HydroBASINS lev08 watershed · #4080855100
Bassin de Karwan Nadi
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 : Agra, Firozabad
Sub-basin area
34,6km²
Upstream area
4 211,9km²
Discharge
11,1m³/s
Mean elev.
166m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Karwan Nadi278 km²
- Bassin de Karwan Nadi166 km²
2 dept-equivalent regions (GADM L2)
- Firozabad34.1 km²98.8% of basin
- Agra0.4 km²1.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
27 distinct species · 61 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 10 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 Karwan Nadi : 10 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 9 interactions GloBI sur 2 types (connectance 20.0%, 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°
25,6°C
Annual rain
766mm
Moisture idx (CMI)
-0,56
Runoff
85mm/an
PET
1 741mm
AET
647mm
Mean slope
0,5°
Water table
65cm
Forest
2%
Crops
35%
Urban
31%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)