Ontologia

Subdivision · BGD

Nargun

Bangladesh

CwaTemperate, dry winter, hot summer(100 %)

Species observed

63

Observations

130

Area

37km²

Ecological tissue

Sample of 26 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 Nargun : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 21 interactions GloBI sur 3 types (connectance 6.5%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
21
Connectance
0.065
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

63 distinct species · 130 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

130 obs · 1 cellules
Obs. / cellule
≥ 130
130–129
130–129
130–129
< 130

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

Climate

Mean T°

24,9°C

Annual rain

2 312mm

Warmest m°

33,6°C

Coldest m°

11,2°C

Elevation: 51 m on average (min 48 m, max 54 m)

Bioclimatic detailsExpert
Annual mean temp.
24,9°C
Annual rain
2 312mm
Warmest month
33,6°C
Coldest month
11,2°C
Mean alt.
51m
Min
48m
Max
54m
Std. dev.
1m
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

15,5g/kg

Clay

30,1%

Sand

29,7%

Silt

40,2%

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

Dominant lithology: wbGLiMaggregated to Thakurgaon

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,0
Org. C
21,2g/kg
Clay
29,8%
Sand
29,6%
Silt
40,7%
5–15 cm
pH H₂O
6,1
Org. C
14,3g/kg
Clay
29,8%
Sand
30,0%
Silt
40,2%
15–30 cm
pH H₂O
6,1
Org. C
11,0g/kg
Clay
30,7%
Sand
29,4%
Silt
39,9%

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

Land cover

Forest15.4%
Crops66.7%
Built-up2.2%
Bare soil0.1%
Other (grassland, water…)15.5%

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

Hydrology1 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

12,9km

Basins crossed

1

Max stream order

4

Max drainage

2 338km²

Discharge in basins

1,3m³/s

Mean precip.

1 726mm/an

Mean T°

25,0°C

Moisture idx

0,10

Mean runoff

1 036mm/an

Mean elev. (basins)

40m

Watersheds crossing here

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

Human pressure

Pop. density

12hab/km²

Night light

0,7nW

Built-up

224,2%

Pesticides

12,6kg/km²

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