Ontologia

Commune · IND

Sattankulam

India

AwTropical, savannah(100 %)

Species observed

172

Observations

2 489

Area

352,9km²

Ecological tissue

Sample of 33 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 Sattankulam : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 59 interactions GloBI sur 3 types (connectance 11.2%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
33
Interactions affichées
59
Connectance
0.112
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

172 distinct species · 2 489 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

2 489 obs · 12 cellules
Obs. / cellule
≥ 622
460–621
331–459
204–330
< 204

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

Climate

Mean T°

27,9°C

Annual rain

775mm

Warmest m°

33,3°C

Coldest m°

22,7°C

Elevation: 29 m on average (min -4 m, max 63 m)

Bioclimatic detailsExpert
Annual mean temp.
27,9°C
Annual rain
775mm
Warmest month
33,3°C
Coldest month
22,7°C
Mean alt.
29m
Min
-4m
Max
63m
Std. dev.
13m
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

35,8g/kg

Clay

32,5%

Sand

38,9%

Silt

28,6%

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
52,8g/kg
Clay
30,1%
Sand
40,4%
Silt
29,5%
5–15 cm
pH H₂O
7,2
Org. C
27,0g/kg
Clay
31,0%
Sand
39,8%
Silt
29,2%
15–30 cm
pH H₂O
7,2
Org. C
27,7g/kg
Clay
36,5%
Sand
36,4%
Silt
27,1%

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

Land cover

Forest6.8%
Crops50.0%
Built-up1.3%
Bare soil4.7%
Other (grassland, water…)37.2%

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

Hydrology1 basins · 1 lakes · 1 rivers

Hydrology metrics for this exact territory

Stream length here

17,3km

Lake surface here

0,31km²

Basins crossed

1

Max stream order

3

Max drainage

2 015km²

Discharge in basins

0,1m³/s

Mean precip.

794mm/an

Mean T°

28,1°C

Moisture idx

-0,48

Mean runoff

228mm/an

Mean elev. (basins)

83m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

1,2nW

Built-up

128,4%

Pesticides

5,5kg/km²

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