Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Ouédo
Benin
AwTropical, savannah(100 %)
Species observed
281
Observations
1 799
Area
36,1km²
Ecological tissue
Sample of 25 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 Ouédo : 24 espèces reliées par 20 interactions GloBI sur 4 types (connectance 6.7%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
25
Interactions affichées
20
Connectance
0.067
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
281 distinct species · 1 799 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,6°C
Annual rain
1 217mm
Warmest m°
30,8°C
Coldest m°
23,0°C
Elevation: 26 m on average (min 6 m, max 37 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,6°C
Annual rain
1 217mm
Warmest month
30,8°C
Coldest month
23,0°C
Mean alt.
26m
Min
6m
Max
37m
Std. dev.
7m
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
23,6g/kg
Clay
17,4%
Sand
71,5%
Silt
11,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Abomey-Calavi
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,8
Org. C
37,2g/kg
Clay
17,3%
Sand
71,3%
Silt
11,4%
5–15 cm
pH H₂O
5,8
Org. C
18,4g/kg
Clay
15,9%
Sand
73,0%
Silt
11,1%
15–30 cm
pH H₂O
5,8
Org. C
15,1g/kg
Clay
19,1%
Sand
70,2%
Silt
10,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest17.6%
Crops13.8%
Built-up9.1%
Bare soil0.3%
Other (grassland, water…)59.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
1
Max drainage
1 150km²
Discharge in basins
0,3m³/s
Mean precip.
1 106mm/an
Mean T°
27,2°C
Moisture idx
-0,27
Mean runoff
241mm/an
Mean elev. (basins)
46m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
9hab/km²
Night light
1,9nW
Built-up
914,1%
Pesticides
12,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN V · 1🌊 Marine · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN