HydroBASINS lev08 watershed · #4080908910
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 2 administrative regions : Buxar, Ghazipur
Sub-basin area
138,6km²
Upstream area
8 115,6km²
Discharge
101,92m³/s
Mean elev.
67m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Dharmauti1416 km²
- Bassin de Karmanasa81 km²
2 dept-equivalent regions (GADM L2)
- 95.0 km²68.7% of basin
- Ghazipur43.2 km²31.3% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
30 distinct species · 49 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 12 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 8 interactions GloBI sur 2 types (connectance 12.1%, filtre Serrano α=0.2).
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
956mm
Moisture idx (CMI)
-0,43
Runoff
330mm/an
PET
1 683mm
AET
750mm
Mean slope
0,1°
Water table
11cm
Forest
0%
Crops
62%
Urban
11%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)