Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Pahou
Benin
AwTropical, savannah(100 %)
Species observed
657
Observations
5 242
Area
74,9km²
Ecological tissue
Sample of 22 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 Pahou : 22 espèces reliées par 16 interactions GloBI sur 4 types (connectance 6.9%, filtre Serrano α=0.2).
Espèces affichées
22
Interactions affichées
16
Connectance
0.069
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
657 distinct species · 5 242 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,7°C
Annual rain
1 133mm
Warmest m°
30,4°C
Coldest m°
23,3°C
Elevation: 8 m on average (min 2 m, max 25 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,7°C
Annual rain
1 133mm
Warmest month
30,4°C
Coldest month
23,3°C
Mean alt.
8m
Min
2m
Max
25m
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
5,7
Org. C
23,1g/kg
Clay
24,0%
Sand
61,0%
Silt
15,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Ouidah
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,7
Org. C
35,6g/kg
Clay
24,5%
Sand
60,3%
Silt
15,1%
5–15 cm
pH H₂O
5,7
Org. C
20,4g/kg
Clay
23,7%
Sand
61,5%
Silt
14,8%
15–30 cm
pH H₂O
5,7
Org. C
13,2g/kg
Clay
23,7%
Sand
61,3%
Silt
14,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest13.9%
Crops8.7%
Built-up7.9%
Bare soil1.0%
Other (grassland, water…)68.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 2 lakes · 0 rivers
Hydrology metrics for this exact territory
Lake surface here
2,85km²
Basins crossed
2
Max drainage
1 150km²
Discharge in basins
0,7m³/s
Mean precip.
1 110mm/an
Mean T°
27,2°C
Moisture idx
-0,26
Mean runoff
257mm/an
Mean elev. (basins)
34m
Watersheds crossing here
Lakes (2, top by area)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
13hab/km²
Night light
1,5nW
Built-up
790,3%
Pesticides
14,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 2🌊 Marine · 2
Basse Vallée du Couffo, Lagune Côtiere, Chenal Aho, Lac Ahémé
IUCN VWetland of International Importance (Ramsar Site) · 2000
5 245 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN