Ontologia

Commune · BGD

Barisal Sadar (Kotwali)

Bangladesh

AwTropical, savannah(94 %)

Species observed

251

Observations

16 599

Area

280,7km²

Ecological tissue

Sample of 29 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 Barisal Sadar (Kotwali) : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
44
Connectance
0.108
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

251 distinct species · 16 599 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

16 599 obs · 7 cellules
Obs. / cellule
≥ 13 862
13 862–13 861
467–13 861
130–466
< 130

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 339mm

Warmest m°

32,8°C

Coldest m°

14,7°C

Elevation: 3 m on average (min -6 m, max 4 m)

Bioclimatic detailsExpert
Annual mean temp.
25,9°C
Annual rain
2 339mm
Warmest month
32,8°C
Coldest month
14,7°C
Mean alt.
3m
Min
-6m
Max
4m
Std. dev.
1m
Köppen-Geiger (dominant)
AwTropical, savannah(94 %)Tropical

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

Soil & lithology

pH H₂O

5,6

Org. C

37,9g/kg

Clay

28,1%

Sand

24,3%

Silt

47,6%

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
5,6
Org. C
42,3g/kg
Clay
27,6%
Sand
24,6%
Silt
47,8%
5–15 cm
pH H₂O
5,6
Org. C
39,6g/kg
Clay
28,0%
Sand
24,2%
Silt
47,8%
15–30 cm
pH H₂O
5,6
Org. C
31,9g/kg
Clay
28,7%
Sand
24,0%
Silt
47,3%

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

Land cover

Forest32.9%
Crops36.7%
Built-up2.9%
Bare soil0.5%
Other (grassland, water…)27.0%

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

Hydrology5 basins · 0 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

42,8km

Basins crossed

5

Max stream order

4

Max drainage

1 915km²

Discharge in basins

4,3m³/s

Mean precip.

2 384mm/an

Mean T°

25,9°C

Moisture idx

0,38

Mean runoff

1 750mm/an

Mean elev. (basins)

6m

Watersheds crossing here

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

Human pressure

Pop. density

16hab/km²

Night light

1,3nW

Built-up

290,1%

Pesticides

15,6kg/km²

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

Sub-administrations40