HydroBASINS lev08 watershed · #4080029620
Bassin de Karamana 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 2 administrative regions : Thiruvananthapuram, Tirunelveli
Sub-basin area
524,5km²
Upstream area
524,7km²
Discharge
10,62m³/s
Mean elev.
164m
Administrative coverage
2 dept-equivalent regions (GADM L2)
- 499.9 km²95.7% of basin
- Tirunelveli22.4 km²4.3% of basin
1 intersecting protected areas
Western Ghats
IUCN Not ApplicableWorld Heritage Site (natural or mixed)
90.63 km² overlap
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
1 640 distinct species · 170 775 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 28 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 Karamana River : 21 espèces reliées par 36 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 7 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°
26,3°C
Annual rain
1 654mm
Moisture idx (CMI)
0,17
Runoff
686mm/an
PET
1 359mm
AET
1 114mm
Mean slope
5,7°
Water table
232cm
Forest
64%
Crops
56%
Urban
46%
Protected
4%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)