Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Houédomey
Benin
AwTropical, savannah(100 %)
Species observed
123
Observations
650
Area
14,9km²
Ecological tissue
Sample of 6 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 Houédomey : 6 espèces + 0 bulles famille, 3 interactions GloBI documentées sur 2 types (connectance 20.0%, filtre Serrano α=0.2).
Espèces affichées
6
Interactions affichées
3
Connectance
0.200
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
123 distinct species · 650 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,7°C
Annual rain
1 171mm
Warmest m°
31,6°C
Coldest m°
22,9°C
Elevation: 2 m on average (min 1 m, max 7 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,7°C
Annual rain
1 171mm
Warmest month
31,6°C
Coldest month
22,9°C
Mean alt.
2m
Min
1m
Max
7m
Std. dev.
1m
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
5,6
Org. C
34,9g/kg
Clay
50,6%
Sand
24,3%
Silt
25,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Dangbo
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,6
Org. C
47,4g/kg
Clay
48,9%
Sand
24,5%
Silt
26,7%
5–15 cm
pH H₂O
5,6
Org. C
37,2g/kg
Clay
51,1%
Sand
24,1%
Silt
24,8%
15–30 cm
pH H₂O
5,6
Org. C
20,0g/kg
Clay
51,8%
Sand
24,3%
Silt
23,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest7.3%
Crops53.6%
Built-up1.1%
Bare soil0.1%
Other (grassland, water…)37.9%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
2,2km
Basins crossed
1
Max stream order
6
Max drainage
48 989km²
Discharge in basins
2,3m³/s
Mean precip.
1 139mm/an
Mean T°
27,5°C
Moisture idx
-0,31
Mean runoff
382mm/an
Mean elev. (basins)
43m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
4hab/km²
Night light
0,0nW
Built-up
107,1%
Pesticides
13,3kg/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