Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Médédjonou
Benin
AwTropical, savannah(100 %)
Species observed
549
Observations
1 715
Area
24,8km²
Ecological tissue
Sample of 46 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 Médédjonou : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 89 interactions GloBI sur 6 types (connectance 5.0%, filtre Serrano α=0.2). 33 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
60
Interactions affichées
89
Connectance
0.050
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
549 distinct species · 1 715 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,5°C
Annual rain
1 348mm
Warmest m°
30,5°C
Coldest m°
23,2°C
Elevation: 10 m on average (min 2 m, max 24 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,5°C
Annual rain
1 348mm
Warmest month
30,5°C
Coldest month
23,2°C
Mean alt.
10m
Min
2m
Max
24m
Std. dev.
5m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical
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
26,7g/kg
Clay
19,0%
Sand
64,5%
Silt
16,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Adjarra
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,8
Org. C
38,5g/kg
Clay
17,9%
Sand
64,8%
Silt
17,2%
5–15 cm
pH H₂O
5,7
Org. C
22,5g/kg
Clay
17,5%
Sand
66,0%
Silt
16,6%
15–30 cm
pH H₂O
5,8
Org. C
19,2g/kg
Clay
21,7%
Sand
62,8%
Silt
15,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest25.8%
Crops7.7%
Built-up5.4%
Bare soil0.3%
Other (grassland, water…)60.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 3 rivers
Hydrology metrics for this exact territory
Stream length here
13,3km
Basins crossed
2
Max stream order
4
Max drainage
6 178km²
Discharge in basins
0,4m³/s
Mean precip.
1 243mm/an
Mean T°
27,2°C
Moisture idx
-0,21
Mean runoff
486mm/an
Mean elev. (basins)
64m
Watersheds crossing here
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
1,1nW
Built-up
538,6%
Pesticides
13,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN V · 1🌊 Marine · 1📍 Point sites · 2
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN