Table 3 Marginality factor (MF) scores and global marginality index for selected aquatic hemipteran families in Africa

Annual precipitation

0.157

0.211

0.04

0.106

0.092

0.038

Mean temperature

-0.486^a

-0.456^a

-0.578^a

-0.558^a

-0.539^a

-0.586^a

Long-term mean LST

-0.417^a

-0.471^a

-0.373^a

-0.453^a

-0.442^a

-0.36^a

Precipitation of driest quarter

0.22

0.212

0.156

0.142

0.194

0.125

Euclidean distance to water bodies in km

-0.117

-0.235

-0.086

-0.124

-0.093

-0.088

Euclidean distance to rivers in km

-0.171

-0.241

-0.157

-0.182

-0.175

-0.159

Flow accumulation

0.027

0.073

0.017

0.018

-0.002

0.026

Temperature of coldest quarter

-0.275

-0.265

-0.435^a

-0.42^a

-0.389^a

-0.45^a

Temperature of warmest quarter

-0.484^a

-0.508^a

-0.468^a

-0.452^a

-0.457^a

-0.464^a

Slope

0.367^a

0.171

0.221

0.128

0.244

0.196

Elevation

0.083

0.062

0.065

0.065

0.003

0.124

Wettest index

-0.148

0.008

-0.084

-0.04

-0.095

-0.069

Explained specialization (%)

42.8

46.8

34

52.5

55.9

36.9

Global marginality

1.172

0.869

1.271

1.179

1.233

1.287