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Table 4 Relationships between genetic and morphological diversity of Pericallis and geographic distance (metres) and PC1 and PC2 of the principle coordinate analysis of bioclimatic data using distance-based redundancy analyses. Left: full tests of individual sets. Right: partial tests

From: Why do different oceanic archipelagos harbour contrasting levels of species diversity? The macaronesian endemic genus Pericallis (Asteraceae) provides insight into explaining the ‘Azores diversity Enigma’

Marginal tests

Partial tests (geographic distance)

Canaries: Euclidean distance matrix (AFLPs)

 Variable

F

P

Variance

Variable

F

P

Variance

 Distance

1.14

0.005**

     

 Climate PC1

0.906

0.009**

0.906

Climate PC1

1.0263

0.385

0.589

 Climate PC2

0.711

0.124

0.711

Climate PC2

0.9573

0.544

0.549

Canaries: Morphology distance matrix

 Variable

F

P

Variance

Variable

F

P

Variance

 Distance

3.234

0.005**

     

 Climate PC1

6.495

0.002**

0.5239

Climate PC1

1.1738

0.276

0.047

 Climate PC2

3.357

0.004**

0.1679

Climate PC2

0.8745

0.544

0.035

Azores: Euclidean distance matrix (AFLPs)

 Variable

F

P

Variance

Variable

F

P

Variance

 Distance

4.913

0.005**

     

 Climate PC1

4.886

0.002**

1.5171

Climate PC1

0.339

0.188

1.14

 Climate PC2

3.285

0.002**

1.0201

Climate PC2

0.288

0.534

0.97

Azores: Morphology distance matrix

 Variable

F

P

Variance

Variable

F

P

Variance

 Distance

1.055

0.568

     

 Climate PC1

0.103

0.094‘

1.7331

Climate PC1

0.1606

0.006**

3.072

 Climate PC2

0.161

0.008**

2.7107

Climate PC2

0.1537

0.008**

2.941

  1. Significance: *** 0.001, ** 0.01, * 0.05, ‘0.1