HydroBASINS lev08 watershed · #4080028720
Bassin · #4080028720
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 1 administrative regions : Cuddalore
Sub-basin area
56,6km²
Upstream area
56,6km²
Discharge
0,81m³/s
Mean elev.
5m
Administrative coverage
1 dept-equivalent regions (GADM L2)
- Cuddalore50.0 km²88.6% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
30 distinct species · 106 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 15 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 · #4080028720 : 15 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 11 interactions GloBI sur 3 types (connectance 10.5%, 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°
28,4°C
Annual rain
1 237mm
Moisture idx (CMI)
-0,23
Runoff
453mm/an
PET
1 615mm
AET
850mm
Mean slope
0,2°
Water table
28cm
Forest
3%
Crops
100%
Urban
86%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)