Ontologia

Commune · IND

Viluppuram

India

AwTropical, savannah(100 %)

Species observed

294

Observations

35 424

Area

973,2km²

Ecological tissue

Sample of 27 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 Viluppuram : 18 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 3 types (connectance 10.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
38
Connectance
0.108
Patrimoniales
2
Plus dense que (national)0 %(top 100%)

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

Species present

294 distinct species · 35 424 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

35 424 obs · 25 cellules
Obs. / cellule
≥ 12 760
3 864–12 759
974–3 863
232–973
< 232

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

Climate

Mean T°

28,3°C

Annual rain

1 149mm

Warmest m°

37,4°C

Coldest m°

19,8°C

Elevation: 48 m on average (min 11 m, max 150 m)

Bioclimatic detailsExpert
Annual mean temp.
28,3°C
Annual rain
1 149mm
Warmest month
37,4°C
Coldest month
19,8°C
Mean alt.
48m
Min
11m
Max
150m
Std. dev.
25m
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

7,0

Org. C

22,5g/kg

Clay

35,4%

Sand

35,2%

Silt

29,4%

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

Dominant lithology: paGLiMaggregated to Viluppuram

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
31,6g/kg
Clay
33,7%
Sand
36,3%
Silt
30,0%
5–15 cm
pH H₂O
7,1
Org. C
19,9g/kg
Clay
36,0%
Sand
34,6%
Silt
29,4%
15–30 cm
pH H₂O
7,1
Org. C
16,1g/kg
Clay
36,4%
Sand
34,7%
Silt
28,9%

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

Land cover

Forest12.0%
Crops53.9%
Built-up2.3%
Bare soil1.8%
Other (grassland, water…)30.0%

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

Hydrology2 basins · 9 lakes · 4 rivers

Hydrology metrics for this exact territory

Stream length here

79,6km

Lake surface here

3,52km²

Basins crossed

2

Max stream order

5

Max drainage

13 816km²

Discharge in basins

25,6m³/s

Mean precip.

1 064mm/an

Mean T°

28,3°C

Moisture idx

-0,38

Mean runoff

349mm/an

Mean elev. (basins)

79m

Watersheds crossing here

Lakes (9, top by area)

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

Human pressure

Pop. density

8hab/km²

Night light

2,1nW

Built-up

232,9%

Pesticides

4,4kg/km²

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