Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Ahoyéyé
Benin
AwTropical, savannah(100 %)
Species observed
554
Observations
1 820
Area
61,1km²
Ecological tissue
Sample of 8 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 Ahoyéyé : 8 espèces reliées par 4 interactions GloBI sur 1 type (connectance 14.3%, filtre Serrano α=0.2).
Espèces affichées
8
Interactions affichées
4
Connectance
0.143
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
554 distinct species · 1 820 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,8°C
Annual rain
1 063mm
Warmest m°
34,6°C
Coldest m°
22,2°C
Elevation: 69 m on average (min 46 m, max 135 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,8°C
Annual rain
1 063mm
Warmest month
34,6°C
Coldest month
22,2°C
Mean alt.
69m
Min
46m
Max
135m
Std. dev.
18m
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
6,0
Org. C
24,2g/kg
Clay
37,6%
Sand
34,9%
Silt
27,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Pobè
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
34,1g/kg
Clay
38,0%
Sand
34,4%
Silt
27,6%
5–15 cm
pH H₂O
6,0
Org. C
21,8g/kg
Clay
38,2%
Sand
34,7%
Silt
27,1%
15–30 cm
pH H₂O
6,0
Org. C
16,7g/kg
Clay
36,5%
Sand
35,6%
Silt
27,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest22.7%
Crops16.8%
Built-up0.7%
Bare soil0.1%
Other (grassland, water…)59.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max drainage
48 989km²
Discharge in basins
3,6m³/s
Mean precip.
1 132mm/an
Mean T°
27,4°C
Moisture idx
-0,34
Mean runoff
422mm/an
Mean elev. (basins)
59m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,0nW
Built-up
67,7%
Pesticides
13,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN V · 1🌊 Marine · 1📍 Point sites · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN