HydroBASINS lev08 watershed · #4080789760
Bassin de Kosi
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 3 administrative regions : Almora, Nainital, Udham Singh Nagar
Sub-basin area
1 026,9km²
Upstream area
1 879km²
Discharge
36,61m³/s
Mean elev.
1 269m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Kosi459 km²
- Bassin de Kundal Gad393 km²
3 dept-equivalent regions (GADM L2)
- 714.9 km²69.7% of basin
- Almora298.7 km²29.1% of basin
- 12.0 km²1.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 149 distinct species · 229 703 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 Kosi : 26 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 31 interactions GloBI sur 2 types (connectance 7.6%, filtre Serrano α=0.2). 3 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°
17,1°C
Annual rain
1 733mm
Moisture idx (CMI)
0,27
Runoff
594mm/an
PET
1 245mm
AET
929mm
Mean slope
18,6°
Water table
650cm
Forest
51%
Crops
34%
Urban
12%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)