Basse Vallée de l'Ouémé, Lagune de Porto-Novo, Lac Nokoué
IUCN VWetland of International Importance (Ramsar Site) · 2000
6 532 km²
Commune · BEN
Avlamè
Benin
AwTropical, savannah(100 %)
Species observed
169
Observations
337
Area
71,8km²
Ecological tissue
Sample of 12 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 Avlamè : 12 espèces reliées par 8 interactions GloBI sur 2 types (connectance 12.1%, filtre Serrano α=0.2).
Espèces affichées
12
Interactions affichées
8
Connectance
0.121
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
169 distinct species · 337 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,2°C
Annual rain
1 062mm
Warmest m°
35,2°C
Coldest m°
22,3°C
Elevation: 51 m on average (min 23 m, max 88 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
27,2°C
Annual rain
1 062mm
Warmest month
35,2°C
Coldest month
22,3°C
Mean alt.
51m
Min
23m
Max
88m
Std. dev.
14m
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
16,5g/kg
Clay
17,7%
Sand
63,3%
Silt
19,1%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Zogbodomey
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
27,7g/kg
Clay
19,4%
Sand
60,1%
Silt
20,5%
5–15 cm
pH H₂O
6,2
Org. C
13,6g/kg
Clay
15,8%
Sand
65,4%
Silt
18,8%
15–30 cm
pH H₂O
6,2
Org. C
8,2g/kg
Clay
17,8%
Sand
64,3%
Silt
17,8%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.6%
Crops36.8%
Built-up0.7%
Bare soil0.1%
Other (grassland, water…)43.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology1 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
1
Max drainage
2 064km²
Discharge in basins
0,6m³/s
Mean precip.
1 090mm/an
Mean T°
27,5°C
Moisture idx
-0,35
Mean runoff
272mm/an
Mean elev. (basins)
72m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
1hab/km²
Night light
0,0nW
Built-up
74,4%
Pesticides
13,8kg/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