HydroBASINS lev08 watershed · #4080029900
Bassin de Chaliyar River
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 : Kozhikode, Malappuram, Wayanad
Sub-basin area
490,6km²
Upstream area
2 982,3km²
Discharge
168,06m³/s
Mean elev.
101m
Administrative coverage
Hydrographic chain
▼ Drains into
Outlet (drains to ocean / endorheic)
▲ Receives from 2 basins
- Bassin de Chaliyar River455 km²
- Bassin de Iruvazhinji River319 km²
3 dept-equivalent regions (GADM L2)
- 357.1 km²73.1% of basin
- 113.8 km²23.3% of basin
- 15.5 km²3.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 057 distinct species · 61 017 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 32 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 Chaliyar River : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 30 interactions GloBI sur 3 types (connectance 6.0%, filtre Serrano α=0.2). 4 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°
26,9°C
Annual rain
3 189mm
Moisture idx (CMI)
0,54
Runoff
1 999mm/an
PET
1 476mm
AET
1 094mm
Mean slope
6,2°
Water table
184cm
Forest
61%
Crops
75%
Urban
65%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)