Ontologia

Commune · IND

Vriddhachalam

India

AwTropical, savannah(100 %)

Species observed

242

Observations

8 236

Area

1 480,8km²

Ecological tissue

Sample of 38 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 Vriddhachalam : 30 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 51 interactions GloBI sur 3 types (connectance 7.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
38
Interactions affichées
51
Connectance
0.072
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

242 distinct species · 8 236 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

8 236 obs · 39 cellules
Obs. / cellule
≥ 4 779
230–4 778
97–229
50–96
< 50

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

Climate

Mean T°

28,5°C

Annual rain

1 130mm

Warmest m°

38,2°C

Coldest m°

19,5°C

Elevation: 64 m on average (min -38 m, max 130 m)

Bioclimatic detailsExpert
Annual mean temp.
28,5°C
Annual rain
1 130mm
Warmest month
38,2°C
Coldest month
19,5°C
Mean alt.
64m
Min
-38m
Max
130m
Std. dev.
28m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

7,1

Org. C

20,0g/kg

Clay

34,6%

Sand

35,8%

Silt

29,6%

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

Dominant lithology: smGLiMaggregated to Cuddalore

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
31,2g/kg
Clay
33,0%
Sand
36,9%
Silt
30,1%
5–15 cm
pH H₂O
7,1
Org. C
15,7g/kg
Clay
34,0%
Sand
36,0%
Silt
30,0%
15–30 cm
pH H₂O
7,2
Org. C
13,0g/kg
Clay
36,9%
Sand
34,5%
Silt
28,7%

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

Land cover

Forest8.6%
Crops63.7%
Built-up1.2%
Bare soil2.5%
Other (grassland, water…)24.1%

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

Hydrology12 basins · 4 lakes · 7 rivers

Hydrology metrics for this exact territory

Stream length here

228,6km

Lake surface here

10,36km²

Basins crossed

12

Max stream order

4

Max drainage

78 370km²

Discharge in basins

37,2m³/s

Mean precip.

1 023mm/an

Mean T°

28,2°C

Moisture idx

-0,41

Mean runoff

247mm/an

Mean elev. (basins)

164m

Watersheds crossing here

3 more basins

Lakes (4, top by area)

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

Human pressure

Pop. density

4hab/km²

Night light

1,4nW

Built-up

123,8%

Pesticides

4,5kg/km²

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