Table 1 Codes of climatic variables developed by Hijmans et al.41.

From: Niche conservatism and evolution of climatic tolerance in the Neotropical orchid genera Sobralia and Brasolia (Orchidaceae)

Code

Description

bio1

Annual mean temperature

bio2

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

bio3

Isothermality (bio2/bio7) * 100

bio4

Temperature seasonality (standard deviation * 100)

bio5

Max temperature of warmest month

bio6

Min temperature of coldest month

bio7

Temperature annual range (bio5–bio6)

bio8

Mean temperature of wettest quarter

bio9

Mean temperature of driest quarter

bio10

Mean temperature of warmest quarter

bio11

Mean temperature of coldest quarter

bio12

Annual precipitation

bio13

Precipitation of wettest month

bio14

Precipitation of driest month

bio15

Precipitation seasonality (coefficient of variation)

bio16

Precipitation of wettest quarter

bio17

Precipitation of driest quarter

bio18

Precipitation of warmest quarter

bio19

Precipitation of coldest quarter