Ontologia

Subdivision · BGD

Chehelgazi

Bangladesh

CwaTemperate, dry winter, hot summer(100 %)

Species observed

46

Observations

90

Area

41,8km²

Ecological tissue

Sample of 16 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 Chehelgazi : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 15 interactions GloBI sur 3 types (connectance 12.5%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
16
Interactions affichées
15
Connectance
0.125
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

46 distinct species · 90 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

90 obs · 1 cellules
Obs. / cellule
≥ 90
90–89
90–89
90–89
< 90

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

Climate

Mean T°

24,9°C

Annual rain

2 094mm

Warmest m°

33,4°C

Coldest m°

11,1°C

Elevation: 36 m on average (min 34 m, max 38 m)

Bioclimatic detailsExpert
Annual mean temp.
24,9°C
Annual rain
2 094mm
Warmest month
33,4°C
Coldest month
11,1°C
Mean alt.
36m
Min
34m
Max
38m
Std. dev.
1m
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

13,7g/kg

Clay

31,7%

Sand

26,8%

Silt

41,4%

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
6,3
Org. C
18,0g/kg
Clay
31,4%
Sand
26,7%
Silt
41,8%
5–15 cm
pH H₂O
6,3
Org. C
13,8g/kg
Clay
31,7%
Sand
27,2%
Silt
41,1%
15–30 cm
pH H₂O
6,4
Org. C
9,2g/kg
Clay
32,0%
Sand
26,6%
Silt
41,4%

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

Land cover

Forest9.2%
Crops64.6%
Built-up3.6%
Bare soil0.3%
Other (grassland, water…)22.3%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

9,5km

Basins crossed

2

Max stream order

4

Max drainage

2 995km²

Discharge in basins

3,4m³/s

Mean precip.

1 753mm/an

Mean T°

25,0°C

Moisture idx

0,13

Mean runoff

1 051mm/an

Mean elev. (basins)

36m

Watersheds crossing here

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

Human pressure

Pop. density

15hab/km²

Night light

1,4nW

Built-up

361,0%

Pesticides

12,6kg/km²

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