Basse Vallée du Couffo, Lagune Côtiere, Chenal Aho, Lac Ahémé
IUCN VWetland of International Importance (Ramsar Site) · 2000
5 245 km²
Commune · BEN
Totchangni
Benin
AwTropical, savannah(100 %)
Species observed
311
Observations
509
Area
25,6km²
Ecological tissue
Sample of 41 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 Totchangni : 36 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 41 interactions GloBI sur 5 types (connectance 5.0%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
41
Interactions affichées
41
Connectance
0.050
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
311 distinct species · 509 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,6°C
Annual rain
1 103mm
Warmest m°
34,0°C
Coldest m°
21,9°C
Elevation: 83 m on average (min 35 m, max 122 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,6°C
Annual rain
1 103mm
Warmest month
34,0°C
Coldest month
21,9°C
Mean alt.
83m
Min
35m
Max
122m
Std. dev.
24m
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
6,1
Org. C
18,2g/kg
Clay
21,0%
Sand
64,1%
Silt
14,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: ssGLiMaggregated to Dogbo
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,2
Org. C
29,2g/kg
Clay
21,4%
Sand
63,8%
Silt
14,9%
5–15 cm
pH H₂O
6,1
Org. C
15,6g/kg
Clay
19,9%
Sand
65,1%
Silt
15,1%
15–30 cm
pH H₂O
6,1
Org. C
9,6g/kg
Clay
21,6%
Sand
63,5%
Silt
14,9%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest24.1%
Crops16.1%
Built-up2.3%
Bare soil0.3%
Other (grassland, water…)57.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 0 rivers
Hydrology metrics for this exact territory
Basins crossed
2
Max drainage
922km²
Discharge in basins
0,2m³/s
Mean precip.
1 033mm/an
Mean T°
27,2°C
Moisture idx
-0,39
Mean runoff
211mm/an
Mean elev. (basins)
83m
Watersheds crossing here
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
5hab/km²
Night light
0,3nW
Built-up
228,5%
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