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
497
Observations
1 167
Area
26km²
Sample of 30 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 Ségbohoué : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 20 interactions GloBI documentées sur 4 types (connectance 4.3%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
497 distinct species · 1 167 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
26,8°C
Annual rain
1 051mm
Warmest m°
32,2°C
Coldest m°
22,8°C
Elevation: 18 m on average (min 1 m, max 41 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
5,8
Org. C
20,1g/kg
Clay
22,5%
Sand
59,9%
Silt
17,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Kpomassè
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
Stream length here
6,5km
Lake surface here
11,17km²
Basins crossed
1
Max stream order
4
Max drainage
3 664km²
Discharge in basins
0,2m³/s
Mean precip.
1 028mm/an
Mean T°
27,3°C
Moisture idx
-0,40
Mean runoff
263mm/an
Mean elev. (basins)
104m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
2hab/km²
Night light
0,2nW
Built-up
194,3%
Pesticides
1,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Wetland of International Importance (Ramsar Site) · 2000
6 532 km²
Wetland of International Importance (Ramsar Site) · 2000
5 245 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN