Ontologia

Commune · IND

Holalkere

India

BShArid, steppe, hot(51 %)

Species observed

133

Observations

673

Area

1 100,7km²

Ecological tissue

Sample of 32 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 Holalkere : 24 espèces dont 4 patrimoniales (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 3 types (connectance 8.5%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
42
Connectance
0.085
Patrimoniales
4
Plus dense que (national)0 %(top 100%)

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

Species present

133 distinct species · 673 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

673 obs · 21 cellules
Obs. / cellule
≥ 77
67–76
44–66
23–43
< 23

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

Climate

Mean T°

24,5°C

Annual rain

666mm

Warmest m°

34,4°C

Coldest m°

16,2°C

Elevation: 730 m on average (min 623 m, max 989 m)

Bioclimatic detailsExpert
Annual mean temp.
24,5°C
Annual rain
666mm
Warmest month
34,4°C
Coldest month
16,2°C
Mean alt.
730m
Min
623m
Max
989m
Std. dev.
60m
Köppen-Geiger (dominant)
BShArid, steppe, hot(51 %)Arid

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

34,7%

Sand

40,4%

Silt

24,9%

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

Dominant lithology: mtGLiMaggregated to Chitradurga

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
22,1g/kg
Clay
31,8%
Sand
42,3%
Silt
26,0%
5–15 cm
pH H₂O
7,0
Org. C
12,0g/kg
Clay
34,0%
Sand
41,1%
Silt
24,9%
15–30 cm
pH H₂O
7,0
Org. C
8,7g/kg
Clay
38,5%
Sand
37,8%
Silt
23,7%

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

Land cover

Forest16.0%
Crops43.8%
Built-up0.5%
Bare soil3.3%
Other (grassland, water…)36.3%

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

Hydrology5 basins · 14 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

1,8km

Lake surface here

4,65km²

Basins crossed

5

Max stream order

3

Max drainage

6 335km²

Discharge in basins

3,4m³/s

Mean precip.

562mm/an

Mean T°

25,2°C

Moisture idx

-0,67

Mean runoff

108mm/an

Mean elev. (basins)

674m

Watersheds crossing here

Lakes (14, top by area)

5 more lakes

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

Human pressure

Pop. density

2hab/km²

Night light

0,8nW

Built-up

52,9%

Pesticides

3,7kg/km²

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