Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Abomey-Calavi
Benin
AwTropical, savannah(100 %)
Species observed
2 302
Observations
51 932
Area
530,7km²
Ecological tissue
Sample of 38 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 Abomey-Calavi : 35 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) + 3 bulles famille, 29 interactions GloBI documentées sur 4 types (connectance 4.1%, filtre Serrano α=0.2). Les 3 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
38
Interactions affichées
29
Connectance
0.041
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
2 302 distinct species · 51 932 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,6°C
Annual rain
1 230mm
Warmest m°
31,0°C
Coldest m°
23,0°C
Elevation: 19 m on average (min -28 m, max 69 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,6°C
Annual rain
1 230mm
Warmest month
31,0°C
Coldest month
23,0°C
Mean alt.
19m
Min
-28m
Max
69m
Std. dev.
16m
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
5,8
Org. C
23,5g/kg
Clay
24,0%
Sand
60,7%
Silt
15,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
36,0g/kg
Clay
23,2%
Sand
60,8%
Silt
16,0%
5–15 cm
pH H₂O
5,8
Org. C
20,9g/kg
Clay
23,4%
Sand
61,3%
Silt
15,3%
15–30 cm
pH H₂O
5,8
Org. C
13,6g/kg
Clay
25,4%
Sand
60,0%
Silt
14,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest12.8%
Crops10.1%
Built-up12.1%
Bare soil0.5%
Other (grassland, water…)64.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 4 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
44,5km
Lake surface here
12,01km²
Basins crossed
5
Max stream order
4
Max drainage
58 742km²
Discharge in basins
48,7m³/s
Mean precip.
1 104mm/an
Mean T°
27,3°C
Moisture idx
-0,29
Mean runoff
258mm/an
Mean elev. (basins)
52m
Watersheds crossing here
Lakes (4, top by area)
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
17hab/km²
Night light
3,4nW
Built-up
1 208,5%
Pesticides
12,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 2🌊 Marine · 2
Basse Vallée du Couffo, Lagune Côtiere, Chenal Aho, Lac Ahémé
IUCN VWetland of International Importance (Ramsar Site) · 2000
5 245 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN