Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Covè
Benin
AwTropical, savannah(100 %)
Species observed
808
Observations
3 049
Area
422,5km²
Ecological tissue
Sample of 18 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 Covè : 16 espèces + 2 bulles famille, 13 interactions GloBI documentées sur 5 types (connectance 8.5%, filtre Serrano α=0.2). Les 2 bulles regroupent des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
18
Interactions affichées
13
Connectance
0.085
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
808 distinct species · 3 049 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,2°C
Annual rain
1 095mm
Warmest m°
35,5°C
Coldest m°
22,1°C
Elevation: 87 m on average (min 17 m, max 242 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,2°C
Annual rain
1 095mm
Warmest month
35,5°C
Coldest month
22,1°C
Mean alt.
87m
Min
17m
Max
242m
Std. dev.
42m
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
6,5
Org. C
15,5g/kg
Clay
14,5%
Sand
68,9%
Silt
16,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
25,0g/kg
Clay
17,4%
Sand
64,6%
Silt
18,0%
5–15 cm
pH H₂O
6,5
Org. C
13,8g/kg
Clay
12,6%
Sand
71,3%
Silt
16,1%
15–30 cm
pH H₂O
6,5
Org. C
7,6g/kg
Clay
13,5%
Sand
70,8%
Silt
15,7%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest24.9%
Crops29.1%
Built-up0.7%
Bare soil0.0%
Other (grassland, water…)45.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
58,6km
Basins crossed
2
Max stream order
5
Max drainage
39 242km²
Discharge in basins
13,7m³/s
Mean precip.
1 080mm/an
Mean T°
27,6°C
Moisture idx
-0,40
Mean runoff
253mm/an
Mean elev. (basins)
98m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,1nW
Built-up
70,1%
Pesticides
13,6kg/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