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
1 108
Observations
3 982
Area
16,5km²
Sample of 13 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 Atchoukpa : 12 espèces + 1 bulle famille, 10 interactions GloBI documentées sur 4 types (connectance 12.8%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
1 108 distinct species · 3 982 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Mean T°
26,5°C
Annual rain
1 372mm
Warmest m°
30,8°C
Coldest m°
23,0°C
Elevation: 27 m on average (min 18 m, max 32 m)
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
pH H₂O
5,9
Org. C
27,0g/kg
Clay
21,3%
Sand
65,9%
Silt
12,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Avrankou
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
0,4km
Basins crossed
3
Max stream order
1
Max drainage
48 989km²
Discharge in basins
3,1m³/s
Mean precip.
1 254mm/an
Mean T°
27,3°C
Moisture idx
-0,18
Mean runoff
479mm/an
Mean elev. (basins)
44m
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Pop. density
28hab/km²
Night light
4,1nW
Built-up
2 129,3%
Pesticides
13,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Wetland of International Importance (Ramsar Site) · 2000
6 532 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN