HydroBASINS lev08 watershed · #4080760940
Bassin de Yamuna
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 : Dehradun, Saharanpur, Sirmaur, Yamunanagar
Sub-basin area
217,9km²
Upstream area
11 452km²
Discharge
212,26m³/s
Mean elev.
404m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Bata Nadi269 km²
- Bassin de Yamuna52 km²
4 dept-equivalent regions (GADM L2)
- Saharanpur143.3 km²65.8% of basin
- 55.6 km²25.5% of basin
- 10.3 km²4.7% of basin
- 8.5 km²3.9% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
281 distinct species · 2 280 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 Yamuna : 25 espèces reliées par 33 interactions GloBI sur 3 types (connectance 7.6%, filtre Serrano α=0.2). 5 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°
23,4°C
Annual rain
1 758mm
Moisture idx (CMI)
0,08
Runoff
478mm/an
PET
1 598mm
AET
986mm
Mean slope
4,4°
Water table
250cm
Forest
41%
Crops
39%
Urban
46%
Protected
3%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)