Ontologia

Commune · BGD

Chirirbandar

Bangladesh

CwaTemperate, dry winter, hot summer(100 %)

Species observed

31

Observations

48

Area

317,4km²

Ecological tissue

Sample of 13 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 Chirirbandar : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 11 interactions GloBI sur 2 types (connectance 14.1%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
11
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

31 distinct species · 48 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

48 obs · 4 cellules
Obs. / cellule
≥ 20
20–19
15–19
15–14
< 15

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

Climate

Mean T°

24,8°C

Annual rain

2 147mm

Warmest m°

33,2°C

Coldest m°

11,2°C

Elevation: 36 m on average (min 31 m, max 42 m)

Bioclimatic detailsExpert
Annual mean temp.
24,8°C
Annual rain
2 147mm
Warmest month
33,2°C
Coldest month
11,2°C
Mean alt.
36m
Min
31m
Max
42m
Std. dev.
3m
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

6,3

Org. C

14,7g/kg

Clay

32,1%

Sand

25,1%

Silt

42,8%

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

Dominant lithology: ssGLiMaggregated to Dinajpur

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
19,2g/kg
Clay
31,7%
Sand
25,2%
Silt
43,1%
5–15 cm
pH H₂O
6,3
Org. C
14,6g/kg
Clay
31,9%
Sand
25,3%
Silt
42,8%
15–30 cm
pH H₂O
6,4
Org. C
10,4g/kg
Clay
32,6%
Sand
24,8%
Silt
42,7%

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

Land cover

Forest8.9%
Crops78.5%
Built-up1.4%
Bare soil0.1%
Other (grassland, water…)11.1%

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

Hydrology4 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

62,6km

Basins crossed

4

Max stream order

4

Max drainage

2 995km²

Discharge in basins

34,0m³/s

Mean precip.

1 829mm/an

Mean T°

25,0°C

Moisture idx

0,17

Mean runoff

1 086mm/an

Mean elev. (basins)

35m

Watersheds crossing here

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

Human pressure

Pop. density

8hab/km²

Night light

0,3nW

Built-up

138,0%

Pesticides

12,5kg/km²

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

Sub-administrations8