Ontologia

Subdivision · BGD

Char Ishwar

Bangladesh

AmTropical, monsoon(100 %)

Species observed

74

Observations

949

Area

47km²

Ecological tissue

Sample of 22 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 Ishwar : 15 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 29 interactions GloBI sur 3 types (connectance 12.6%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
22
Interactions affichées
29
Connectance
0.126
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

74 distinct species · 949 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

949 obs · 1 cellules
Obs. / cellule
≥ 949
949–948
949–948
949–948
< 949

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

3 473mm

Warmest m°

29,4°C

Coldest m°

18,5°C

Elevation: 3 m on average (min -10 m, max 7 m)

Bioclimatic detailsExpert
Annual mean temp.
25,9°C
Annual rain
3 473mm
Warmest month
29,4°C
Coldest month
18,5°C
Mean alt.
3m
Min
-10m
Max
7m
Std. dev.
2m
Köppen-Geiger (dominant)
AmTropical, monsoon(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

23,2g/kg

Clay

36,1%

Sand

26,9%

Silt

37,1%

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

Dominant lithology: suGLiMaggregated to Noakhali

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
28,3g/kg
Clay
33,5%
Sand
28,5%
Silt
38,0%
5–15 cm
pH H₂O
5,5
Org. C
22,7g/kg
Clay
35,1%
Sand
27,6%
Silt
37,3%
15–30 cm
pH H₂O
5,5
Org. C
18,7g/kg
Clay
39,6%
Sand
24,5%
Silt
35,9%

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

Land cover

Forest30.4%
Crops41.4%
Built-up0.6%
Bare soil1.3%
Other (grassland, water…)26.3%

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 419km²

Discharge in basins

0,7m³/s

Mean precip.

2 918mm/an

Mean T°

25,8°C

Moisture idx

0,53

Mean runoff

2 107mm/an

Mean elev. (basins)

4m

Watersheds crossing here

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

Human pressure

Pop. density

14hab/km²

Night light

0,2nW

Built-up

62,7%

Pesticides

21,6kg/km²

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