Zone Humide du Moyen Niger II
IUCN IVWetland of International Importance (Ramsar Site) · 2004
386 km²
Commune · BEN
Malanville
Benin
AwTropical, savannah(55 %)
Species observed
881
Observations
2 511
Area
166,8km²
Ecological tissue
Sample of 18 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 Malanville : 17 espèces reliées par 14 interactions GloBI sur 2 types (connectance 9.2%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
18
Interactions affichées
14
Connectance
0.091
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
881 distinct species · 2 511 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
29,2°C
Annual rain
819mm
Warmest m°
40,9°C
Coldest m°
18,3°C
Elevation: 169 m on average (min 157 m, max 206 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
29,2°C
Annual rain
819mm
Warmest month
40,9°C
Coldest month
18,3°C
Mean alt.
169m
Min
157m
Max
206m
Std. dev.
13m
Köppen-Geiger (dominant)
AwTropical, savannah(55 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
5,9
Org. C
10,2g/kg
Clay
22,0%
Sand
53,6%
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
5,9
Org. C
12,6g/kg
Clay
19,4%
Sand
55,8%
Silt
24,9%
5–15 cm
pH H₂O
5,9
Org. C
10,4g/kg
Clay
19,9%
Sand
55,0%
Silt
25,1%
15–30 cm
pH H₂O
5,9
Org. C
7,4g/kg
Clay
26,6%
Sand
50,1%
Silt
23,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest5.9%
Crops42.5%
Built-up1.7%
Bare soil1.5%
Other (grassland, water…)48.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 2 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
38,4km
Lake surface here
0,27km²
Basins crossed
3
Max stream order
8
Max drainage
1 280 658km²
Discharge in basins
148,2m³/s
Mean precip.
881mm/an
Mean T°
28,8°C
Moisture idx
-0,55
Mean runoff
103mm/an
Mean elev. (basins)
197m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (3, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
6hab/km²
Night light
0,3nW
Built-up
167,0%
Pesticides
12,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN IV · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN