HydroBASINS lev08 watershed · #4080904850
Bassin de Sai
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 4 administrative regions : Amethi, Jaunpur, Pratapgarh, Sultanpur
Sub-basin area
1 362,8km²
Upstream area
11 618,5km²
Discharge
64,34m³/s
Mean elev.
91m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Sai441 km²
- Bassin de Sai46 km²
4 dept-equivalent regions (GADM L2)
- Jaunpur701.3 km²51.6% of basin
- Pratapgarh601.6 km²44.2% of basin
- Sultanpur29.7 km²2.2% of basin
- Amethi27.6 km²2.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
132 distinct species · 681 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Sai : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 41 interactions GloBI sur 4 types (connectance 6.5%, filtre Serrano α=0.2). 8 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°
25,7°C
Annual rain
985mm
Moisture idx (CMI)
-0,43
Runoff
262mm/an
PET
1 714mm
AET
763mm
Mean slope
0,2°
Water table
18cm
Forest
0%
Crops
72%
Urban
4%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)