HydroBASINS lev08 watershed · #1080965060
Bassin de Sô
A watershed (drainage basin) is not a body of water — it is the land area where rainfall converges towards a single river that eventually reaches the sea (or an endorheic basin). Boundaries follow ridgelines.
Crosses 14 administrative regions : Abomey, Abomey-Calavi, Adjohoun, Agbangnizoun, Allada +9
Sub-basin area
2 064km²
Upstream area
2 064km²
Discharge
18,59m³/s
Mean elev.
72m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
14 dept-equivalent regions (GADM L2)
- 623.2 km²30.3% of basin
- Zè510.6 km²24.8% of basin
- Toffo255.2 km²12.4% of basin
- 181.1 km²8.8% of basin
- 147.1 km²7.2% of basin
- 71.7 km²3.5% of basin
- Sô-Ava58.8 km²2.9% of basin
- 48.5 km²2.4% of basin
6 moreFull L2 list
- Djidja47.1 km² · 2.3%
- Agbangnizoun42.3 km² · 2.1%
- Adjohoun40.9 km² · 2.0%
- Bonou16.2 km² · 0.8%
- Dangbo9.4 km² · 0.5%
- Allada2.9 km² · 0.1%
6 intersecting protected areas
Wetland of International Importance (Ramsar Site)
1744.11 km² overlap
La Lama Nord
IUCN Not ReportedClassified Forest
92.47 km² overlap
Djigbé
IUCN Not ReportedClassified Forest
38.40 km² overlap
Agrimey
IUCN Not ReportedClassified Forest
30.55 km² overlap
La Lama-Sud
IUCN Not ReportedClassified Forest
16.79 km² overlap
Wetland of International Importance (Ramsar Site)
7.84 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
3 061 distinct species · 131 896 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 30 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).
Indicateurs du tissu écologique
Tissu écologique de Bassin de Sô : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 4 types (connectance 6.7%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Hydroclimate (BasinATLAS lev08)
Mean T°
27,5°C
Annual rain
1 090mm
Moisture idx (CMI)
-0,35
Runoff
272mm/an
PET
1 682mm
AET
920mm
Mean slope
0,9°
Water table
111cm
Forest
35%
Crops
26%
Urban
22%
Protected
9%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)