Ontologia

District · IND

Patna

India

CwaTemperate, dry winter, hot summer(100 %)

Species observed

687

Observations

10 522

Area

3 205,3km²

Ecological tissue

Sample of 30 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 Patna : 20 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 4 types (connectance 9.0%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
42
Connectance
0.090
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Species present

687 distinct species · 10 522 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 522 obs · 66 cellules
Obs. / cellule
≥ 3 269
287–3 268
47–286
20–46
< 20

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

Climate

Mean T°

25,7°C

Annual rain

1 044mm

Warmest m°

38,0°C

Coldest m°

10,4°C

Elevation: 52 m on average (min 38 m, max 74 m)

Bioclimatic detailsExpert
Annual mean temp.
25,7°C
Annual rain
1 044mm
Warmest month
38,0°C
Coldest month
10,4°C
Mean alt.
52m
Min
38m
Max
74m
Std. dev.
8m
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

7,2

Org. C

14,8g/kg

Clay

28,4%

Sand

28,2%

Silt

43,4%

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

Dominant lithology: suGLiM

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
21,3g/kg
Clay
26,7%
Sand
28,8%
Silt
44,5%
5–15 cm
pH H₂O
7,2
Org. C
13,9g/kg
Clay
28,2%
Sand
28,5%
Silt
43,3%
15–30 cm
pH H₂O
7,2
Org. C
9,2g/kg
Clay
30,3%
Sand
27,2%
Silt
42,5%

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

Land cover

Forest2.8%
Crops76.6%
Built-up2.6%
Bare soil3.7%
Other (grassland, water…)14.3%

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

Hydrology24 basins · 7 lakes · 12 rivers

Hydrology metrics for this exact territory

Stream length here

545,9km

Lake surface here

1,53km²

Basins crossed

24

Max stream order

8

Max drainage

781 781km²

Discharge in basins

17 117,1m³/s

Mean precip.

959mm/an

Mean T°

26,2°C

Moisture idx

-0,41

Max snow

1%

Mean runoff

421mm/an

Mean elev. (basins)

67m

Watersheds crossing here

15 more basins

Lakes (7, top by area)

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

Human pressure

Pop. density

17hab/km²

Night light

4,3nW

Built-up

263,2%

Pesticides

2,0kg/km²

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

Sub-administrations4