Table 2 Variables considered to characterize habitat of aquatic hemipteran families in Africa

Annual cumulative precipitation^a

WorldClim [27]

Maximum temperature

Mean temperature^a

Minimum temperature

Mean temperature of coldest quarter

Mean temperature of warmest quarter

Precipitation of driest quarter^a

Precipitation of wettest quarter

Potential evapo-transpiration

CGIAR-CSI [29]

Aridity index

Elevation^a

Slope^a

Derived from elevation

Flow accumulation^a

Derived from slope

Topographic wetness index^a

Derived from slope and flow accumulation

Distance to rivers^a

Digital Global Chart [32]

Distance to water-bodies^a

Global Water Body Chart -WWF [31]

Land surface temperature (LST)^a

AfSIS [36]

Enhanced vegetation index (EVI)

Major land cover (forest, agriculture, shrubland-grassland)^a

Global Land Cover 2000 [34]