Ontologia

HydroBASINS lev08 watershed · #4080946520

Bassin de ব্রহ্মপুত্র

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 : Gazipur, Mymensingh

Pfafstetter: 45220270

Sub-basin area

66,4km²

Upstream area

2 489,5km²

Discharge

122,02m³/s

Mean elev.

14m

Administrative coverage

2 dept-equivalent regions (GADM L2)

Computed live · GADM 4.1 × HydroBASINS lev08 × WDPA · cached after first hit.

Species present

23 distinct species · 30 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

30 obs · 1 cellules
Obs. / cellule
≥ 30
30–29
30–29
30–29
< 30

Source : GBIF — observations agrégées par hexagones 0.027° × 0.027° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Ecological tissue

Sample of 8 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).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Bassin de ব্রহ্মপুত্র : 7 espèces reliées par 7 interactions GloBI sur 2 types (connectance 25.0%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
8
Interactions affichées
7
Connectance
0.250
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydroclimate (BasinATLAS lev08)

Mean T°

25,6°C

Annual rain

2 147mm

Moisture idx (CMI)

0,32

Runoff

1 563mm/an

PET

1 450mm

AET

1 091mm

Mean slope

0,2°

Water table

5cm

Forest

0%

Crops

82%

Urban

39%

Protected

0%

HydroATLAS BasinATLAS v10 (Linke et al. 2019) · HydroBASINS lev08 (Lehner & Grill 2013)