Ontologia

Subdivision · BGD

Jalma

Bangladesh

AwTropical, savannah(100 %)

Species observed

20

Observations

35

Area

50,6km²

Ecological tissue

Sample of 13 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 Jalma : 12 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 9 interactions GloBI sur 2 types (connectance 11.5%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
13
Interactions affichées
9
Connectance
0.115
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

20 distinct species · 35 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

35 obs · 1 cellules
Obs. / cellule
≥ 35
35–34
35–34
35–34
< 35

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

Climate

Mean T°

26,0°C

Annual rain

1 874mm

Warmest m°

33,9°C

Coldest m°

13,5°C

Elevation: 2 m on average (min 1 m, max 3 m)

Bioclimatic detailsExpert
Annual mean temp.
26,0°C
Annual rain
1 874mm
Warmest month
33,9°C
Coldest month
13,5°C
Mean alt.
2m
Min
1m
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

5,8

Org. C

29,6g/kg

Clay

28,0%

Sand

19,5%

Silt

52,6%

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

Dominant lithology: suGLiMaggregated to Khulna

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,8
Org. C
34,7g/kg
Clay
26,3%
Sand
20,1%
Silt
53,6%
5–15 cm
pH H₂O
5,8
Org. C
30,9g/kg
Clay
27,0%
Sand
19,9%
Silt
53,2%
15–30 cm
pH H₂O
5,9
Org. C
23,4g/kg
Clay
30,6%
Sand
18,4%
Silt
51,0%

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

Land cover

Forest11.0%
Crops53.0%
Built-up2.8%
Bare soil1.1%
Other (grassland, water…)32.2%

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

Hydrology5 basins · 0 lakes · 3 rivers

Hydrology metrics for this exact territory

Stream length here

14,2km

Basins crossed

5

Max stream order

5

Max drainage

7 638km²

Discharge in basins

56,1m³/s

Mean precip.

1 799mm/an

Mean T°

26,1°C

Moisture idx

0,16

Mean runoff

1 046mm/an

Mean elev. (basins)

6m

Watersheds crossing here

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

Human pressure

Pop. density

12hab/km²

Night light

2,1nW

Built-up

276,2%

Pesticides

16,5kg/km²

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