HydroBASINS lev08 watershed · #4080949680
Bassin de নরসুন্দা নদী
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 : Brahamanbaria, Kishoreganj, Mymensingh, Netrakona
Sub-basin area
1 679,3km²
Upstream area
24 059,9km²
Discharge
2 462,1m³/s
Mean elev.
11m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de Dalai River1854 km²
- Bassin de সুরমা নদী1414 km²
4 dept-equivalent regions (GADM L2)
- KishoreganjDhaka · Bangladesh993.2 km²59.3% of basin
- MymensinghMymensingh · Bangladesh563.4 km²33.6% of basin
- NetrakonaMymensingh · Bangladesh119.0 km²7.1% of basin
- BrahamanbariaChittagong · Bangladesh0.0 km²0.0% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
106 distinct species · 456 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 37 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 নরসুন্দা নদী : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 52 interactions GloBI sur 4 types (connectance 7.8%, filtre Serrano α=0.2). 9 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°
25,4°C
Annual rain
2 340mm
Moisture idx (CMI)
0,38
Runoff
1 854mm/an
PET
1 447mm
AET
1 107mm
Mean slope
0,1°
Water table
5cm
Forest
0%
Crops
83%
Urban
35%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)