Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Dekanmè
Benin
AwTropical, savannah(100 %)
Species observed
663
Observations
3 089
Area
33,9km²
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 Dekanmè : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 83 interactions GloBI sur 5 types (connectance 5.8%, filtre Serrano α=0.2). 26 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
54
Interactions affichées
83
Connectance
0.058
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
663 distinct species · 3 089 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,8°C
Annual rain
1 040mm
Warmest m°
32,6°C
Coldest m°
22,6°C
Elevation: 25 m on average (min 1 m, max 59 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,8°C
Annual rain
1 040mm
Warmest month
32,6°C
Coldest month
22,6°C
Mean alt.
25m
Min
1m
Max
59m
Std. dev.
23m
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
5,9
Org. C
28,9g/kg
Clay
37,7%
Sand
40,5%
Silt
21,7%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to Kpomassè
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
41,7g/kg
Clay
37,3%
Sand
40,5%
Silt
22,2%
5–15 cm
pH H₂O
5,9
Org. C
26,0g/kg
Clay
37,4%
Sand
40,9%
Silt
21,6%
15–30 cm
pH H₂O
5,9
Org. C
18,9g/kg
Clay
38,4%
Sand
40,2%
Silt
21,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest12.8%
Crops7.1%
Built-up1.9%
Bare soil0.3%
Other (grassland, water…)77.8%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 1 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
9,4km
Lake surface here
9,82km²
Basins crossed
2
Max stream order
4
Max drainage
3 664km²
Discharge in basins
0,3m³/s
Mean precip.
1 035mm/an
Mean T°
27,3°C
Moisture idx
-0,39
Mean runoff
261mm/an
Mean elev. (basins)
99m
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
3hab/km²
Night light
0,1nW
Built-up
194,5%
Pesticides
13,1kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN V · 2🌊 Marine · 2
Basse Vallée du Couffo, Lagune Côtiere, Chenal Aho, Lac Ahémé
IUCN VWetland of International Importance (Ramsar Site) · 2000
5 245 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN