Table 3 Linear regression, in which the independent variable is the position of sample plots’ scores along the first DCA axis and dependent variables are plant traits (ecological strategies, life forms, chorotypes, dispersal classes and regeneration strategies) appearing in individual plot

Ecological strategies

 Competitors

− 3,153

9.94

0.154

0.00279

**

 Stress-tolerators

− 2,643

6.99

0.109

0.011

*

 Ruderals

8,301

68.9

0.581

7.76E−11

***

Life forms

 Chamaephytes

− 0.21

0.044

− 0.0199

0.834

-

 Geophytes

− 1.93

5.85

0.055

0.554

-

 Hemikriptophytes

0.359

0.129

− 0.0181

0.721

-

 Phanerophytes

− 1.94

3.77

0.0534

0.0581

-

 Therophytes

5.33

28.46

0.359

2.56E−06

***

Chorotypes

 Mediterranean

2.35

5.53

0.0845

0.0229

*

 Eurasian

− 3863

14.93

0.221

3.35E−04

***

 Boreal

− 2884

8.31

0.1299

0.005861

**

 Cosmopolitic

5699

32.48

0.391

7.19E−07

***

Dispersal classes

 Class 1

4061

16.49

0.2402

1.80E−04

***

 Class 2

0.0407

3.08

0.0407

0.0856

-

 Class 3

− 1,467

2152

0.02297

0.149

-

 Class 4

1,421

2019

0.0204

0.162

-

 Class 5

6392

40.86

0.448

6.30E−08

***

 Class 6

− 3.72

13.84

0.207

0.000521

***

Regenerations traits

 Resprouting capacity after fire

0.151

0.0229

− 0.0203

0.88

-

 Post-fire seedling emergence

7956

63.31

0.56

2.56E−07

***

F, statistics of the test; AdjR2, adjusted R2; significance of p value in the interval: ***0.001, **0.01, *0.05