Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Tatonnoukon
Benin
AwTropical, savannah(100 %)
Species observed
203
Observations
773
Area
56,8km²
Ecological tissue
Sample of 15 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 Tatonnoukon : 12 espèces reliées par 11 interactions GloBI sur 3 types (connectance 9.2%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
16
Interactions affichées
11
Connectance
0.092
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
203 distinct species · 773 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,5°C
Annual rain
1 265mm
Warmest m°
34,0°C
Coldest m°
22,0°C
Elevation: 109 m on average (min 32 m, max 143 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,5°C
Annual rain
1 265mm
Warmest month
34,0°C
Coldest month
22,0°C
Mean alt.
109m
Min
32m
Max
143m
Std. dev.
24m
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
6,0
Org. C
21,0g/kg
Clay
19,7%
Sand
66,5%
Silt
13,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Adja-Ouèrè
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
33,4g/kg
Clay
20,6%
Sand
65,4%
Silt
14,0%
5–15 cm
pH H₂O
6,0
Org. C
18,5g/kg
Clay
18,4%
Sand
67,7%
Silt
13,9%
15–30 cm
pH H₂O
6,0
Org. C
11,0g/kg
Clay
20,0%
Sand
66,4%
Silt
13,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest20.3%
Crops34.7%
Built-up1.6%
Bare soil0.4%
Other (grassland, water…)43.1%
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
48 989km²
Discharge in basins
7,5m³/s
Mean precip.
1 154mm/an
Mean T°
27,5°C
Moisture idx
-0,30
Mean runoff
397mm/an
Mean elev. (basins)
46m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,0nW
Built-up
158,3%
Pesticides
13,4kg/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