HydroBASINS lev08 watershed · #4080700090
Bassin de Spiti River
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 1 administrative regions : Lahul & Spiti
Sub-basin area
236,1km²
Upstream area
1 997,4km²
Discharge
97,62m³/s
Mean elev.
4 447m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Shila Lungpa454 km²
- Bassin de Ratang River229 km²
1 dept-equivalent regions (GADM L2)
- 236.0 km²100.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
197 distinct species · 2 717 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 31 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 Spiti River : 24 espèces reliées par 50 interactions GloBI sur 4 types (connectance 10.1%, 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°
0,1°C
Annual rain
541mm
Moisture idx (CMI)
-0,19
Runoff
932mm/an
PET
675mm
AET
458mm
Mean slope
24,5°
Water table
613cm
Forest
0%
Crops
0%
Urban
0%
Protected
20%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)