Ontologia

Subdivision · BGD

Chalak Char

Bangladesh

CwaTemperate, dry winter, hot summer(100 %)

Species observed

0

Observations

0

Area

13,9km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Not enough documented interactions to build a meaningful graph for this territory.

Species present

0 distinct species · 0 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

0 obs · 0 cellules

Aucune observation géoréférencée précise (<10 km) dans ce territoire.

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

25,2°C

Annual rain

2 335mm

Warmest m°

31,9°C

Coldest m°

12,6°C

Elevation: 7 m on average (min 6 m, max 8 m)

Bioclimatic detailsExpert
Annual mean temp.
25,2°C
Annual rain
2 335mm
Warmest month
31,9°C
Coldest month
12,6°C
Mean alt.
7m
Min
6m
Max
8m
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

5,4

Org. C

17,4g/kg

Clay

31,6%

Sand

34,2%

Silt

34,2%

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

Dominant lithology: suGLiMaggregated to Narsingdi

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
18,1g/kg
Clay
27,6%
Sand
36,8%
Silt
35,7%
5–15 cm
pH H₂O
5,4
Org. C
15,9g/kg
Clay
30,4%
Sand
35,0%
Silt
34,6%
15–30 cm
pH H₂O
5,4
Org. C
18,1g/kg
Clay
36,9%
Sand
30,7%
Silt
32,3%

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

Land cover

Forest35.5%
Crops44.7%
Built-up1.5%
Bare soil0.0%
Other (grassland, water…)18.4%

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

Hydrology1 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

1

Max drainage

229km²

Discharge in basins

0,7m³/s

Mean precip.

2 165mm/an

Mean T°

25,6°C

Moisture idx

0,33

Mean runoff

1 551mm/an

Mean elev. (basins)

13m

Watersheds crossing here

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

Human pressure

Pop. density

13hab/km²

Night light

0,2nW

Built-up

145,7%

Pesticides

14,7kg/km²

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