Ontologia

Commune · IND

Sahibganj

India

CwaTemperate, dry winter, hot summer(100 %)

Species observed

222

Observations

2 259

Area

2 198,9km²

Ecological tissue

Sample of 28 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 Sahibganj : 20 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 47 interactions GloBI sur 3 types (connectance 11.6%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
29
Interactions affichées
47
Connectance
0.116
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

222 distinct species · 2 259 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 259 obs · 33 cellules
Obs. / cellule
≥ 840
176–839
58–175
10–57
< 10

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

Climate

Mean T°

25,1°C

Annual rain

1 620mm

Warmest m°

35,2°C

Coldest m°

10,9°C

Elevation: 87 m on average (min 21 m, max 371 m)

Bioclimatic detailsExpert
Annual mean temp.
25,1°C
Annual rain
1 620mm
Warmest month
35,2°C
Coldest month
10,9°C
Mean alt.
87m
Min
21m
Max
371m
Std. dev.
68m
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

6,3

Org. C

15,8g/kg

Clay

24,6%

Sand

38,3%

Silt

37,1%

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

Dominant lithology: suGLiMaggregated to Sahibganj

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,3
Org. C
22,6g/kg
Clay
22,7%
Sand
39,3%
Silt
38,0%
5–15 cm
pH H₂O
6,3
Org. C
15,6g/kg
Clay
24,2%
Sand
38,8%
Silt
37,0%
15–30 cm
pH H₂O
6,4
Org. C
9,2g/kg
Clay
26,8%
Sand
36,9%
Silt
36,3%

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

Land cover

Forest28.5%
Crops48.2%
Built-up0.8%
Bare soil1.3%
Other (grassland, water…)21.2%

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

Hydrology5 basins · 23 lakes · 19 rivers

Hydrology metrics for this exact territory

Stream length here

323,4km

Lake surface here

11,27km²

Basins crossed

5

Max stream order

8

Max drainage

927 194km²

Discharge in basins

12 506,5m³/s

Mean precip.

1 297mm/an

Mean T°

25,1°C

Moisture idx

-0,18

Mean runoff

740mm/an

Mean elev. (basins)

98m

Rivers / streams (19, ord ≥ 4)

7 more river segments

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

Human pressure

Pop. density

7hab/km²

Night light

0,6nW

Built-up

83,1%

Pesticides

2,3kg/km²

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