Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Séhouè
Benin
AwTropical, savannah(100 %)
Species observed
497
Observations
2 443
Area
60,3km²
Ecological tissue
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Calcul du tissu écologique de cette entité.
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Species present
497 distinct species · 2 443 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,8°C
Annual rain
1 131mm
Warmest m°
34,3°C
Coldest m°
22,1°C
Elevation: 89 m on average (min 42 m, max 154 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,8°C
Annual rain
1 131mm
Warmest month
34,3°C
Coldest month
22,1°C
Mean alt.
89m
Min
42m
Max
154m
Std. dev.
36m
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
6,3
Org. C
21,1g/kg
Clay
35,1%
Sand
40,0%
Silt
24,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Toffo
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
31,2g/kg
Clay
35,4%
Sand
39,7%
Silt
24,9%
5–15 cm
pH H₂O
6,3
Org. C
19,2g/kg
Clay
35,3%
Sand
40,0%
Silt
24,6%
15–30 cm
pH H₂O
6,3
Org. C
12,9g/kg
Clay
34,5%
Sand
40,4%
Silt
25,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest24.6%
Crops14.0%
Built-up1.4%
Bare soil0.2%
Other (grassland, water…)59.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
1
Max drainage
2 064km²
Discharge in basins
0,5m³/s
Mean precip.
1 090mm/an
Mean T°
27,5°C
Moisture idx
-0,35
Mean runoff
272mm/an
Mean elev. (basins)
72m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,1nW
Built-up
137,4%
Pesticides
13,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 1IUCN Not Reported · 1🌊 Marine · 1
La Lama-Sud
IUCN Not ReportedClassified Forest · 1942
65 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN