La Vallée du Sourou
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2009
212 km²
Commune · BFA
Lanfièra
Burkina Faso
BShArid, steppe, hot(100 %)
Species observed
75
Observations
100
Area
282,2km²
Ecological tissue
Not enough documented interactions to build a meaningful graph for this territory.
Species present
75 distinct species · 100 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
29,0°C
Annual rain
732mm
Warmest m°
40,4°C
Coldest m°
17,4°C
Elevation: 260 m on average (min 252 m, max 286 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
29,0°C
Annual rain
732mm
Warmest month
40,4°C
Coldest month
17,4°C
Mean alt.
260m
Min
252m
Max
286m
Std. dev.
8m
Köppen-Geiger (dominant)
BShArid, steppe, hot(100 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,5
Org. C
10,4g/kg
Clay
31,7%
Sand
42,2%
Silt
26,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Sourou
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
12,7g/kg
Clay
26,9%
Sand
45,8%
Silt
27,4%
5–15 cm
pH H₂O
6,6
Org. C
9,9g/kg
Clay
31,1%
Sand
42,5%
Silt
26,4%
15–30 cm
pH H₂O
6,6
Org. C
8,6g/kg
Clay
37,3%
Sand
38,3%
Silt
24,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.6%
Crops30.7%
Built-up0.6%
Bare soil0.6%
Other (grassland, water…)61.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 3 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
49,0km
Lake surface here
9,31km²
Basins crossed
5
Max stream order
6
Max drainage
31 188km²
Discharge in basins
46,8m³/s
Mean precip.
624mm/an
Mean T°
28,7°C
Moisture idx
-0,69
Mean runoff
33mm/an
Mean elev. (basins)
262m
Watersheds crossing here
Lakes (3, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Built-up
63,4%
Pesticides
1,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN