Ontologia

Commune · IND

Dhaka

India

CwaTemperate, dry winter, hot summer(100 %)

Species observed

82

Observations

103

Area

1 326,5km²

Ecological tissue

Sample of 36 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 Dhaka : 31 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 4 types (connectance 5.2%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
33
Connectance
0.052
Patrimoniales
4
Plus dense que (national)0 %(top 100%)

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

Species present

82 distinct species · 103 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

103 obs · 14 cellules
Obs. / cellule
≥ 52
11–51
5–10
3–4
< 3

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

Climate

Mean T°

25,4°C

Annual rain

1 463mm

Warmest m°

36,6°C

Coldest m°

10,2°C

Elevation: 65 m on average (min 57 m, max 82 m)

Bioclimatic detailsExpert
Annual mean temp.
25,4°C
Annual rain
1 463mm
Warmest month
36,6°C
Coldest month
10,2°C
Mean alt.
65m
Min
57m
Max
82m
Std. dev.
5m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(100 %)Temperate

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

Soil & lithology

pH H₂O

6,8

Org. C

14,7g/kg

Clay

27,9%

Sand

30,0%

Silt

42,1%

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

Dominant lithology: suGLiMaggregated to Purba Champaran

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
21,2g/kg
Clay
28,9%
Sand
29,5%
Silt
41,5%
5–15 cm
pH H₂O
6,8
Org. C
14,1g/kg
Clay
28,2%
Sand
29,7%
Silt
42,1%
15–30 cm
pH H₂O
6,9
Org. C
8,8g/kg
Clay
26,6%
Sand
30,7%
Silt
42,6%

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

Land cover

Forest6.6%
Crops83.3%
Built-up2.1%
Bare soil1.0%
Other (grassland, water…)7.0%

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

Hydrology7 basins · 7 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

127,6km

Lake surface here

2,91km²

Basins crossed

7

Max stream order

5

Max drainage

9 799km²

Discharge in basins

119,0m³/s

Mean precip.

1 295mm/an

Mean T°

24,8°C

Moisture idx

-0,19

Mean runoff

612mm/an

Mean elev. (basins)

80m

Watersheds crossing here

Lakes (7, top by area)

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

Human pressure

Pop. density

13hab/km²

Night light

1,7nW

Built-up

213,1%

Pesticides

1,9kg/km²

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