Ontologia

State · ind

Bihar

India

CwaTemperate, dry winter, hot summer(100 %)

Species observed

2 176

Observations

160 626

Area

94 232,4km²

Ecological tissue

Sample of 33 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 Bihar : 23 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 51 interactions GloBI sur 3 types (connectance 9.7%, filtre Serrano α=0.2). 10 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
51
Connectance
0.097
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

2 176 distinct species · 160 626 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

160 626 obs · 52 cellules
Obs. / cellule
≥ 42 125
8 093–42 124
1 996–8 092
953–1 995
< 953

Source : GBIF — observations agrégées par hexagones 0.2° × 0.2° (~22km), filtre précision coordonnée < 10 km. Fond carte : OpenFreeMap · © OpenStreetMap.

Climate

Mean T°

25,4°C

Annual rain

1 351mm

Warmest m°

37,1°C

Coldest m°

10,4°C

Elevation: 80 m on average (min 22 m, max 4 624 m)

Bioclimatic detailsExpert
Annual mean temp.
25,4°C
Annual rain
1 351mm
Warmest month
37,1°C
Coldest month
10,4°C
Mean alt.
80m
Min
22m
Max
4 624m
Std. dev.
66m
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

7,0

Org. C

14,3g/kg

Clay

28,8%

Sand

29,9%

Silt

41,3%

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

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,9
Org. C
20,2g/kg
Clay
28,0%
Sand
30,3%
Silt
41,7%
5–15 cm
pH H₂O
7,0
Org. C
13,4g/kg
Clay
28,7%
Sand
30,1%
Silt
41,2%
15–30 cm
pH H₂O
7,0
Org. C
9,1g/kg
Clay
29,8%
Sand
29,4%
Silt
40,9%

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

Land cover

Forest9.5%
Crops74.3%
Built-up1.8%
Bare soil1.8%
Other (grassland, water…)12.7%

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

Hydrology171 basins · 50 lakes · 100 rivers

Hydrology metrics for this exact territory

Stream length here

8 229,3km

Lake surface here

114,58km²

Basins crossed

171

Max stream order

8

Max drainage

913 036km²

Discharge in basins

190 819,1m³/s

Mean precip.

1 157mm/an

Mean T°

25,4°C

Moisture idx

-0,28

Max snow

42%

Mean runoff

565mm/an

Mean elev. (basins)

98m

Watersheds crossing here

162 more basins

Lakes (50, top by area)

41 more lakes

Rivers / streams (100, ord ≥ 4)

88 more river segments

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

Human pressure

Pop. density

10hab/km²

Night light

1,6nW

Built-up

175,3%

Pesticides

2,0kg/km²

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

Protected areas6

IUCN II · 2IUCN VI · 2IUCN Not Applicable · 1IUCN IV · 1

Chitwan

IUCN II

National Park · 1973

1 213 km²

Kabartal Wetland

IUCN IV

Wetland of International Importance (Ramsar Site) · 2020

26 km²

WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN

Sub-administrations46