Site Ramsar du Complexe W
IUCN IIWetland of International Importance (Ramsar Site) · 2007
9 269 km²
Commune · BEN
Birni-Lafia
Benin
BShArid, steppe, hot(100 %)
Species observed
166
Observations
480
Area
162,6km²
Ecological tissue
Sample of 30 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-Lafia : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 46 interactions GloBI sur 4 types (connectance 10.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
30
Interactions affichées
46
Connectance
0.106
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
166 distinct species · 480 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
29,3°C
Annual rain
748mm
Warmest m°
41,0°C
Coldest m°
18,3°C
Elevation: 168 m on average (min 159 m, max 200 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
29,3°C
Annual rain
748mm
Warmest month
41,0°C
Coldest month
18,3°C
Mean alt.
168m
Min
159m
Max
200m
Std. dev.
7m
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
5,8
Org. C
9,0g/kg
Clay
23,8%
Sand
51,2%
Silt
25,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Karimama
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,8
Org. C
11,0g/kg
Clay
21,3%
Sand
53,2%
Silt
25,5%
5–15 cm
pH H₂O
5,8
Org. C
9,2g/kg
Clay
23,0%
Sand
51,8%
Silt
25,3%
15–30 cm
pH H₂O
5,7
Org. C
6,9g/kg
Clay
27,2%
Sand
48,7%
Silt
24,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.5%
Crops42.8%
Built-up0.3%
Bare soil1.0%
Other (grassland, water…)49.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 2 lakes · 4 rivers
Hydrology metrics for this exact territory
Stream length here
30,2km
Lake surface here
0,29km²
Basins crossed
2
Max stream order
5
Max drainage
1 252 305km²
Discharge in basins
197,2m³/s
Mean precip.
754mm/an
Mean T°
28,9°C
Moisture idx
-0,62
Mean runoff
83mm/an
Mean elev. (basins)
193m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (4, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Built-up
34,9%
Pesticides
9,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas4
IUCN IV · 2IUCN II · 1IUCN Ib · 1
Dosso
IUCN IVPartial Fauna Reserve · 1962
5 423 km²
Zone humide du moyen Niger
IUCN IbWetland of International Importance (Ramsar Site) · 2001
523 km²
Zone Humide du Moyen Niger II
IUCN IVWetland of International Importance (Ramsar Site) · 2004
386 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN