Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Dangbo
Benin
AwTropical, savannah(100 %)
Species observed
754
Observations
3 095
Area
17,7km²
Ecological tissue
Sample of 35 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 Dangbo : 27 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 49 interactions GloBI sur 5 types (connectance 7.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
38
Interactions affichées
49
Connectance
0.070
Patrimoniales
4
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
754 distinct species · 3 095 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,5°C
Annual rain
1 237mm
Warmest m°
31,3°C
Coldest m°
22,8°C
Elevation: 32 m on average (min 2 m, max 49 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,5°C
Annual rain
1 237mm
Warmest month
31,3°C
Coldest month
22,8°C
Mean alt.
32m
Min
2m
Max
49m
Std. dev.
14m
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
5,8
Org. C
32,7g/kg
Clay
41,4%
Sand
37,5%
Silt
21,1%
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
5,8
Org. C
41,7g/kg
Clay
41,4%
Sand
37,1%
Silt
21,5%
5–15 cm
pH H₂O
5,8
Org. C
33,4g/kg
Clay
41,0%
Sand
37,7%
Silt
21,3%
15–30 cm
pH H₂O
5,8
Org. C
23,1g/kg
Clay
41,8%
Sand
37,8%
Silt
20,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest17.7%
Crops10.4%
Built-up7.1%
Bare soil0.7%
Other (grassland, water…)64.1%
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
2,6m³/s
Mean precip.
1 145mm/an
Mean T°
27,5°C
Moisture idx
-0,30
Mean runoff
388mm/an
Mean elev. (basins)
44m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
18hab/km²
Night light
0,7nW
Built-up
707,1%
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