HydroBASINS lev08 watershed · #4080870060
Bassin de Brahmaputra
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 4 administrative regions : Golaghat, Jorhat, Lakhimpur, Sonitpur
Sub-basin area
502km²
Upstream area
355 030,9km²
Discharge
13 693,56m³/s
Mean elev.
80m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Melak-Jhanji2373 km²
- Bassin de Dikrong River2300 km²
4 dept-equivalent regions (GADM L2)
- 322.3 km²64.3% of basin
- 86.0 km²17.2% of basin
- 47.0 km²9.4% of basin
- 45.8 km²9.1% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
121 distinct species · 666 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 34 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 Brahmaputra : 27 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 3 types (connectance 6.8%, 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°
24,1°C
Annual rain
2 398mm
Moisture idx (CMI)
0,40
Runoff
2 903mm/an
PET
1 433mm
AET
1 227mm
Mean slope
0,2°
Water table
9cm
Forest
0%
Crops
45%
Urban
1%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)