Ontologia

Subdivision · BGD

Savar

Bangladesh

CwaTemperate, dry winter, hot summer(100 %)

Species observed

512

Observations

15 024

Area

7,7km²

Ecological tissue

Sample of 31 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 Savar : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 3 types (connectance 9.7%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
45
Connectance
0.097
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

512 distinct species · 15 024 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

15 024 obs · 1 cellules
Obs. / cellule
≥ 15 024
15 024–15 023
15 024–15 023
15 024–15 023
< 15 024

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

Climate

Mean T°

25,4°C

Annual rain

2 108mm

Warmest m°

32,7°C

Coldest m°

12,4°C

Elevation: 10 m on average (min 7 m, max 12 m)

Bioclimatic detailsExpert
Annual mean temp.
25,4°C
Annual rain
2 108mm
Warmest month
32,7°C
Coldest month
12,4°C
Mean alt.
10m
Min
7m
Max
12m
Std. dev.
2m
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

5,6

Org. C

21,2g/kg

Clay

33,8%

Sand

35,2%

Silt

30,9%

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

Dominant lithology: suGLiMaggregated to Dhaka

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
21,8g/kg
Clay
29,7%
Sand
38,1%
Silt
32,1%
5–15 cm
pH H₂O
5,6
Org. C
23,0g/kg
Clay
31,8%
Sand
36,4%
Silt
31,8%
15–30 cm
pH H₂O
5,5
Org. C
18,7g/kg
Clay
39,9%
Sand
31,2%
Silt
28,9%

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

Land cover

Forest28.7%
Crops27.9%
Built-up6.9%
Bare soil0.0%
Other (grassland, water…)36.5%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

3 825km²

Discharge in basins

0,4m³/s

Mean precip.

1 926mm/an

Mean T°

25,7°C

Moisture idx

0,23

Mean runoff

1 438mm/an

Mean elev. (basins)

10m

Watersheds crossing here

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

Human pressure

Pop. density

21hab/km²

Night light

5,1nW

Built-up

687,6%

Pesticides

15,0kg/km²

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