Ontologia

Subdivision · BGD

Akter Char

Bangladesh

AwTropical, savannah(100 %)

Species observed

90

Observations

404

Area

32km²

Ecological tissue

Sample of 27 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 Akter Char : 19 espèces reliées par 40 interactions GloBI sur 3 types (connectance 11.4%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
40
Connectance
0.114
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

90 distinct species · 404 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

404 obs · 1 cellules
Obs. / cellule
≥ 404
404–403
404–403
404–403
< 404

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

Climate

Mean T°

25,8°C

Annual rain

2 034mm

Warmest m°

33,1°C

Coldest m°

13,8°C

Elevation: 6 m on average (min 2 m, max 7 m)

Bioclimatic detailsExpert
Annual mean temp.
25,8°C
Annual rain
2 034mm
Warmest month
33,1°C
Coldest month
13,8°C
Mean alt.
6m
Min
2m
Max
7m
Std. dev.
1m
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

47,9g/kg

Clay

29,6%

Sand

23,7%

Silt

46,6%

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

Dominant lithology: wbGLiMaggregated to Faridpur

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
54,3g/kg
Clay
27,6%
Sand
25,2%
Silt
47,3%
5–15 cm
pH H₂O
5,5
Org. C
40,0g/kg
Clay
29,2%
Sand
23,8%
Silt
47,0%
15–30 cm
pH H₂O
5,5
Org. C
49,4g/kg
Clay
32,1%
Sand
22,3%
Silt
45,6%

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

Land cover

Forest9.9%
Crops52.3%
Built-up2.1%
Bare soil0.3%
Other (grassland, water…)35.5%

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

Hydrology2 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

3,8km

Basins crossed

2

Max stream order

2

Max drainage

1 485 848km²

Discharge in basins

1 427,1m³/s

Mean precip.

1 876mm/an

Mean T°

25,6°C

Moisture idx

0,21

Mean runoff

1 335mm/an

Mean elev. (basins)

5m

Watersheds crossing here

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

Human pressure

Pop. density

8hab/km²

Night light

0,2nW

Built-up

205,6%

Pesticides

15,7kg/km²

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