HydroBASINS lev08 watershed · #4080915780
Bassin de Tons
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 2 administrative regions : Allahabad, Rewa
Sub-basin area
1 229,1km²
Upstream area
17 375,1km²
Discharge
211,54m³/s
Mean elev.
106m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Tons1306 km²
- Bassin de Belan184 km²
2 dept-equivalent regions (GADM L2)
- 1204.9 km²98.2% of basin
- Rewa21.7 km²1.8% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
167 distinct species · 381 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 Tons : 34 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 54 interactions GloBI sur 3 types (connectance 6.0%, filtre Serrano α=0.2). 9 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°
25,9°C
Annual rain
885mm
Moisture idx (CMI)
-0,49
Runoff
299mm/an
PET
1 741mm
AET
721mm
Mean slope
0,3°
Water table
31cm
Forest
1%
Crops
81%
Urban
2%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)