Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Aholouyèmè
Benin
AwTropical, savannah(100 %)
Species observed
64
Observations
207
Area
26,7km²
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 Aholouyèmè : 7 espèces + 1 bulle famille, 5 interactions GloBI documentées sur 3 types (connectance 17.9%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
8
Interactions affichées
5
Connectance
0.179
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
64 distinct species · 207 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,6°C
Annual rain
1 242mm
Warmest m°
29,8°C
Coldest m°
23,5°C
Elevation: 1 m on average (min -15 m, max 2 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,6°C
Annual rain
1 242mm
Warmest month
29,8°C
Coldest month
23,5°C
Mean alt.
1m
Min
-15m
Max
2m
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
44,9g/kg
Clay
50,1%
Sand
19,0%
Silt
30,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Sèmè-Kpodji
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,5
Org. C
53,9g/kg
Clay
50,6%
Sand
18,4%
Silt
31,0%
5–15 cm
pH H₂O
5,5
Org. C
52,3g/kg
Clay
50,9%
Sand
18,4%
Silt
30,7%
15–30 cm
pH H₂O
5,5
Org. C
28,7g/kg
Clay
48,7%
Sand
20,3%
Silt
30,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest14.9%
Crops4.0%
Built-up3.0%
Bare soil0.5%
Other (grassland, water…)77.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 1 lakes · 0 rivers
Hydrology metrics for this exact territory
Lake surface here
1,24km²
Basins crossed
4
Max drainage
56 634km²
Discharge in basins
99,6m³/s
Mean precip.
1 330mm/an
Mean T°
27,3°C
Moisture idx
-0,05
Mean runoff
519mm/an
Mean elev. (basins)
6m
Watersheds crossing here
Lakes (1, top by area)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
0,6nW
Built-up
297,7%
Pesticides
12,2kg/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