Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Arrondissement 9
Benin
AwTropical, savannah(100 %)
Species observed
121
Observations
582
Area
12,2km²
Ecological tissue
Sample of 43 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 Arrondissement 9 : 36 espèces reliées par 50 interactions GloBI sur 4 types (connectance 5.5%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
43
Interactions affichées
50
Connectance
0.055
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
121 distinct species · 582 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,6°C
Annual rain
1 215mm
Warmest m°
29,7°C
Coldest m°
23,5°C
Elevation: 0 m on average (min -33 m, max 3 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,6°C
Annual rain
1 215mm
Warmest month
29,7°C
Coldest month
23,5°C
Mean alt.
0m
Min
-33m
Max
3m
Std. dev.
4m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Land cover
Forest1.1%
Crops0.7%
Built-up19.0%
Bare soil0.4%
Other (grassland, water…)78.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 1 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,8km
Lake surface here
3,73km²
Basins crossed
1
Max stream order
3
Max drainage
1 150km²
Discharge in basins
0,1m³/s
Mean precip.
1 106mm/an
Mean T°
27,2°C
Moisture idx
-0,27
Mean runoff
241mm/an
Mean elev. (basins)
46m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
52hab/km²
Night light
8,5nW
Built-up
1 899,9%
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