Ontologia

Subdivision · BGD

Narisha

Bangladesh

AwTropical, savannah(100 %)

Species observed

69

Observations

141

Area

18,4km²

Ecological tissue

Sample of 24 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 Narisha : 17 espèces reliées par 26 interactions GloBI sur 3 types (connectance 9.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
26
Connectance
0.094
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

69 distinct species · 141 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

141 obs · 1 cellules
Obs. / cellule
≥ 141
141–140
141–140
141–140
< 141

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

Climate

Mean T°

25,8°C

Annual rain

2 039mm

Warmest m°

32,7°C

Coldest m°

13,8°C

Elevation: 5 m on average (min 4 m, max 7 m)

Bioclimatic detailsExpert
Annual mean temp.
25,8°C
Annual rain
2 039mm
Warmest month
32,7°C
Coldest month
13,8°C
Mean alt.
5m
Min
4m
Max
7m
Std. dev.
1m
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

5,6

Org. C

20,2g/kg

Clay

27,6%

Sand

32,1%

Silt

40,3%

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

Dominant lithology: suGLiMaggregated to Dhaka

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,6
Org. C
22,7g/kg
Clay
25,3%
Sand
33,9%
Silt
40,8%
5–15 cm
pH H₂O
5,6
Org. C
20,1g/kg
Clay
26,6%
Sand
32,7%
Silt
40,8%
15–30 cm
pH H₂O
5,6
Org. C
17,8g/kg
Clay
31,0%
Sand
29,6%
Silt
39,4%

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

Land cover

Forest27.9%
Crops26.0%
Built-up3.7%
Bare soil0.9%
Other (grassland, water…)41.5%

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

Hydrology2 basins · 0 lakes · 0 rivers

Hydrology metrics for this exact territory

Basins crossed

2

Max drainage

1 485 848km²

Discharge in basins

503,7m³/s

Mean precip.

1 921mm/an

Mean T°

25,8°C

Moisture idx

0,24

Mean runoff

1 425mm/an

Mean elev. (basins)

6m

Watersheds crossing here

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

Human pressure

Pop. density

24hab/km²

Night light

0,6nW

Built-up

368,8%

Pesticides

15,3kg/km²

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