HydroBASINS lev08 watershed · #4080912150
Bassin de Karmanasa
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 : Buxar, Ghazipur, Kaimur
Sub-basin area
81,2km²
Upstream area
6 560,9km²
Discharge
83,23m³/s
Mean elev.
68m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Karmanasa3212 km²
- Bassin de Karmanasa415 km²
3 dept-equivalent regions (GADM L2)
- Ghazipur53.9 km²66.6% of basin
- 26.0 km²32.1% of basin
- 1.0 km²1.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
26 distinct species · 26 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 14 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 Karmanasa : 12 espèces reliées par 12 interactions GloBI sur 2 types (connectance 13.2%, filtre Serrano α=0.2). 2 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
974mm
Moisture idx (CMI)
-0,42
Runoff
323mm/an
PET
1 692mm
AET
757mm
Mean slope
0,1°
Water table
8cm
Forest
0%
Crops
67%
Urban
17%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)