Ontologia

Commune · BGD

Bhola Sadar

Bangladesh

AmTropical, monsoon(92 %)

Species observed

147

Observations

2 725

Area

307,6km²

Ecological tissue

Sample of 24 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 Bhola Sadar : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 3 types (connectance 14.1%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
39
Connectance
0.141
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

147 distinct species · 2 725 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 725 obs · 5 cellules
Obs. / cellule
≥ 1 999
1 999–1 998
405–1 998
156–404
< 156

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

Climate

Mean T°

26,0°C

Annual rain

2 458mm

Warmest m°

32,0°C

Coldest m°

15,5°C

Elevation: 3 m on average (min -13 m, max 7 m)

Bioclimatic detailsExpert
Annual mean temp.
26,0°C
Annual rain
2 458mm
Warmest month
32,0°C
Coldest month
15,5°C
Mean alt.
3m
Min
-13m
Max
7m
Std. dev.
2m
Köppen-Geiger (dominant)
AmTropical, monsoon(92 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,6

Org. C

31,5g/kg

Clay

31,9%

Sand

27,3%

Silt

40,8%

Average over 0-30 cm. Per-depth details in expert panel.

Dominant lithology: suGLiMaggregated to Bhola

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
34,2g/kg
Clay
30,0%
Sand
28,7%
Silt
41,3%
5–15 cm
pH H₂O
5,6
Org. C
32,0g/kg
Clay
31,2%
Sand
27,7%
Silt
41,1%
15–30 cm
pH H₂O
5,6
Org. C
28,2g/kg
Clay
34,5%
Sand
25,6%
Silt
39,9%

SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)

Land cover

Forest36.9%
Crops33.2%
Built-up0.9%
Bare soil0.3%
Other (grassland, water…)28.7%

Copernicus Global Land Cover 100m (Buchhorn et al. 2020)

Hydrology2 basins · 0 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

20,1km

Basins crossed

2

Max stream order

2

Max drainage

945km²

Discharge in basins

13,3m³/s

Mean precip.

2 375mm/an

Mean T°

25,8°C

Moisture idx

0,39

Mean runoff

1 831mm/an

Mean elev. (basins)

5m

Watersheds crossing here

Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10

Human pressure

Pop. density

12hab/km²

Night light

0,5nW

Built-up

95,1%

Pesticides

15,7kg/km²

GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)

Sub-administrations13