Table 1 L. brevirostris α samples (N=593) used in this study

From: One species for one island? Unexpected diversity and weak connectivity in a widely distributed tropical hydrozoan

Marine Province

Ecoregion

Island

Site name

Population

Latitude

Longitude

N

NMLG

R

HO

HE

FIS

Ar(26)

Ap(26)

WIO

Mascarene Islands

Reunion Island

Cap La Houssaye

RUN1

−21.01766

55.23836

56

36

0.636

0.374

0.416

0.104*

2.919 ±0.142

0.009 ±0.009

   

Passe de l'Ermitage

RUN2

−21.08659

55.22065

36

13

0.342

0.344

0.447

0.238**

2.753 ±0.231

0.148 ±0.085

   

Saint Leu

RUN3

−21.18419

55.28418

57

42

0.732

0.438

0.488

0.104**

3.322 ±0.277

0.011 ±0.007

   

Manapany

RUN4

−21.37500

55.58358

35

23

0.647

0.354

0.477

0.263*

3.073 ±0.463

0.121 ±0.112

  

Rodrigues

Petits Patés

ROD1

−19.65386

63.41501

46

13

0.266

0.452

0.475

0.051***

3.086 ±0.602

0.237 ±0.130

   

Ilot Cocos

ROD2

−19.74016

63.28660

46

11

0.222

0.331

0.433

0.238***

2.933 ±0.611

0.161 ±0.102

 

Western/Northern Madagascar

Juan de Nova Island

Juan 2

JUA1

−16.95337

42.76011

41

34

0.825

0.489

0.636

0.235***

4.472 ±0.565

0.200 ±0.102

   

Juan 6

JUA2

−17.08177

42.72536

52

39

0.745

0.545

0.661

0.177***

5.051 ±0.638

0.144 ±0.083

   

P7

JUA3

−17.03280

42.73580

43

36

0.833

0.462

0.647

0.290***

5.292 ±0.567

0.313 ±0.139

   

Biodiv 7

JUA4

−17.07470

42.76650

33

25

0.750

0.572

0.707

0.194***

5.600 ±0.510

0.220 ±0.105

  

Madagascar

Anakao

MAD1

−23.66586

43.59985

45

27

0.590

0.395

0.472

0.166***

3.978 ±0.631

0.129 ±0.055

   

Ifaty

MAD2

−23.19096

43.58291

26

18

0.680

0.350

0.526

0.341***

4.087 ±0.681

0.068 ±0.054

   

Tuléar

MAD3

−23.40370

43.63818

46

24

0.511

0.363

0.512

0.294***

3.723 ±0.555

0.189 ±0.109

TSP

New Caledonia

Maré

Sud Cap Coster

NCA1

−21.48673

168.11940

31

31

1

0.454

0.592

0.239***

4.291 ±0.632

1.691 ±0.393

  

Grande Terre

Népoui

NCA2

−21.41855

164.96713

10

10

1

0.433

0.592

0.177***

  
   

Kouma

NCA3

−20.81090

164.30625

6

6

1

0.509

0.608

0.280***

  
  1. Abbreviations: MLG, multi-locus genotype; NMLG, number of unique MLG; NS, non-significant; TSP, Tropical Southwestern Pacific; WIO, Western Indian Ocean.
  2. For each population are given: total sample size (N), NMLG, clonal richness R=[(NMLG−1)/(N−1)], observed (HO) and expected (HE) heterozygosities, inbreeding coefficient (FIS), allelic richness Ar(26)±s.e. and private allelic richness Ap(26)±s.e. GPS coordinates of sampling sites are in decimal degrees. HO, HE and FIS were calculated keeping one representative per MLG per population. With the FIS, is indicated the test significance for deviation to Hardy–Weinberg equilibrium: *P<0.05, **P<0.01 and ***P<0.001.
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