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Table 3 Simple and partial Mantel tests (100000 permutations) to assess effects of fragmentation variables on spatial patterns of genetic differentiation in Prunus africana populations

From: Genetic structuring of remnant forest patches in an endangered medicinal tree in North-western Ethiopia

Simple Mantel test

Variable

Combined data set

Adults

 

Seedlings

 

P-value

r

P-value

r

P-value

r

 

GD

0.0025

0.5692

0.0003

0.6751

0.0214

0.4286

 

PS

0.9908

-0.4488

0.9207

-0.3299

0.9861

-0.3960

 

ND

0.7387

-0.2068

0.7161

-0.1813

0.9412

-0.4372

Partial Mantel test

       

GD constant

PS

0.9881

-0.4446

0.9146

-0.3229

0.9863

-0.4062

 

ND

0.7132

-0.1955

0.6899

-0.1672

0.9420

-0.4461

PS constant

GD

0.0049

0.5510

0.0006

0.6632

0.0338

0.3887

 

ND

0.6024

-0.1180

0.5613

-0.0675

0.9163

-0.3986

ND constant

GD

0.0018

0.5976

0.0003

0.6886

0.0213

0.4326

 

PS

0.9971

-0.4905

0.9501

-0.3730

0.9872

-0.4005

  1. Note: GD = |pairwise geographical distance between centers of patches|; PS = |pairwise patch size difference|; ND = |pairwise nearest distance difference between edges of patches|.