HydroBASINS lev08 watershed · #4080990070
Bassin de Subarnarekha 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 2 administrative regions : Purbi Singhbhum, Saraikela-kharsawan
Sub-basin area
362,7km²
Upstream area
13 046,3km²
Discharge
318,42m³/s
Mean elev.
209m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Subarnarekha River888 km²
- Bassin de Kharkai River154 km²
2 dept-equivalent regions (GADM L2)
- 342.7 km²94.7% of basin
- 19.2 km²5.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
610 distinct species · 11 711 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Subarnarekha River : 29 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 35 interactions GloBI sur 3 types (connectance 6.2%, 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°
26,3°C
Annual rain
1 291mm
Moisture idx (CMI)
-0,23
Runoff
758mm/an
PET
1 675mm
AET
872mm
Mean slope
5,1°
Water table
269cm
Forest
32%
Crops
41%
Urban
42%
Protected
67%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)