−05

***

Sum of the mean temperature from the year previous to data collection (smetpy)

− 3.91E−04

9.62E−05

− 4.066

4.79E−05

***

Precipitation on the day of data collection (prec)

7.78E−03

3.87E−03

2.012

0.044244

*

Meters above sea level of the samplings site (alt)

− 1.31E−03

3.32E−04

− 3.937

8.27E−05

***

Number of plants in a radius of 2 m around the data collection point (plants)

5.22E−02

7.05E−03

7.404

1.32E−13

***

  1. Relationship between the number of slugs in gardens and meteorological and ecological factors, calculated with a generalized linear model. Abbreviations are explained in Table 1
  2. Significance codes are *** p < 0.001, ** p < 0.01, * p < 0.05