Ontologia

HydroBASINS lev08 watershed · #4080025370

Bassin de ভুলুয়া 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 : Feni, Lakshmipur, Noakhali

Pfafstetter: 45100902

Sub-basin area

919,4km²

Upstream area

919,4km²

Discharge

53,51m³/s

Mean elev.

8m

Administrative coverage

3 dept-equivalent regions (GADM L2)

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

Species present

222 distinct species · 2 690 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 690 obs · 13 cellules
Obs. / cellule
≥ 2 206
225–2 205
57–224
10–56
< 10

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

Ecological tissue

Sample of 25 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 ভুলুয়া নদী : 16 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 3 types (connectance 12.7%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
25
Interactions affichées
38
Connectance
0.127
Patrimoniales
2
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°

25,7°C

Annual rain

2 890mm

Moisture idx (CMI)

0,53

Runoff

2 035mm/an

PET

1 370mm

AET

1 049mm

Mean slope

0,0°

Water table

3cm

Forest

0%

Crops

47%

Urban

17%

Protected

0%

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