HydroBASINS lev08 watershed · #4080962630
Bassin de মেঘনা 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 3 administrative regions : Brahamanbaria, Narayanganj, Narsingdi
Sub-basin area
219,5km²
Upstream area
69 147,1km²
Discharge
4 841,46m³/s
Mean elev.
7m
Administrative coverage
Hydrographic chain
▼ Drains into
▲ Receives from 2 basins
- Bassin de মেঘনা নদী145 km²
- Bassin de Ariyal Kha River123 km²
3 dept-equivalent regions (GADM L2)
- NarsingdiDhaka · Bangladesh134.8 km²61.5% of basin
- BrahamanbariaChittagong · Bangladesh53.9 km²24.6% of basin
- NarayanganjDhaka · Bangladesh30.4 km²13.9% of basin
Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.
Species present
61 distinct species · 211 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Ecological tissue
Sample of 29 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 মেঘনা নদী : 26 espèces reliées par 30 interactions GloBI sur 3 types (connectance 7.4%, 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°
25,9°C
Annual rain
2 058mm
Moisture idx (CMI)
0,30
Runoff
1 401mm/an
PET
1 446mm
AET
1 092mm
Mean slope
0,1°
Water table
9cm
Forest
0%
Crops
73%
Urban
86%
Protected
0%
HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)