HydroBASINS lev08 watershed · #4080026390
Bassin de Krishnapur Canal
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 : Kolkata, North 24 Parganas, South 24 Parganas
Sub-basin area
635,2km²
Upstream area
635,2km²
Discharge
17,62m³/s
Mean elev.
4m
Administrative coverage
3 dept-equivalent regions (GADM L2)
- 519.0 km²81.9% of basin
- 96.0 km²15.1% of basin
- 18.3 km²2.9% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 226 distinct species · 188 396 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 Krishnapur Canal : 24 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 3 types (connectance 7.8%, filtre Serrano α=0.2). 6 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 642mm
Moisture idx (CMI)
0,07
Runoff
875mm/an
PET
1 529mm
AET
995mm
Mean slope
0,2°
Water table
8cm
Forest
0%
Crops
70%
Urban
98%
Protected
2%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)