Ontologia

Commune · BGD

Atrai

Bangladesh

CwaTemperate, dry winter, hot summer(100 %)

Species observed

76

Observations

155

Area

264km²

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 Atrai : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 34 interactions GloBI sur 3 types (connectance 10.5%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
26
Interactions affichées
34
Connectance
0.105
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

76 distinct species · 155 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

155 obs · 3 cellules
Obs. / cellule
≥ 144
144–143
144–143
9–143
< 9

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

Climate

Mean T°

25,3°C

Annual rain

1 699mm

Warmest m°

34,3°C

Coldest m°

11,5°C

Elevation: 12 m on average (min 10 m, max 14 m)

Bioclimatic detailsExpert
Annual mean temp.
25,3°C
Annual rain
1 699mm
Warmest month
34,3°C
Coldest month
11,5°C
Mean alt.
12m
Min
10m
Max
14m
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

6,6

Org. C

17,2g/kg

Clay

46,6%

Sand

17,9%

Silt

35,4%

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

Dominant lithology: wbGLiMaggregated to Naogaon

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,5
Org. C
23,1g/kg
Clay
46,0%
Sand
18,2%
Silt
35,7%
5–15 cm
pH H₂O
6,6
Org. C
16,3g/kg
Clay
47,4%
Sand
17,6%
Silt
35,0%
15–30 cm
pH H₂O
6,8
Org. C
12,2g/kg
Clay
46,5%
Sand
18,0%
Silt
35,5%

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

Land cover

Forest5.5%
Crops76.2%
Built-up1.8%
Bare soil0.5%
Other (grassland, water…)16.0%

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

Hydrology6 basins · 1 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

59,9km

Lake surface here

0,83km²

Basins crossed

6

Max stream order

5

Max drainage

9 062km²

Discharge in basins

182,5m³/s

Mean precip.

1 612mm/an

Mean T°

25,6°C

Moisture idx

0,05

Mean runoff

1 022mm/an

Mean elev. (basins)

17m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

7hab/km²

Night light

0,1nW

Built-up

183,6%

Pesticides

14,2kg/km²

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

Sub-administrations7