Ontologia

Subdivision · BGD

Arankhola

Bangladesh

CwaTemperate, dry winter, hot summer(100 %)

Species observed

126

Observations

286

Area

162,3km²

Ecological tissue

Sample of 33 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 Arankhola : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 30 interactions GloBI sur 3 types (connectance 5.7%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
30
Connectance
0.057
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

126 distinct species · 286 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

286 obs · 4 cellules
Obs. / cellule
≥ 156
156–155
104–155
104–103
< 104

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

Climate

Mean T°

25,0°C

Annual rain

2 262mm

Warmest m°

32,2°C

Coldest m°

12,3°C

Elevation: 19 m on average (min 12 m, max 28 m)

Bioclimatic detailsExpert
Annual mean temp.
25,0°C
Annual rain
2 262mm
Warmest month
32,2°C
Coldest month
12,3°C
Mean alt.
19m
Min
12m
Max
28m
Std. dev.
3m
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

6,0

Org. C

16,9g/kg

Clay

28,2%

Sand

29,3%

Silt

42,4%

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

Dominant lithology: suGLiMaggregated to Tangail

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
20,3g/kg
Clay
26,1%
Sand
30,3%
Silt
43,5%
5–15 cm
pH H₂O
6,0
Org. C
17,5g/kg
Clay
27,3%
Sand
29,7%
Silt
43,0%
15–30 cm
pH H₂O
6,1
Org. C
12,8g/kg
Clay
31,2%
Sand
28,0%
Silt
40,7%

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

Land cover

Forest55.4%
Crops29.3%
Built-up0.6%
Bare soil0.0%
Other (grassland, water…)14.6%

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

Hydrology2 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

2,8km

Basins crossed

2

Max stream order

3

Max drainage

1 508km²

Discharge in basins

8,3m³/s

Mean precip.

2 029mm/an

Mean T°

25,5°C

Moisture idx

0,28

Mean runoff

1 604mm/an

Mean elev. (basins)

17m

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

Human pressure

Pop. density

3hab/km²

Night light

0,1nW

Built-up

64,3%

Pesticides

14,1kg/km²

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

Protected areas1

IUCN IV · 1

Madhupur

IUCN IV

National Park · 1982

83 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN