HydroBASINS lev08 watershed · #4080888500
Bassin de Um Khen
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 5 administrative regions : East Khasi Hills, Jaintia Hills, Karbi Anglong, Nagaon, Ri Bhoi
Sub-basin area
1 882,6km²
Upstream area
1 882,6km²
Discharge
183,69m³/s
Mean elev.
729m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 0 basins
Source / headwater (no upstream basin)
5 dept-equivalent regions (GADM L2)
- 1031.4 km²54.9% of basin
- 272.4 km²14.5% of basin
- 252.3 km²13.4% of basin
- 187.3 km²10.0% of basin
- 135.4 km²7.2% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
351 distinct species · 2 087 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 20 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 Um Khen : 18 espèces reliées par 18 interactions GloBI sur 4 types (connectance 8.6%, filtre Serrano α=0.2). 3 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°
21,0°C
Annual rain
2 810mm
Moisture idx (CMI)
0,49
Runoff
3 073mm/an
PET
1 291mm
AET
1 056mm
Mean slope
7,7°
Water table
292cm
Forest
24%
Crops
13%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)