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Table 1 Excluded and selected environmental predictor variables for the environmental niche model

From: Evaluating the risk for Usutu virus circulation in Europe: comparison of environmental niche models and epidemiological models

Abbreviation

Variables

Excluded—monthly minima and maxima are not suitable to estimate daily fluctuations

 BIO2

Mean diurnal range (mean of monthly (max temp − min temp))

 BIO3

Isothermality (BIO2/BIO7) × 100

Excluded—summer and winter precipitation are important to distinguish for mosquitoes and disease transmission dynamics

 BIO12

Annual precipitation

Excluded—wettest/driest time of the year can be in different seasons across Europe

 BIO8

Mean temperature of wettest quarter

 BIO9

Mean temperature of driest quarter

 BIO13

Precipitation of wettest month

 BIO14

Precipitation of driest month

 BIO16

Precipitation of wettest quarter

 BIO17

Precipitation of driest quarter

Excluded by Jackknife

 BIO4

Temperature seasonality (standard deviation × 100)

 BIO5

Maximum temperature of warmest month

 BIO7

Temperature annual range (BIO5–BIO6)

 BIO10

Mean temperature of warmest quarter

 BIO19

Precipitation of coldest quarter

Model input

 BIO1

Annual mean temperature

 BIO6

Minimum temperature of coldest month

 BIO11

Mean temperature of coldest quarter

 BIO15

Precipitation seasonality (coefficient of variation)

 BIO18

Precipitation of warmest quarter