HydroBASINS lev08 watershed · #4080994580
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, Puruliya
Sub-basin area
270,6km²
Upstream area
14 336km²
Discharge
350,24m³/s
Mean elev.
169m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Garra Nadi709 km²
- Bassin de Subarnarekha River48 km²
2 dept-equivalent regions (GADM L2)
- 269.9 km²100.0% of basin
- Puruliya0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
187 distinct species · 1 023 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 43 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 : 40 espèces reliées par 46 interactions GloBI sur 3 types (connectance 5.1%, 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°
26,4°C
Annual rain
1 252mm
Moisture idx (CMI)
-0,25
Runoff
785mm/an
PET
1 669mm
AET
875mm
Mean slope
5,0°
Water table
240cm
Forest
34%
Crops
50%
Urban
19%
Protected
59%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)