Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Sado
Benin
AwTropical, savannah(100 %)
Species observed
630
Observations
2 031
Area
8,2km²
Ecological tissue
Graphe en cours d’indexation
Calcul du tissu écologique de cette entité.
Le graphe apparaîtra automatiquement dès que le calcul est terminé (rafraîchissement toutes les 2s).
Species present
630 distinct species · 2 031 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,5°C
Annual rain
1 398mm
Warmest m°
31,0°C
Coldest m°
23,0°C
Elevation: 22 m on average (min 5 m, max 34 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,5°C
Annual rain
1 398mm
Warmest month
31,0°C
Coldest month
23,0°C
Mean alt.
22m
Min
5m
Max
34m
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
5,9
Org. C
25,0g/kg
Clay
17,9%
Sand
70,4%
Silt
11,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Avrankou
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
37,2g/kg
Clay
17,0%
Sand
70,6%
Silt
12,4%
5–15 cm
pH H₂O
5,8
Org. C
21,5g/kg
Clay
15,8%
Sand
72,5%
Silt
11,7%
15–30 cm
pH H₂O
5,9
Org. C
16,2g/kg
Clay
20,7%
Sand
68,1%
Silt
11,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest27.2%
Crops5.6%
Built-up4.3%
Bare soil0.2%
Other (grassland, water…)62.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,7km
Basins crossed
1
Max stream order
2
Max drainage
1 015km²
Discharge in basins
0,1m³/s
Mean precip.
1 242mm/an
Mean T°
27,2°C
Moisture idx
-0,21
Mean runoff
485mm/an
Mean elev. (basins)
65m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,8nW
Built-up
425,2%
Pesticides
13,5kg/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