Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Dovi-centre
Benin
AwTropical, savannah(100 %)
Species observed
190
Observations
690
Area
131,2km²
Ecological tissue
Sample of 45 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 Dovi-centre : 40 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 4 types (connectance 3.8%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
45
Interactions affichées
38
Connectance
0.038
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
190 distinct species · 690 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,3°C
Annual rain
1 124mm
Warmest m°
35,4°C
Coldest m°
22,5°C
Elevation: 21 m on average (min 10 m, max 84 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,3°C
Annual rain
1 124mm
Warmest month
35,4°C
Coldest month
22,5°C
Mean alt.
21m
Min
10m
Max
84m
Std. dev.
16m
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
6,3
Org. C
16,0g/kg
Clay
23,6%
Sand
54,0%
Silt
22,4%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Zagnanado
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
25,7g/kg
Clay
27,2%
Sand
50,0%
Silt
22,7%
5–15 cm
pH H₂O
6,3
Org. C
13,5g/kg
Clay
21,7%
Sand
55,9%
Silt
22,4%
15–30 cm
pH H₂O
6,3
Org. C
8,9g/kg
Clay
21,9%
Sand
56,2%
Silt
22,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest25.1%
Crops12.5%
Built-up0.3%
Bare soil0.1%
Other (grassland, water…)62.0%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology3 basins · 1 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
24,2km
Lake surface here
1,25km²
Basins crossed
3
Max stream order
6
Max drainage
48 989km²
Discharge in basins
7,2m³/s
Mean precip.
1 098mm/an
Mean T°
27,5°C
Moisture idx
-0,39
Mean runoff
266mm/an
Mean elev. (basins)
104m
Watersheds crossing here
Lakes (1, top by area)
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,0nW
Built-up
31,5%
Pesticides
13,4kg/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