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Table 2 Results of the bottleneck analysis and effective population size for the 19 populations of Petrosia ficiformis

From: Genetic diversity, connectivity and gene flow along the distribution of the emblematic Atlanto-Mediterranean sponge Petrosia ficiformis (Haplosclerida, Demospongiae)

Pop.

Ï´

CI 95%

A

Ae

rA

Ho

He

FIS

HWE

Wilcoxon rank test

(2t_SMM)

(2t_TPM)

SMI

0.003

0.0003–0.0048

30

1.938

2.567

0.383

0.403

0.089

**

0.426

0.820

FLO

0.020

0.0054–0.0228

24

1.532

2.123

0.307

0.341

0.156

**

0.301

0.570

MAD

0.085

0.0800–0.0953

38

2.322

3.019

0.393

0.48

0.217

***

0.160

0.922

CAN

0.050

0.036–0.0530

41

3.016

3.888

0.636

0.618

0.045

**

0.432

0.160

CAR

0.084

0.0710–0.0970

49

2.694

3.361

0.579

0.54

−0.052

ns

0.024

0.625

CART

0.092

0.0803–0.0980

47

2.707

4.347

0.586

0.581

0.068

ns

0.014

0.105

BLA

0.093

0.0884–0.0980

81

3.901

4.847

0.681

0.718

0.071

***

0.001

0.084

ULL

0.085

0.0800–0.0976

37

2.233

2.855

0.613

0.503

−0.191

**

0.625

0.625

FEL

0.036

0.0444–0.0601

51

3.262

3.997

0.658

0.624

−0.01

ns

0.625

0.625

ESC

0.003

0.0000–0.0150

40

2.732

3.552

0.627

0.56

−0.065

ns

1.000

0.625

MRS

0.036

0.0102–0.0174

50

2.62

3.922

0.489

0.56

0.173

***

0.003

0.010

NIZ

0.040

0.0438–0.0562

48

2.478

3.563

0.551

0.562

0.057

***

0.005

0.019

LIG

0.018

0.0002–0.0274

60

3.964

4.736

0.509

0.706

0.311

***

0.922

0.193

NAP

0.061

0.0498–0.0845

53

3.342

4.145

0.677

0.682

0.042

ns

0.625

0.032

SLO

0.090

0.0832–0.1000

41

2.919

3.567

0.7

0.633

−0.065

ns

0.322

0.014

SCRO

0.029

0.0060–0.0223

53

2.775

3.804

0.574

0.553

−0.001

ns

0.007

0.105

JECRO

0.096

0.0854–0.1000

55

2.96

4.181

0.548

0.617

0.151

***

0.001

0.084

CRE

0.007

0.0000–0.0133

48

2.822

3.926

0.627

0.556

−0.075

ns

0.014

0.131

ISR

0.007

0.0007–0.0133

77

4.276

4.97

0.778

0.738

−0.028

ns

0.010

1.000

  1. Abbreviations: Pop population, ϴ, Theta; 25–75% confidence intervals for ϴ, Ns number of individuals, A number of alleles, Ae Number of effective alleles, rA number of alleles after rarefaction, Ho observed heterozygosity, He expected heterozygosity, FIS inbreeding coefficient, HWE deviation from Hardy-Weinberg equilibrium, ns not significant; * = p < 0.05; ** = p < 0.01; *** = p < 0.001; TPM, two-phase model; SMM, stepwise-mutation model