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 3
Benin
AwTropical, savannah(100 %)
Species observed
120
Observations
2 045
Area
6km²
Ecological tissue
Sample of 37 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 3 : 34 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 4 types (connectance 4.7%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
31
Connectance
0.046
Patrimoniales
2
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
120 distinct species · 2 045 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,6°C
Annual rain
1 227mm
Warmest m°
29,4°C
Coldest m°
23,6°C
Elevation: -5 m on average (min -101 m, max 4 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,6°C
Annual rain
1 227mm
Warmest month
29,4°C
Coldest month
23,6°C
Mean alt.
-5m
Min
-101m
Max
4m
Std. dev.
9m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Hydrology3 basins · 1 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
1,7km
Lake surface here
0,99km²
Basins crossed
3
Max stream order
6
Max drainage
59 908km²
Discharge in basins
81,6m³/s
Mean precip.
1 248mm/an
Mean T°
26,9°C
Moisture idx
-0,08
Mean runoff
430mm/an
Mean elev. (basins)
4m
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
Protected areas1
IUCN V · 1🌊 Marine · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN