HydroBASINS lev08 watershed · #4081146350
Bassin de Kaveri
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 : Erode, Namakkal, Salem
Sub-basin area
321,3km²
Upstream area
51 726,1km²
Discharge
242,89m³/s
Mean elev.
218m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Bhavani1492 km²
- Bassin de Kaveri57 km²
3 dept-equivalent regions (GADM L2)
- Namakkal127.2 km²39.8% of basin
- Salem107.8 km²33.7% of basin
- Erode85.0 km²26.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
383 distinct species · 5 729 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 36 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 Kaveri : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 46 interactions GloBI sur 3 types (connectance 6.2%, filtre Serrano α=0.2). 11 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°
28,1°C
Annual rain
725mm
Moisture idx (CMI)
-0,60
Runoff
47mm/an
PET
1 804mm
AET
612mm
Mean slope
1,5°
Water table
302cm
Forest
30%
Crops
71%
Urban
70%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)