Skip to main content

Table 2 Results of marginal test of relationship between regeneration parameters and environmental variables

From: Understanding long-term post-fire regeneration of a fire-resistant pine species

Variable

Seed

Germination

Mortality

Germination rate

Density

Turnover

Pseudo-F

p

Pseudo-F

p

Pseudo-F

p

Pseudo-F

p

Pseudo-F

p

Pseudo-F

p

Fire age

0.151

0.706

1.858

0.194

0.170

0.697

0.001

0.967

0.053

0.807

0.282

0.597

Elevation

19.956

0.001*

0.554

0.448

5.807

0.023*

0.046

0.814

2.672

0.096

3.492

0.066

Precipitation

13.275

0.003*

0.983

0.334

3.195

0.105

0.373

0.564

3.119

0.092

1.464

0.247

Slope

0.083

0.764

0.493

0.484

1.435

0.237

0.780

0.389

1.607

0.225

0.821

0.344

Canopy cover

0.138

0.713

0.899

0.369

1.684

0.202

1.405

0.261

6.890

0.017*

1.845

0.202

Canopy height

2.127

0.142

2.717

0.124

2.864

0.118

0.020

0.886

1.411

0.253

1.818

0.208

Adult density

14.024

0.001*

3.432

0.079

2.127

0.173

0.016

0.896

1.036

0.367

2.317

0.132

DBH

5.191

0.020*

5.420

0.030*

7.840

0.004*

0.859

0.356

5.936

0.026*

3.211

0.078

Basal area

1.008

0.343

0.015

0.903

0.069

0.778

1.220

0.275

0.102

0.739

2.587

0.132

Litter depth

2.921

0.098

0.096

0.762

0.000

0.985

0.035

0.838

0.022

0.887

0.726

0.414

Litter weight

3.072

0.107

0.000

0.986

0.313

0.568

0.004

0.949

0.407

0.509

0.011

0.922

N avalaible

0.881

0.380

7.200

0.018*

0.406

0.489

0.117

0.744

2.087

0.152

0.083

0.782

P available

0.933

0.329

3.472

0.083

0.507

0.474

0.883

0.387

1.508

0.247

1.923

0.167

  1. *p < 0.05, significant relationships