Table 1 The results of bullfrog spreading for 25 clusters.

From: Assessment of American Bullfrog (Lithobates catesbeianus) spreading in the Republic of Korea using rule learning of elementary cellular automata

Clustering number

Number of presence location

SI

HS

SA

Longitude

Latitude

1

77

3.25

0.331892778

1.078651528

127.99

36.42

2

83

2.87

0.336620682

0.966101357

127.27

36.42

3

267

3.1

0.772864513

2.395879991

128.47

35.36

4

202

1

0.740367631

0.740367631

126.64

35.47

5

168

2.48

0.794083093

1.96932607

126.43

34.58

6

103

1.51

0.594828446

0.898190953

127.2

35.36

7

127

3.25

0.713751758

2.319693214

126.77

36.16

8

125

3.24

0.65006152

2.106199325

128.33

36

9

96

2.08

0.460205108

0.957226626

126.47

36.71

10

58

3.46

0.473968133

1.639929741

128.6

36.33

11

205

1.26

0.791182732

0.996890243

126.46

35.08

12

135

3.25

0.781342992

2.539364724

126.76

35.93

13

98

3.42

0.62174352

2.12636284

128.14

35.4

14

68

2.23

0.634174926

1.414210085

127.36

34.73

15

87

1.35

0.690117529

0.931658665

128.88

35.18

16

113

3.16

0.673967381

2.129736922

127.01

35.78

17

136

2.91

0.701436489

2.041180182

127.91

35.11

18

107

1.1

0.62500829

0.687509118

129.21

35.57

19

70

2.66

0.697356021

1.854967015

126.11

34.73

20

65

2.86

0.6193504

1.771342144

128.88

35.89

21

58

2.14

0.617724528

1.321930491

126.88

34.58

22

30

3.33

0.573416667

1.9094775

129.28

35.99

23

37

2.02

0.3649146

0.737127492

127.81

35.53

24

37

2.21

0.575529162

1.271919448

127.03

34.99

25

65

2.22

0.804474672

1.785933772

126.66

34.98

  1. The final spreading assessment is the spreading intensity multiplied by the habitat suitability estimated by Maxent software 3.4.1. The higher the value, the greater the probability of spreading.
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