Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Benin
Species observed
854
Observations
2 519
Area
28,1km²
Sample of 10 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).
Tissu écologique de Sèmè-Kpodji : 10 espèces + 0 bulles famille, 6 interactions GloBI documentées sur 3 types (connectance 13.3%, filtre Serrano α=0.2).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
854 distinct species · 2 519 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
26,6°C
Annual rain
1 267mm
Warmest m°
29,3°C
Coldest m°
23,7°C
Elevation: 3 m on average (min -45 m, max 6 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
5,6
Org. C
34,9g/kg
Clay
31,8%
Sand
46,6%
Silt
21,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Sèmè-Kpodji
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology metrics for this exact territory
Basins crossed
2
Max drainage
218km²
Discharge in basins
0,5m³/s
Mean precip.
1 388mm/an
Mean T°
27,2°C
Moisture idx
-0,00
Mean runoff
579mm/an
Mean elev. (basins)
5m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
13hab/km²
Night light
2,4nW
Built-up
888,8%
Pesticides
12,2kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Wetland of International Importance (Ramsar Site) · 2000
6 532 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN