Ontologia

Subdivision · BGD

Sirajganj Paurashava

Bangladesh

CwaTemperate, dry winter, hot summer(100 %)

Species observed

134

Observations

571

Area

18,8km²

Ecological tissue

Sample of 43 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 Sirajganj Paurashava : 37 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 48 interactions GloBI sur 4 types (connectance 5.3%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
43
Interactions affichées
48
Connectance
0.053
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

134 distinct species · 571 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

571 obs · 1 cellules
Obs. / cellule
≥ 571
571–570
571–570
571–570
< 571

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

Climate

Mean T°

25,3°C

Annual rain

1 926mm

Warmest m°

32,7°C

Coldest m°

12,4°C

Elevation: 11 m on average (min 6 m, max 14 m)

Bioclimatic detailsExpert
Annual mean temp.
25,3°C
Annual rain
1 926mm
Warmest month
32,7°C
Coldest month
12,4°C
Mean alt.
11m
Min
6m
Max
14m
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

6,3

Org. C

14,9g/kg

Clay

37,1%

Sand

23,1%

Silt

39,8%

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

Dominant lithology: suGLiMaggregated to Sirajganj

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,2
Org. C
20,8g/kg
Clay
36,9%
Sand
23,0%
Silt
40,1%
5–15 cm
pH H₂O
6,3
Org. C
15,8g/kg
Clay
37,6%
Sand
22,8%
Silt
39,6%
15–30 cm
pH H₂O
6,4
Org. C
8,2g/kg
Clay
36,9%
Sand
23,3%
Silt
39,7%

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

Land cover

Forest3.8%
Crops11.5%
Built-up10.5%
Bare soil3.4%
Other (grassland, water…)70.8%

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

Hydrology2 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

0,2km

Basins crossed

2

Max stream order

2

Max drainage

521 929km²

Discharge in basins

102,0m³/s

Mean precip.

1 803mm/an

Mean T°

25,5°C

Moisture idx

0,18

Mean runoff

1 353mm/an

Mean elev. (basins)

15m

Watersheds crossing here

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

Human pressure

Pop. density

124hab/km²

Night light

3,7nW

Built-up

1 050,0%

Pesticides

14,4kg/km²

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