Ontologia

Subdivision · BGD

Char Kalekhan

Bangladesh

AwTropical, savannah(100 %)

Species observed

12

Observations

13

Area

20,5km²

Partial data for this territory

Few observations recorded here. Real biodiversity is likely richer.

Ecological tissue

Sample of 4 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 Char Kalekhan : 4 espèces reliées par 3 interactions GloBI sur 2 types (connectance 50.0%, filtre Serrano α=0.2).

Espèces affichées
4
Interactions affichées
3
Connectance
0.500
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

12 distinct species · 13 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 obs · 1 cellules
Obs. / cellule
≥ 13
13–12
13–12
13–12
< 13

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

Climate

Mean T°

25,9°C

Annual rain

2 246mm

Warmest m°

32,7°C

Coldest m°

14,6°C

Elevation: 4 m on average (min 3 m, max 5 m)

Bioclimatic detailsExpert
Annual mean temp.
25,9°C
Annual rain
2 246mm
Warmest month
32,7°C
Coldest month
14,6°C
Mean alt.
4m
Min
3m
Max
5m
Std. dev.
0m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

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

Soil & lithology

pH H₂O

5,5

Org. C

24,7g/kg

Clay

29,8%

Sand

22,9%

Silt

47,3%

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

Dominant lithology: suGLiMaggregated to Barisal

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
28,9g/kg
Clay
27,6%
Sand
24,2%
Silt
48,2%
5–15 cm
pH H₂O
5,5
Org. C
28,3g/kg
Clay
28,3%
Sand
23,3%
Silt
48,4%
15–30 cm
pH H₂O
5,5
Org. C
17,0g/kg
Clay
33,5%
Sand
21,1%
Silt
45,4%

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

Land cover

Forest41.8%
Crops37.0%
Built-up0.4%
Bare soil0.2%
Other (grassland, water…)20.6%

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

1 915km²

Discharge in basins

1,0m³/s

Mean precip.

1 953mm/an

Mean T°

25,9°C

Moisture idx

0,24

Mean runoff

1 557mm/an

Mean elev. (basins)

7m

Watersheds crossing here

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

Human pressure

Pop. density

5hab/km²

Night light

0,0nW

Built-up

37,6%

Pesticides

15,3kg/km²

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