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Table 2 The output of highest contribution and importance values of environmental variables in creating the present MaxEnt distribution models for 14 species using 19 variables

From: Modelling present and future global distributions of razor clams (Bivalvia: Solenidae)

Solen species

Training records

Contribution

Permutation importance

Highest

Rate (%)

Highest

Rate (%)

aureomaculatus

15

Wave height

22.8

Depth

32.2

canaliculatus

12

SST mean

19.0

Land distance

39.2

fonesii

50

Wave height

22.2

Calcite

28.7

grandis

24

SST range

53.2

Land distance

56.7

kajiyamai

12

Dissolved oxygen

29.6

Depth

56.1

marginatus

126

Land distance

42.8

Calcite

34.5

roseomaculatus

35

Wave height

33.6

Land distance

84.7

sicarius

30

Land distance

60.9

Depth

67.4

sloanii

15

Land distance

60.9

Depth

67.4

strictus

17

Land distance

28.0

Depth

46.4

thuelchus

12

Wave height

25.1

Land distance

52.0

vagina

10

Land distance

28.4

Calcite

21.6

vaginoides

85

Depth

24.4

Calcite

38.5

viridis

33

Wave height

29.3

Land distance

33.2

  1. Values are normalized to give percentages. The average AUC of training data was from 0.97 to 1 from the ten model runs, with little variation between runs indicating a good model fit