Ontologia

Commune · IND

Sitamarhi

India

CwaTemperate, dry winter, hot summer(100 %)

Species observed

66

Observations

101

Area

814,9km²

Ecological tissue

Sample of 34 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 Sitamarhi : 30 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 28 interactions GloBI sur 3 types (connectance 5.0%, filtre Serrano α=0.2). 4 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
28
Connectance
0.050
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

66 distinct species · 101 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

101 obs · 12 cellules
Obs. / cellule
≥ 47
16–46
10–15
2–9
< 2

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

Climate

Mean T°

25,4°C

Annual rain

1 467mm

Warmest m°

36,5°C

Coldest m°

10,2°C

Elevation: 62 m on average (min 54 m, max 74 m)

Bioclimatic detailsExpert
Annual mean temp.
25,4°C
Annual rain
1 467mm
Warmest month
36,5°C
Coldest month
10,2°C
Mean alt.
62m
Min
54m
Max
74m
Std. dev.
6m
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

6,8

Org. C

14,3g/kg

Clay

26,8%

Sand

29,0%

Silt

44,2%

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

Dominant lithology: suGLiMaggregated to Sitamarhi

3 soil depths detailedExpert
0–5 cm
pH H₂O
6,8
Org. C
20,1g/kg
Clay
27,5%
Sand
28,5%
Silt
43,9%
5–15 cm
pH H₂O
6,8
Org. C
13,7g/kg
Clay
27,1%
Sand
28,8%
Silt
44,1%
15–30 cm
pH H₂O
6,9
Org. C
9,1g/kg
Clay
25,7%
Sand
29,7%
Silt
44,6%

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

Land cover

Forest10.5%
Crops77.3%
Built-up2.3%
Bare soil0.8%
Other (grassland, water…)9.2%

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

Hydrology8 basins · 0 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

35,9km

Basins crossed

8

Max stream order

5

Max drainage

6 161km²

Discharge in basins

78,6m³/s

Mean precip.

1 362mm/an

Mean T°

24,6°C

Moisture idx

-0,13

Mean runoff

643mm/an

Mean elev. (basins)

98m

Watersheds crossing here

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

Human pressure

Pop. density

17hab/km²

Night light

2,0nW

Built-up

226,8%

Pesticides

1,9kg/km²

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