Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Tohouè
Benin
AwTropical, savannah(100 %)
Species observed
1 111
Observations
4 323
Area
62,9km²
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 Tohouè : 9 espèces reliées par 9 interactions GloBI sur 2 types (connectance 16.4%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
11
Interactions affichées
9
Connectance
0.164
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
1 111 distinct species · 4 323 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,6°C
Annual rain
1 274mm
Warmest m°
29,7°C
Coldest m°
23,6°C
Elevation: 4 m on average (min -0 m, max 8 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,6°C
Annual rain
1 274mm
Warmest month
29,7°C
Coldest month
23,6°C
Mean alt.
4m
Min
-0m
Max
8m
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
5,5
Org. C
31,7g/kg
Clay
25,2%
Sand
56,2%
Silt
18,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Sèmè-Kpodji
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
5,5
Org. C
43,9g/kg
Clay
24,8%
Sand
56,3%
Silt
19,0%
5–15 cm
pH H₂O
5,5
Org. C
31,8g/kg
Clay
25,8%
Sand
55,4%
Silt
18,8%
15–30 cm
pH H₂O
5,5
Org. C
19,3g/kg
Clay
25,1%
Sand
56,8%
Silt
18,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest15.3%
Crops7.8%
Built-up5.4%
Bare soil0.9%
Other (grassland, water…)70.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology4 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Basins crossed
4
Max stream order
4
Max drainage
7 334km²
Discharge in basins
10,0m³/s
Mean precip.
1 347mm/an
Mean T°
27,3°C
Moisture idx
-0,04
Mean runoff
537mm/an
Mean elev. (basins)
7m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
8hab/km²
Night light
1,3nW
Built-up
538,7%
Pesticides
12,2kg/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