Ontologia

Subdivision · BGD

Sayna Raghunathpur

Bangladesh

AwTropical, savannah(100 %)

Species observed

44

Observations

55

Area

13,7km²

Ecological tissue

Sample of 14 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 Sayna Raghunathpur : 11 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 14 interactions GloBI sur 3 types (connectance 15.4%, filtre Serrano α=0.2). 3 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
14
Interactions affichées
14
Connectance
0.154
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

44 distinct species · 55 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

55 obs · 1 cellules
Obs. / cellule
≥ 55
55–54
55–54
55–54
< 55

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

Climate

Mean T°

25,7°C

Annual rain

2 233mm

Warmest m°

33,6°C

Coldest m°

13,2°C

Elevation: 2 m on average (min 2 m, max 3 m)

Bioclimatic detailsExpert
Annual mean temp.
25,7°C
Annual rain
2 233mm
Warmest month
33,6°C
Coldest month
13,2°C
Mean alt.
2m
Min
2m
Max
3m
Std. dev.
0m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

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

Soil & lithology

pH H₂O

5,7

Org. C

50,1g/kg

Clay

28,5%

Sand

23,6%

Silt

47,9%

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

Dominant lithology: suGLiMaggregated to Pirojpur

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
47,4g/kg
Clay
27,6%
Sand
23,8%
Silt
48,4%
5–15 cm
pH H₂O
5,7
Org. C
56,6g/kg
Clay
27,8%
Sand
24,1%
Silt
48,1%
15–30 cm
pH H₂O
5,7
Org. C
46,4g/kg
Clay
30,1%
Sand
22,8%
Silt
47,1%

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

Land cover

Forest42.3%
Crops30.6%
Built-up0.5%
Bare soil0.3%
Other (grassland, water…)26.2%

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

Hydrology4 basins · 0 lakes · 1 rivers

Hydrology metrics for this exact territory

Basins crossed

4

Max stream order

5

Max drainage

2 241km²

Discharge in basins

0,6m³/s

Mean precip.

2 063mm/an

Mean T°

26,0°C

Moisture idx

0,28

Mean runoff

1 484mm/an

Mean elev. (basins)

6m

Watersheds crossing here

Rivers / streams (1, ord ≥ 4)

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

Human pressure

Pop. density

5hab/km²

Night light

0,0nW

Built-up

51,6%

Pesticides

15,9kg/km²

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