W-Arly-Pendjari Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 1996
17 464 km²
Commune · BEN
Toumbouctou
Benin
BShArid, steppe, hot(60 %)
Species observed
1 234
Observations
6 797
Area
610,7km²
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Species present
1 234 distinct species · 6 797 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
29,2°C
Annual rain
806mm
Warmest m°
40,9°C
Coldest m°
18,3°C
Elevation: 193 m on average (min 158 m, max 230 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
29,2°C
Annual rain
806mm
Warmest month
40,9°C
Coldest month
18,3°C
Mean alt.
193m
Min
158m
Max
230m
Std. dev.
17m
Köppen-Geiger (dominant)
BShArid, steppe, hot(60 %)Arid
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,0
Org. C
9,0g/kg
Clay
20,7%
Sand
54,9%
Silt
24,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Malanville
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
11,3g/kg
Clay
17,5%
Sand
57,6%
Silt
24,9%
5–15 cm
pH H₂O
6,0
Org. C
9,3g/kg
Clay
19,5%
Sand
55,7%
Silt
24,8%
15–30 cm
pH H₂O
6,0
Org. C
6,3g/kg
Clay
25,2%
Sand
51,5%
Silt
23,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.0%
Crops39.1%
Built-up0.1%
Bare soil0.7%
Other (grassland, water…)54.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 4 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
78,8km
Lake surface here
0,54km²
Basins crossed
7
Max stream order
8
Max drainage
1 280 658km²
Discharge in basins
328,1m³/s
Mean precip.
816mm/an
Mean T°
28,7°C
Moisture idx
-0,59
Mean runoff
87mm/an
Mean elev. (basins)
204m
Watersheds crossing here
- Bassin de Aliborisub-area649,1 km²overlap350.44 km²57%
- Bassin de Aliborisub-area1 513,4 km²overlap158.31 km²26%
- Bassin du Nigersub-area287,9 km²overlap88.20 km²14%
- Bassin de Sotasub-area464,5 km²overlap10.54 km²2%
- Bassin de Pakosub-area1 592,6 km²overlap2.50 km²0%
- Bassin du Nigersub-area411,5 km²overlap0.71 km²0%
- Bassin du Nigersub-area506,7 km²overlap0.03 km²0%
Lakes (4, top by area)
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
0hab/km²
Night light
0,0nW
Built-up
9,7%
Pesticides
11,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas7
IUCN II · 3IUCN IV · 2IUCN Not Applicable · 1IUCN VI · 1
W Parks Regional Complex
IUCN IIRegional Park · 2002
10 420 km²
Site Ramsar du Complexe W
IUCN IIWetland of International Importance (Ramsar Site) · 2007
9 269 km²
W (Benin)
IUCN IINational Park · 1954
5 784 km²
Dosso
IUCN IVPartial Fauna Reserve · 1962
5 423 km²
Djona
IUCN VIHunting Zone · 1980
1 187 km²
Complete list7 protected areas
- W-Arly-Pendjari ComplexWorld Heritage Site (natural or mixed)IUCN Not Applicable199617 464 km²
- W Parks Regional ComplexRegional ParkIUCN II200210 420 km²
- Site Ramsar du Complexe WWetland of International Importance (Ramsar Site)IUCN II20079 269 km²
- W (Benin)National ParkIUCN II19545 784 km²
- DossoPartial Fauna ReserveIUCN IV19625 423 km²
- DjonaHunting ZoneIUCN VI19801 187 km²
- Zone Humide du Moyen Niger IIWetland of International Importance (Ramsar Site)IUCN IV2004386 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN