Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Zoungamè
Benin
AwTropical, savannah(100 %)
Species observed
538
Observations
3 287
Area
52,8km²
Ecological tissue
Sample of 41 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 Zoungamè : 33 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 4 types (connectance 5.6%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
42
Interactions affichées
48
Connectance
0.056
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
538 distinct species · 3 287 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,6°C
Annual rain
1 226mm
Warmest m°
29,9°C
Coldest m°
23,5°C
Elevation: -45 m on average (min -123 m, max 2 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,6°C
Annual rain
1 226mm
Warmest month
29,9°C
Coldest month
23,5°C
Mean alt.
-45m
Min
-123m
Max
2m
Std. dev.
44m
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
48,5g/kg
Clay
53,2%
Sand
14,1%
Silt
32,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Aguégués
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,5
Org. C
57,4g/kg
Clay
54,2%
Sand
13,2%
Silt
32,6%
5–15 cm
pH H₂O
5,5
Org. C
56,8g/kg
Clay
54,2%
Sand
13,4%
Silt
32,5%
15–30 cm
pH H₂O
5,5
Org. C
31,2g/kg
Clay
51,4%
Sand
15,5%
Silt
33,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest6.9%
Crops0.1%
Built-up0.7%
Bare soil0.0%
Other (grassland, water…)92.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology6 basins · 1 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
3,1km
Lake surface here
34,29km²
Basins crossed
6
Max stream order
6
Max drainage
58 742km²
Discharge in basins
245,2m³/s
Mean precip.
1 249mm/an
Mean T°
27,2°C
Moisture idx
-0,13
Mean runoff
447mm/an
Mean elev. (basins)
7m
Watersheds crossing here
- Bassin de Nidomeysub-area174,6 km²overlap33.40 km²63%
- Bassin de Ouémésub-area1 289,8 km²overlap6.05 km²11%
- Bassin de Canal d'Akôdjisub-area141,1 km²overlap4.85 km²9%
- Bassin de Chenal de Cotonousub-area43,9 km²overlap4.54 km²9%
- Bassin de Ouémésub-area5,3 km²overlap3.36 km²6%
- Basin #64480sub-area131,4 km²overlap0.63 km²1%
Lakes (1, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,3nW
Built-up
66,4%
Pesticides
13,8kg/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