Ontologia

Commune · IND

Sivaganga

India

AwTropical, savannah(100 %)

Species observed

185

Observations

3 529

Area

1 107,7km²

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 Sivaganga : 23 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 41 interactions GloBI sur 3 types (connectance 8.3%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
32
Interactions affichées
41
Connectance
0.083
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

185 distinct species · 3 529 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

3 529 obs · 28 cellules
Obs. / cellule
≥ 1 149
469–1 148
70–468
40–69
< 40

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

Climate

Mean T°

29,1°C

Annual rain

925mm

Warmest m°

38,1°C

Coldest m°

20,4°C

Elevation: 81 m on average (min 25 m, max 130 m)

Bioclimatic detailsExpert
Annual mean temp.
29,1°C
Annual rain
925mm
Warmest month
38,1°C
Coldest month
20,4°C
Mean alt.
81m
Min
25m
Max
130m
Std. dev.
23m
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

7,3

Org. C

20,3g/kg

Clay

35,1%

Sand

36,1%

Silt

28,8%

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

Dominant lithology: ssGLiMaggregated to Sivaganga

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,2
Org. C
32,6g/kg
Clay
32,6%
Sand
37,6%
Silt
29,8%
5–15 cm
pH H₂O
7,3
Org. C
16,7g/kg
Clay
34,5%
Sand
36,6%
Silt
28,9%
15–30 cm
pH H₂O
7,4
Org. C
11,7g/kg
Clay
38,2%
Sand
34,2%
Silt
27,6%

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

Land cover

Forest5.6%
Crops47.1%
Built-up0.8%
Bare soil9.2%
Other (grassland, water…)37.2%

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

Hydrology6 basins · 2 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

153,4km

Lake surface here

0,13km²

Basins crossed

6

Max stream order

4

Max drainage

6 714km²

Discharge in basins

4,1m³/s

Mean precip.

898mm/an

Mean T°

28,8°C

Moisture idx

-0,46

Mean runoff

127mm/an

Mean elev. (basins)

83m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

0,7nW

Built-up

79,9%

Pesticides

4,2kg/km²

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