Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Avrankou
Benin
AwTropical, savannah(100 %)
Species observed
586
Observations
1 722
Area
12,7km²
Ecological tissue
Sample of 29 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 Avrankou : 28 espèces + 1 bulle famille, 21 interactions GloBI documentées sur 5 types (connectance 5.2%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
29
Interactions affichées
21
Connectance
0.052
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
586 distinct species · 1 722 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,5°C
Annual rain
1 392mm
Warmest m°
31,0°C
Coldest m°
22,9°C
Elevation: 27 m on average (min 15 m, max 39 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,5°C
Annual rain
1 392mm
Warmest month
31,0°C
Coldest month
22,9°C
Mean alt.
27m
Min
15m
Max
39m
Std. dev.
8m
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
5,9
Org. C
20,5g/kg
Clay
20,4%
Sand
67,6%
Silt
12,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Avrankou
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
30,3g/kg
Clay
19,8%
Sand
67,4%
Silt
12,8%
5–15 cm
pH H₂O
5,9
Org. C
18,6g/kg
Clay
18,8%
Sand
69,3%
Silt
11,8%
15–30 cm
pH H₂O
5,9
Org. C
12,7g/kg
Clay
22,5%
Sand
66,1%
Silt
11,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest14.5%
Crops4.5%
Built-up12.3%
Bare soil0.2%
Other (grassland, water…)68.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
1
Max drainage
1 015km²
Discharge in basins
0,2m³/s
Mean precip.
1 242mm/an
Mean T°
27,2°C
Moisture idx
-0,21
Mean runoff
485mm/an
Mean elev. (basins)
65m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
13hab/km²
Night light
1,6nW
Built-up
1 225,4%
Pesticides
13,5kg/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