Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Dékin
Benin
AwTropical, savannah(100 %)
Species observed
132
Observations
782
Area
12,6km²
Ecological tissue
Sample of 9 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 Dékin : 9 espèces + 0 bulles famille, 5 interactions GloBI documentées sur 2 types (connectance 13.9%, filtre Serrano α=0.2).
Espèces affichées
9
Interactions affichées
5
Connectance
0.139
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
132 distinct species · 782 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,7°C
Annual rain
1 172mm
Warmest m°
31,1°C
Coldest m°
23,0°C
Elevation: 2 m on average (min 1 m, max 3 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,7°C
Annual rain
1 172mm
Warmest month
31,1°C
Coldest month
23,0°C
Mean alt.
2m
Min
1m
Max
3m
Std. dev.
0m
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
32,6g/kg
Clay
43,7%
Sand
25,5%
Silt
30,8%
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
5,5
Org. C
47,0g/kg
Clay
42,0%
Sand
26,1%
Silt
31,9%
5–15 cm
pH H₂O
5,5
Org. C
35,1g/kg
Clay
45,0%
Sand
24,7%
Silt
30,2%
15–30 cm
pH H₂O
5,5
Org. C
15,6g/kg
Clay
44,1%
Sand
25,6%
Silt
30,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest17.7%
Crops17.0%
Built-up2.5%
Bare soil0.1%
Other (grassland, water…)62.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
3
Max drainage
56 634km²
Discharge in basins
7,4m³/s
Mean precip.
1 176mm/an
Mean T°
27,4°C
Moisture idx
-0,24
Mean runoff
402mm/an
Mean elev. (basins)
30m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
5hab/km²
Built-up
246,8%
Pesticides
13,2kg/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