Ontologia

Commune · BGD

Satkhira Sadar

Bangladesh

AwTropical, savannah(100 %)

Species observed

124

Observations

1 121

Area

394,1km²

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 Satkhira Sadar : 28 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 43 interactions GloBI sur 4 types (connectance 8.1%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
43
Connectance
0.081
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

124 distinct species · 1 121 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 121 obs · 7 cellules
Obs. / cellule
≥ 663
663–662
93–662
86–92
< 86

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

Climate

Mean T°

26,0°C

Annual rain

1 811mm

Warmest m°

34,2°C

Coldest m°

13,4°C

Elevation: 2 m on average (min 1 m, max 5 m)

Bioclimatic detailsExpert
Annual mean temp.
26,0°C
Annual rain
1 811mm
Warmest month
34,2°C
Coldest month
13,4°C
Mean alt.
2m
Min
1m
Max
5m
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

6,0

Org. C

30,9g/kg

Clay

36,8%

Sand

12,5%

Silt

50,7%

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

Dominant lithology: wbGLiMaggregated to Satkhira

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
36,1g/kg
Clay
36,7%
Sand
12,6%
Silt
50,7%
5–15 cm
pH H₂O
6,0
Org. C
30,6g/kg
Clay
37,1%
Sand
12,2%
Silt
50,6%
15–30 cm
pH H₂O
6,1
Org. C
26,0g/kg
Clay
36,7%
Sand
12,5%
Silt
50,8%

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

Land cover

Forest16.5%
Crops57.4%
Built-up1.9%
Bare soil0.3%
Other (grassland, water…)23.9%

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

Hydrology4 basins · 15 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

34,5km

Lake surface here

13,74km²

Basins crossed

4

Max stream order

5

Max drainage

4 420km²

Discharge in basins

22,8m³/s

Mean precip.

1 645mm/an

Mean T°

26,2°C

Moisture idx

0,06

Mean runoff

813mm/an

Mean elev. (basins)

5m

Watersheds crossing here

Lakes (15, top by area)

6 more lakes

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

Human pressure

Pop. density

11hab/km²

Night light

0,7nW

Built-up

193,9%

Pesticides

12,9kg/km²

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

Sub-administrations13