W-Arly-Pendjari Complex
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 1996
17 464 km²
Commune · NER
Birni Ngaoure
Niger
BShArid, steppe, hot(100 %)
Species observed
288
Observations
928
Area
3 783,4km²
Ecological tissue
Sample of 39 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.
ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Birni Ngaoure : 32 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 4 types (connectance 5.8%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
39
Interactions affichées
43
Connectance
0.058
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
288 distinct species · 928 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
29,0°C
Annual rain
584mm
Warmest m°
40,5°C
Coldest m°
16,5°C
Elevation: 213 m on average (min 162 m, max 256 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
29,0°C
Annual rain
584mm
Warmest month
40,5°C
Coldest month
16,5°C
Mean alt.
213m
Min
162m
Max
256m
Std. dev.
26m
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
5,7
Org. C
4,4g/kg
Clay
14,4%
Sand
71,4%
Silt
14,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Boboye
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,8
Org. C
5,5g/kg
Clay
13,3%
Sand
72,3%
Silt
14,4%
5–15 cm
pH H₂O
5,7
Org. C
4,4g/kg
Clay
13,6%
Sand
72,2%
Silt
14,2%
15–30 cm
pH H₂O
5,7
Org. C
3,4g/kg
Clay
16,2%
Sand
69,8%
Silt
13,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest5.4%
Crops32.5%
Built-up0.2%
Bare soil3.9%
Other (grassland, water…)57.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology17 basins · 0 lakes · 6 rivers
Hydrology metrics for this exact territory
Stream length here
286,7km
Basins crossed
17
Max stream order
8
Max drainage
1 248 381km²
Discharge in basins
1 641,9m³/s
Mean precip.
581mm/an
Mean T°
29,0°C
Moisture idx
-0,72
Mean runoff
70mm/an
Mean elev. (basins)
220m
Watersheds crossing here
- Bassin de Dallol Bossosub-area1 444,5 km²overlap1297.39 km²34%
- Bassin de Dallol Bossosub-area614,7 km²overlap508.70 km²13%
- Bassin de Dallol Bossosub-area503 km²overlap328.99 km²9%
- Bassin de ruisseauxsub-area415,1 km²overlap249.47 km²7%
- Bassin de ruisseausub-area299,9 km²overlap244.69 km²6%
- Basin #92630sub-area844,5 km²overlap240.93 km²6%
- Bassin de Nigersub-area774,3 km²overlap227.41 km²6%
- Bassin de Dallol Bossosub-area1 755,1 km²overlap186.93 km²5%
- Bassin de Dallol Bossosub-area161,4 km²overlap160.76 km²4%
8 more basinssorted by overlap
- Basin #93360sub-area434,2 km²overlap145.54 km²4%
- Bassin du Nigersub-area337,4 km²overlap144.64 km²4%
- Bassin de Dallol Bossosub-area28,2 km²overlap13.25 km²0%
- Bassin du Nigersub-area232,6 km²overlap10.52 km²0%
- Bassin du Nigersub-area30,5 km²overlap10.08 km²0%
- Basin #93500sub-area8,8 km²overlap8.72 km²0%
- Bassin du Nigersub-area301,1 km²overlap4.22 km²0%
- Bassin du Nigersub-area282,5 km²overlap1.15 km²0%
Rivers / streams (6, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,0nW
Built-up
24,4%
Pesticides
0,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas6
IUCN Not Applicable · 2IUCN IV · 2IUCN II · 1IUCN Ia · 1
W Parks Regional Complex
IUCN IIRegional Park · 2002
10 420 km²
Dallol Bosso
IUCN IVWetland of International Importance (Ramsar Site) · 2004
8 921 km²
Dosso
IUCN IVPartial Fauna Reserve · 1962
5 423 km²
Parc national du W
IUCN IaWetland of International Importance (Ramsar Site) · 1987
3 851 km²
W Region
IUCN Not ApplicableUNESCO-MAB Biosphere Reserve · 1996
2 197 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN