Ontologia

Commune · BGD

Rajnagar

Bangladesh

CwaTemperate, dry winter, hot summer(72 %)

Species observed

70

Observations

245

Area

334,2km²

Ecological tissue

Sample of 18 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 Rajnagar : 12 espèces reliées par 21 interactions GloBI sur 3 types (connectance 13.7%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
18
Interactions affichées
21
Connectance
0.137
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

70 distinct species · 245 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

245 obs · 7 cellules
Obs. / cellule
≥ 92
92–91
44–91
17–43
< 17

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

3 362mm

Warmest m°

31,1°C

Coldest m°

12,7°C

Elevation: 13 m on average (min 4 m, max 52 m)

Bioclimatic detailsExpert
Annual mean temp.
24,8°C
Annual rain
3 362mm
Warmest month
31,1°C
Coldest month
12,7°C
Mean alt.
13m
Min
4m
Max
52m
Std. dev.
9m
Köppen-Geiger (dominant)
CwaTemperate, dry winter, hot summer(72 %)Temperate

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,5

Org. C

20,6g/kg

Clay

27,0%

Sand

42,2%

Silt

30,8%

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

Dominant lithology: ssGLiMaggregated to Maulvibazar

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
25,6g/kg
Clay
26,1%
Sand
43,0%
Silt
31,0%
5–15 cm
pH H₂O
5,5
Org. C
19,9g/kg
Clay
26,3%
Sand
42,6%
Silt
31,1%
15–30 cm
pH H₂O
5,5
Org. C
16,2g/kg
Clay
28,8%
Sand
41,0%
Silt
30,2%

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

Land cover

Forest23.2%
Crops45.2%
Built-up0.8%
Bare soil0.6%
Other (grassland, water…)30.1%

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

Hydrology5 basins · 6 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

46,2km

Lake surface here

1,67km²

Basins crossed

5

Max stream order

6

Max drainage

30 956km²

Discharge in basins

620,7m³/s

Mean precip.

3 165mm/an

Mean T°

24,8°C

Moisture idx

0,52

Mean runoff

2 715mm/an

Mean elev. (basins)

23m

Watersheds crossing here

Lakes (6, top by area)

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

Human pressure

Pop. density

7hab/km²

Night light

0,2nW

Built-up

85,0%

Pesticides

15,2kg/km²

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

Sub-administrations4