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 6
Benin
AwTropical, savannah(100 %)
Species observed
1 203
Observations
4 809
Area
9,7km²
Ecological tissue
Sample of 48 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 6 : 40 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 61 interactions GloBI sur 6 types (connectance 5.4%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
48
Interactions affichées
61
Connectance
0.054
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 203 distinct species · 4 809 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,6°C
Annual rain
1 222mm
Warmest m°
29,6°C
Coldest m°
23,6°C
Elevation: -13 m on average (min -101 m, max 5 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,6°C
Annual rain
1 222mm
Warmest month
29,6°C
Coldest month
23,6°C
Mean alt.
-13m
Min
-101m
Max
5m
Std. dev.
17m
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
Forest0.1%
Crops0.1%
Built-up20.5%
Bare soil0.0%
Other (grassland, water…)79.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 1 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
4,0km
Lake surface here
3,81km²
Basins crossed
3
Max stream order
6
Max drainage
59 908km²
Discharge in basins
65,7m³/s
Mean precip.
1 159mm/an
Mean T°
27,0°C
Moisture idx
-0,19
Mean runoff
311mm/an
Mean elev. (basins)
30m
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
70hab/km²
Night light
7,9nW
Built-up
2 047,2%
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