Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Local Authority · NGA
Badagry
Nigeria
AwTropical, savannah(100 %)
Species observed
529
Observations
2 516
Area
492,6km²
Ecological tissue
Sample of 31 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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Badagry : 25 espèces reliées par 23 interactions GloBI sur 4 types (connectance 4.9%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
31
Interactions affichées
23
Connectance
0.050
Patrimoniales
0
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
529 distinct species · 2 516 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,5°C
Annual rain
1 363mm
Warmest m°
30,1°C
Coldest m°
23,4°C
Elevation: 5 m on average (min -18 m, max 23 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,5°C
Annual rain
1 363mm
Warmest month
30,1°C
Coldest month
23,4°C
Mean alt.
5m
Min
-18m
Max
23m
Std. dev.
4m
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
5,5
Org. C
30,3g/kg
Clay
20,9%
Sand
57,4%
Silt
21,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: wbGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,5
Org. C
43,4g/kg
Clay
20,3%
Sand
57,9%
Silt
21,8%
5–15 cm
pH H₂O
5,5
Org. C
27,9g/kg
Clay
20,4%
Sand
57,8%
Silt
21,8%
15–30 cm
pH H₂O
5,5
Org. C
19,5g/kg
Clay
21,9%
Sand
56,6%
Silt
21,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest22.1%
Crops4.5%
Built-up6.4%
Bare soil0.6%
Other (grassland, water…)66.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology7 basins · 2 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
0,4km
Lake surface here
14,58km²
Basins crossed
7
Max stream order
1
Max drainage
7 334km²
Discharge in basins
35,9m³/s
Mean precip.
1 384mm/an
Mean T°
27,1°C
Moisture idx
-0,06
Mean runoff
636mm/an
Mean elev. (basins)
32m
Watersheds crossing here
- Bassin de River Owosub-area1 678,9 km²overlap272.36 km²55%
- Bassin de Yewasub-area1 213,4 km²overlap81.86 km²17%
- Basin #63590sub-area172,5 km²overlap70.14 km²14%
- Bassin de Badagry Creeksub-area217,9 km²overlap36.11 km²7%
- Basin #64480sub-area131,4 km²overlap28.82 km²6%
- Bassin de Canal d'Akôdjisub-area141,1 km²overlap3.06 km²1%
- Bassin de Gli-Awoyosub-area1 014,7 km²overlap0.23 km²0%
Lakes (2, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
5hab/km²
Night light
1,0nW
Built-up
642,0%
Pesticides
36,1kg/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