Ontologia

Commune · BGD

Birganj

Bangladesh

CwaTemperate, dry winter, hot summer(100 %)

Species observed

68

Observations

333

Area

415,2km²

Ecological tissue

Sample of 21 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 Birganj : 19 espèces reliées par 17 interactions GloBI sur 3 types (connectance 8.1%, filtre Serrano α=0.2). 2 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
21
Interactions affichées
17
Connectance
0.081
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

68 distinct species · 333 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

333 obs · 7 cellules
Obs. / cellule
≥ 285
285–284
3–284
2–2
< 2

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

Climate

Mean T°

24,8°C

Annual rain

2 273mm

Warmest m°

33,3°C

Coldest m°

11,1°C

Elevation: 47 m on average (min 39 m, max 56 m)

Bioclimatic detailsExpert
Annual mean temp.
24,8°C
Annual rain
2 273mm
Warmest month
33,3°C
Coldest month
11,1°C
Mean alt.
47m
Min
39m
Max
56m
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

6,1

Org. C

15,2g/kg

Clay

30,2%

Sand

30,3%

Silt

39,5%

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

Dominant lithology: ssGLiMaggregated to Dinajpur

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,1
Org. C
19,4g/kg
Clay
29,6%
Sand
30,3%
Silt
40,0%
5–15 cm
pH H₂O
6,1
Org. C
14,2g/kg
Clay
29,6%
Sand
31,0%
Silt
39,3%
15–30 cm
pH H₂O
6,2
Org. C
12,1g/kg
Clay
31,4%
Sand
29,5%
Silt
39,1%

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

Land cover

Forest14.4%
Crops73.3%
Built-up1.3%
Bare soil0.3%
Other (grassland, water…)10.6%

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

Hydrology3 basins · 0 lakes · 6 rivers

Hydrology metrics for this exact territory

Stream length here

54,5km

Basins crossed

3

Max stream order

4

Max drainage

2 995km²

Discharge in basins

18,7m³/s

Mean precip.

1 697mm/an

Mean T°

25,1°C

Moisture idx

0,09

Mean runoff

1 023mm/an

Mean elev. (basins)

36m

Watersheds crossing here

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

Human pressure

Pop. density

7hab/km²

Night light

0,2nW

Built-up

126,3%

Pesticides

12,8kg/km²

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

Protected areas2

IUCN IV · 2

Singra

IUCN IV

National Park · 2010

4 km²

Birganj

IUCN IV

National Park · 2011

1 km²

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

Sub-administrations6