Ontologia

Subdivision · BGD

Derai Sarmangal

Bangladesh

CwaTemperate, dry winter, hot summer(100 %)

Species observed

31

Observations

36

Area

28km²

Ecological tissue

Sample of 17 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 Derai Sarmangal : 16 espèces reliées par 14 interactions GloBI sur 3 types (connectance 10.3%, filtre Serrano α=0.2). 1 bulle taxonomique (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
17
Interactions affichées
14
Connectance
0.103
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

31 distinct species · 36 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

36 obs · 1 cellules
Obs. / cellule
≥ 36
36–35
36–35
36–35
< 36

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

5 363mm

Warmest m°

31,4°C

Coldest m°

12,4°C

Elevation: 4 m on average (min 3 m, max 6 m)

Bioclimatic detailsExpert
Annual mean temp.
24,8°C
Annual rain
5 363mm
Warmest month
31,4°C
Coldest month
12,4°C
Mean alt.
4m
Min
3m
Max
6m
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

5,7

Org. C

24,8g/kg

Clay

31,2%

Sand

35,9%

Silt

32,9%

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

Dominant lithology: wbGLiMaggregated to Sunamganj

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,7
Org. C
28,2g/kg
Clay
29,6%
Sand
37,0%
Silt
33,5%
5–15 cm
pH H₂O
5,7
Org. C
22,7g/kg
Clay
31,4%
Sand
35,5%
Silt
33,0%
15–30 cm
pH H₂O
5,7
Org. C
23,4g/kg
Clay
32,6%
Sand
35,1%
Silt
32,3%

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

Land cover

Forest2.4%
Crops67.8%
Built-up0.3%
Bare soil1.7%
Other (grassland, water…)27.9%

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

Hydrology2 basins · 1 lakes · 0 rivers

Hydrology metrics for this exact territory

Lake surface here

0,00km²

Basins crossed

2

Max drainage

13 200km²

Discharge in basins

6,4m³/s

Mean precip.

3 120mm/an

Mean T°

25,0°C

Moisture idx

0,53

Mean runoff

3 527mm/an

Mean elev. (basins)

8m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

3hab/km²

Built-up

34,4%

Pesticides

15,4kg/km²

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