Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Siwé-Légo
Benin
AwTropical, savannah(100 %)
Species observed
37
Observations
179
Area
23km²
Ecological tissue
Sample of 4 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 Siwé-Légo : 4 espèces + 0 bulles famille, 2 interactions GloBI documentées sur 1 type (connectance 33.3%, filtre Serrano α=0.2).
Espèces affichées
4
Interactions affichées
2
Connectance
0.333
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
37 distinct species · 179 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,7°C
Annual rain
1 105mm
Warmest m°
34,7°C
Coldest m°
21,9°C
Elevation: 106 m on average (min 58 m, max 143 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,7°C
Annual rain
1 105mm
Warmest month
34,7°C
Coldest month
21,9°C
Mean alt.
106m
Min
58m
Max
143m
Std. dev.
19m
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
6,2
Org. C
17,8g/kg
Clay
19,3%
Sand
64,4%
Silt
16,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Agbangnizoun
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
30,3g/kg
Clay
21,3%
Sand
61,2%
Silt
17,4%
5–15 cm
pH H₂O
6,2
Org. C
13,9g/kg
Clay
17,5%
Sand
66,5%
Silt
16,0%
15–30 cm
pH H₂O
6,1
Org. C
9,2g/kg
Clay
19,0%
Sand
65,5%
Silt
15,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest16.2%
Crops39.5%
Built-up2.9%
Bare soil0.1%
Other (grassland, water…)41.4%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
5,4km
Basins crossed
2
Max stream order
1
Max drainage
3 664km²
Discharge in basins
0,2m³/s
Mean precip.
1 031mm/an
Mean T°
27,3°C
Moisture idx
-0,40
Mean runoff
263mm/an
Mean elev. (basins)
102m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
4hab/km²
Night light
0,3nW
Built-up
292,8%
Pesticides
13,8kg/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