Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Vakon
Benin
AwTropical, savannah(100 %)
Species observed
862
Observations
2 686
Area
16,1km²
Ecological tissue
Sample of 12 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 Vakon : 12 espèces reliées par 9 interactions GloBI sur 4 types (connectance 13.6%, filtre Serrano α=0.2).
Espèces affichées
12
Interactions affichées
9
Connectance
0.136
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
862 distinct species · 2 686 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,5°C
Annual rain
1 253mm
Warmest m°
30,6°C
Coldest m°
23,1°C
Elevation: 16 m on average (min 2 m, max 36 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,5°C
Annual rain
1 253mm
Warmest month
30,6°C
Coldest month
23,1°C
Mean alt.
16m
Min
2m
Max
36m
Std. dev.
11m
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
5,7
Org. C
33,9g/kg
Clay
39,2%
Sand
38,8%
Silt
22,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Akpro-Missérété
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,7
Org. C
41,6g/kg
Clay
38,5%
Sand
38,6%
Silt
22,9%
5–15 cm
pH H₂O
5,7
Org. C
37,6g/kg
Clay
38,7%
Sand
39,5%
Silt
21,8%
15–30 cm
pH H₂O
5,7
Org. C
22,4g/kg
Clay
40,3%
Sand
38,4%
Silt
21,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest14.8%
Crops8.5%
Built-up11.9%
Bare soil0.3%
Other (grassland, water…)64.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
2,0km
Basins crossed
1
Max stream order
1
Max drainage
48 989km²
Discharge in basins
2,5m³/s
Mean precip.
1 139mm/an
Mean T°
27,5°C
Moisture idx
-0,31
Mean runoff
382mm/an
Mean elev. (basins)
43m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
16hab/km²
Night light
1,9nW
Built-up
1 185,8%
Pesticides
13,8kg/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