Sampling zones

Climate

Biome & Soils

Transects

National roads

Sites

GPS coordinates

North-West Sahelian zone

Sahelian

Ferruginous

tropical sandy and Open shrubs, steppes and grasslands

Transect_1

NR_02

Site 01

15.944973, −16.432601

Site 02

15.923849, −16.383260

Site 03

15.8459,−16.2337

Site 04

15.643785, −16.251498

Western Sahelo-sudanian zone

Sahelo-sudanian

Ferruginous tropical sandy, slightly leached and Open shrubs, steppes and grasslands

Transect_2

NR_03

Site 05

15.090473, −16.658762

Site 06

15.385496, −16.441333

Site 07

15.494367, −16.325395

Site 08

15.553947, −16.110582

Site 09

15.506232, −15.964515

Site 10

15.472428, −15.849397

Site 11

15.3975,−15.64238

Site 12

15.386454, −15.096790

Eastern Sahelo-sudanian zone

Ferruginous tropical soils, lithosols, sandy to loamy and leached tropical ferruginous in valleys & Savanna and bush shrubs

Transect_3

NR_03

Site 13

15.213575, −14.460521

Site 14

15.345589, −13.837952

Site 15

15.59054,−13.33853

Site 16

15.113020, −12.955188

Site 17

14.850583, −12.491209

Sudanian zone

Sudanian

Sandy to loamy leached tropical ferruginous soils in the valleys and terraces,loamy and gravelly soils over laterite on plateaus & Wooded savanna

Transect_4

NR_01

Site 18

14.412543, −12.226470

Site 19

14.343767, −12.415628

Site 20

14.233919, −12.639888

Site 21

14.174821, −12.762551

Site 22

13.983926, −13.257062

Site 23

13.799368, −13.872387

Site 24

13.892973, −14.192223