Table 2 Genetic diversity of Warburgia salutaris in the three study areas.

From: The genetic legacy of fragmentation and overexploitation in the threatened medicinal African pepper-bark tree, Warburgia salutaris

Locus

Lebombo Mountains (LM)

Tembe River (TR)

Futi Corridor (FC)

Na

I

Ho

He

PIC

Na

I

Ho

He

PIC

Na

I

Ho

He

PIC

1-N1002135

3

0.809

0.579

0.499

0.499

3

0.840

0.667

0.491

0.491

2

0.340

0.214

0.191

0.191

7-N1082598

7

1.457

0.526

0.672

0.672

9

1.764

0.800

0.758

0.758

8

1.516

0.571

0.671

0.671

10-N1110523

9

1.942

0.895

0.832

0.832

5

1.480

0.733

0.762

0.762

7

1.649

0.929

0.763

0.763

12-N1126672

7

1.716

0.842

0.795

0.795

7

1.739

1.000

0.789

0.789

4

1.061

0.571

0.569

0.569

13-N1132836

2

0.576

0.421

0.388

0.388

2

0.245

0.133

0.124

0.124

2

0.562

0.357

0.375

0.375

16-N1150626

3

0.455

0.158

0.234

0.234

2

0.637

0.667

0.444

0.444

2

0.154

0.071

0.069

0.069

18-N1173706

3

0.942

0.579

0.564

0.564

3

0.680

0.400

0.407

0.407

2

0.469

0.214

0.293

0.293

31-N2284857

14

2.429

0.947

0.895

0.895

9

1.884

0.867

0.816

0.816

6

1.487

0.500

0.727

0.727

33-N3477883

4

0.954

0.526

0.517

0.517

3

0.468

0.267

0.238

0.238

3

1.090

0.857

0.661

0.661

43-N1009973

11

1.980

0.632

0.801

0.810

9

1.827

0.400

0.798

0.798

5

1.438

0.286

0.724

0.724

Average ± SE

6.300 ± 1.274

1.326 ± 0.213

0.611 ± 0.075

0.620 ± 0.068

0.621 ± 0.216

5.200 ± 0.952

1.156 ± 0.203

0.593 ± 0.089

0.563 ± 0.081

0.563 ± 0.256

4.100 ± 0.722

0.977 ± 0.175

0.457 ± 0.089

0.504 ± 0.080

0.504 ± 0.252

  1. Na refers to the number of alleles, I to Shannonʼs diversity index, Ho to observed heterozygosity (mean ± SE), He to expected heterozygosity (mean ± SE) and PIC to polymorphic information content.