Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Allada
Benin
AwTropical, savannah(100 %)
Species observed
413
Observations
639
Area
37,8km²
Ecological tissue
Sample of 20 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 Allada : 17 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 17 interactions GloBI sur 2 types (connectance 8.9%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
20
Interactions affichées
17
Connectance
0.089
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
413 distinct species · 639 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,4°C
Annual rain
1 213mm
Warmest m°
32,7°C
Coldest m°
22,2°C
Elevation: 92 m on average (min 42 m, max 121 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,4°C
Annual rain
1 213mm
Warmest month
32,7°C
Coldest month
22,2°C
Mean alt.
92m
Min
42m
Max
121m
Std. dev.
12m
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
23,8g/kg
Clay
18,4%
Sand
72,0%
Silt
9,5%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Allada
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,9
Org. C
39,3g/kg
Clay
17,5%
Sand
72,6%
Silt
9,9%
5–15 cm
pH H₂O
5,8
Org. C
18,5g/kg
Clay
16,9%
Sand
73,4%
Silt
9,7%
15–30 cm
pH H₂O
5,9
Org. C
13,8g/kg
Clay
20,9%
Sand
70,1%
Silt
9,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest21.0%
Crops10.7%
Built-up5.5%
Bare soil0.4%
Other (grassland, water…)62.4%
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
3 664km²
Discharge in basins
0,3m³/s
Mean precip.
1 103mm/an
Mean T°
27,2°C
Moisture idx
-0,27
Mean runoff
242mm/an
Mean elev. (basins)
48m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
14hab/km²
Night light
0,9nW
Built-up
552,2%
Pesticides
12,3kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 2🌊 Marine · 2📍 Point sites · 1
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