Basse Vallée du Couffo, Lagune Côtiere, Chenal Aho, Lac Ahémé
IUCN VWetland of International Importance (Ramsar Site) · 2000
5 245 km²
Commune · BEN
Tanvé
Benin
AwTropical, savannah(100 %)
Species observed
597
Observations
2 959
Area
67,4km²
Ecological tissue
Sample of 10 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 Tanvé : 9 espèces + 1 bulle famille, 8 interactions GloBI documentées sur 1 type (connectance 17.8%, filtre Serrano α=0.2). Les 1 bulle regroupe des espèces visuellement absorbées par famille (≥3 espèces visibles).
Espèces affichées
10
Interactions affichées
8
Connectance
0.178
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
597 distinct species · 2 959 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,7°C
Annual rain
1 089mm
Warmest m°
34,9°C
Coldest m°
21,7°C
Elevation: 133 m on average (min 70 m, max 205 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,7°C
Annual rain
1 089mm
Warmest month
34,9°C
Coldest month
21,7°C
Mean alt.
133m
Min
70m
Max
205m
Std. dev.
41m
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
16,0g/kg
Clay
18,9%
Sand
64,3%
Silt
16,8%
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
26,9g/kg
Clay
21,0%
Sand
61,5%
Silt
17,5%
5–15 cm
pH H₂O
6,2
Org. C
13,5g/kg
Clay
16,8%
Sand
66,2%
Silt
16,9%
15–30 cm
pH H₂O
6,2
Org. C
7,6g/kg
Clay
18,8%
Sand
65,1%
Silt
16,1%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest21.0%
Crops36.7%
Built-up1.5%
Bare soil0.1%
Other (grassland, water…)40.7%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 0 lakes · 1 rivers
Hydrology metrics for this exact territory
Stream length here
6,5km
Basins crossed
2
Max stream order
4
Max drainage
3 664km²
Discharge in basins
0,6m³/s
Mean precip.
1 028mm/an
Mean T°
27,3°C
Moisture idx
-0,40
Mean runoff
263mm/an
Mean elev. (basins)
104m
Watersheds crossing here
Rivers / streams (1, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
2hab/km²
Night light
0,1nW
Built-up
146,5%
Pesticides
14,5kg/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