Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Késsounou
Benin
AwTropical, savannah(100 %)
Species observed
352
Observations
1 136
Area
40,2km²
Ecological tissue
Sample of 11 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 Késsounou : 10 espèces + 1 bulle famille, 8 interactions GloBI documentées sur 3 types (connectance 14.5%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
11
Interactions affichées
8
Connectance
0.145
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
352 distinct species · 1 136 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,7°C
Annual rain
1 189mm
Warmest m°
31,1°C
Coldest m°
23,0°C
Elevation: 2 m on average (min 1 m, max 18 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,7°C
Annual rain
1 189mm
Warmest month
31,1°C
Coldest month
23,0°C
Mean alt.
2m
Min
1m
Max
18m
Std. dev.
2m
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
5,6
Org. C
35,7g/kg
Clay
49,8%
Sand
21,5%
Silt
28,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Dangbo
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,6
Org. C
47,1g/kg
Clay
48,6%
Sand
21,9%
Silt
29,6%
5–15 cm
pH H₂O
5,6
Org. C
39,3g/kg
Clay
50,9%
Sand
20,8%
Silt
28,2%
15–30 cm
pH H₂O
5,6
Org. C
20,7g/kg
Clay
49,9%
Sand
21,9%
Silt
28,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest15.3%
Crops29.0%
Built-up1.0%
Bare soil0.2%
Other (grassland, water…)54.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
8,2km
Basins crossed
2
Max stream order
6
Max drainage
56 634km²
Discharge in basins
16,1m³/s
Mean precip.
1 161mm/an
Mean T°
27,4°C
Moisture idx
-0,27
Mean runoff
395mm/an
Mean elev. (basins)
35m
Watersheds crossing here
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,0nW
Built-up
98,5%
Pesticides
13,3kg/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