Ontologia

Commune · IND

Srivaikuntam

India

AwTropical, savannah(100 %)

Species observed

311

Observations

13 536

Area

606,9km²

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 Srivaikuntam : 18 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 45 interactions GloBI sur 3 types (connectance 12.8%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
45
Connectance
0.128
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

311 distinct species · 13 536 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

13 536 obs · 15 cellules
Obs. / cellule
≥ 2 998
1 784–2 997
1 108–1 783
796–1 107
< 796

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

Climate

Mean T°

28,6°C

Annual rain

761mm

Warmest m°

35,5°C

Coldest m°

21,9°C

Elevation: 30 m on average (min -3 m, max 110 m)

Bioclimatic detailsExpert
Annual mean temp.
28,6°C
Annual rain
761mm
Warmest month
35,5°C
Coldest month
21,9°C
Mean alt.
30m
Min
-3m
Max
110m
Std. dev.
19m
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

30,2g/kg

Clay

34,3%

Sand

38,8%

Silt

26,9%

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

Dominant lithology: mtGLiMaggregated to Thoothukkudi

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,1
Org. C
43,4g/kg
Clay
32,9%
Sand
39,8%
Silt
27,4%
5–15 cm
pH H₂O
7,1
Org. C
25,6g/kg
Clay
33,9%
Sand
39,0%
Silt
27,1%
15–30 cm
pH H₂O
7,1
Org. C
21,7g/kg
Clay
36,3%
Sand
37,5%
Silt
26,2%

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

Land cover

Forest8.5%
Crops57.9%
Built-up1.3%
Bare soil3.6%
Other (grassland, water…)28.7%

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

Hydrology5 basins · 13 lakes · 2 rivers

Hydrology metrics for this exact territory

Stream length here

96,8km

Lake surface here

8,01km²

Basins crossed

5

Max stream order

5

Max drainage

5 626km²

Discharge in basins

16,0m³/s

Mean precip.

683mm/an

Mean T°

29,0°C

Moisture idx

-0,58

Mean runoff

181mm/an

Mean elev. (basins)

34m

Watersheds crossing here

Lakes (13, top by area)

4 more lakes

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

Human pressure

Pop. density

3hab/km²

Night light

1,3nW

Built-up

125,6%

Pesticides

5,3kg/km²

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