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Table 3 Predicted probabilities for the presence/absence sites using random forest classification. Observed (+) = Salamandra corsica presence site; Observed (−) = Salamandra corsica absence site. Ŷ1 = macro-ecological model; Ŷ2 = mixed model. Datum for all coordinates, WGS84. Elevation, masl

From: Using hierarchical spatial models to assess the occurrence of an island endemism: the case of Salamandra corsica

Locality

Latitude

Longitude

Elevation

Vegetation

Observed

Ŷ1

Ŷ2

Source de Pizzolo

42.07

9.14

1722

Deciduous forest

+

0.999

0.946

Bocca di Sorba

42.14

9.19

1338

Coniferous forest

+

0.978

0.847

Palneca

41.99

9.18

1112

Deciduous forest

+

0.999

0.995

Barrage de l’Ospédale

41.66

9.20

955

Coniferous forest

+

0.988

0.925

Bocca d’Illarata

41.70

9.21

954

Coniferous forest

+

0.949

0.816

Punta di u Diamante

41.69

9.21

953

Coniferous forest

+

0.998

0.891

Bocca di Vizzavona

42.11

9.13

839

Deciduous forest

+

0.999

0.977

Bastelica

41.98

9.04

826

Deciduous forest

+

0.998

0.998

Quenza

41.77

9.13

768

Evergreen forest

+

0.634

0.732

Campodonico

42.38

9.35

711

Deciduous forest

+

1.000

0.974

Muracciole

42.17

9.18

708

Evergreen forest

+

1.000

0.903

Bavella

41.81

9.25

673

Mixed forest

+

0.998

0.969

Perelli

42.32

9.39

644

Deciduous forest

+

0.998

0.954

Venaco

42.23

9.17

636

Deciduous forest

+

1.000

0.961

Casalabriva

41.74

8.93

587

Evergreen forest

+

0.997

0.967

Rivière du Vecchio

42.19

9.16

575

Evergreen forest

+

1.000

0.939

Chidazzu

42.23

8.77

572

Evergreen forest

+

0.986

0.995

Palasca

42.58

9.04

557

Evergreen forest

+

0.989

0.953

Bisene

41.65

9.09

532

Evergreen forest

+

0.870

0.918

Bocca di Sorru

42.17

8.85

499

Evergreen forest

+

1.000

0.856

Levie

41.69

9.13

463

Evergreen forest

+

0.999

0.983

Novale

42.30

9.43

463

Evergreen forest

+

1.000

0.944

Col de Bacinu

41.61

9.16

447

Evergreen forest

+

0.990

0.911

Cauro

41.91

8.92

381

Evergreen forest

+

0.772

0.830

Chiatra

42.28

9.47

350

Evergreen forest

+

0.999

0.993

Chialza

41.65

9.05

344

Evergreen forest

+

0.864

0.912

Zoza

41.73

9.08

317

Evergreen forest

+

0.992

0.926

Lapedina

42.85

9.42

293

Evergreen forest

+

0.983

0.893

Oreta

42.84

9.41

276

Evergreen forest

+

0.959

0.923

Casta

42.66

9.19

256

Maquis

–

0.960

0.567

Moltifao

42.48

9.15

251

Evergreen forest

+

0.385

0.624

Bocca Albitrina

41.60

8.93

240

Evergreen forest

+

0.943

0.536

Girolata

42.34

8.66

215

Maquis

+

0.939

0.669

Porto

42.25

8.67

167

Evergreen forest

+

0.865

0.932

Appietto

42.00

8.73

158

Maquis

+

0.531

0.751

Chiova d’Asinu

41.48

9.24

158

Maquis

−

0.833

0.302

Patrimonio

42.70

9.37

139

Evergreen forest

+

0.437

0.654

Figari

41.47

9.12

99

Maquis

−

0.073

0.185

Oletta

42.61

9.29

99

Maquis

−

0.012

0.206

Cargèse

42.17

8.62

97

Maquis

−

0.152

0.287

Cuo

41.53

9.17

89

Evergreen forest

−

0.005

0.033

Alzone

41.86

8.80

88

Evergreen forest

−

0.017

0.043

Serraggia

41.51

8.94

88

Evergreen forest

−

0.004

0.041

Tizzano

41.55

8.89

88

Maquis

−

0.000

0.006

Pont de Teghia

42.26

9.50

85

Cultivated field

−

0.004

0.038

Prigugio

42.51

8.78

77

Maquis

−

0.007

0.035

Cavallo Morto

41.40

9.17

69

Maquis

−

0.055

0.135

Fossi

41.65

9.32

62

Maquis

−

0.022

0.015

Bartaccia

41.67

8.91

54

Maquis

−

0.000

0.026

Acqua Longa

41.95

8.78

51

Suburban field

−

0.001

0.046

Molini

41.85

8.81

50

Maquis

−

0.017

0.033

Campo al Quarcio

42.14

9.45

34

Cultivated field

−

0.000

0.030

Aristone

42.06

9.44

21

Evergreen forest

−

0.000

0.230

Ghisonaccia

42.02

9.40

21

Cultivated field

−

0.000

0.080

Caramontinu

41.69

9.37

19

Evergreen forest

−

0.000

0.299

Santa Giula

41.53

9.26

17

Maquis

−

0.000

0.006

La Tonnara

41.42

9.10

15

Maquis

−

0.104

0.157

Gurgazu

41.39

9.23

14

Maquis

−

0.085

0.127

Fromontica

42.67

9.28

7

Coastal habitat

−

0.038

0.135

Porto−Vecchio

41.58

9.30

7

Coastal habitat

−

0.000

0.012

Losari

42.62

9.00

6

Cultivated field

−

0.005

0.084

Etang de Biguglia

42.65

9.44

5

Wetland

−

0.005

0.057

Portigliolo

41.64

8.86

4

Coastal habitat

−

0.000

0.032

Sagone

42.11

8.69

4

Cultivated field

−

0.007

0.060

Favalella

41.72

8.84

4

Cultivated field

−

0.019

0.076

Aléria

42.11

9.55

1

Coastal habitat

−

0.064

0.096