Ontologia

Commune · IND

Nilakkottai

India

AwTropical, savannah(100 %)

Species observed

265

Observations

27 172

Area

487,2km²

Ecological tissue

Sample of 35 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 Nilakkottai : 25 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 50 interactions GloBI sur 3 types (connectance 7.9%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
36
Interactions affichées
50
Connectance
0.079
Patrimoniales
1
Plus dense que (national)0 %(top 100%)

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

Species present

265 distinct species · 27 172 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

27 172 obs · 13 cellules
Obs. / cellule
≥ 18 234
3 913–18 233
912–3 912
372–911
< 372

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

Climate

Mean T°

27,6°C

Annual rain

1 018mm

Warmest m°

35,9°C

Coldest m°

18,4°C

Elevation: 255 m on average (min 182 m, max 839 m)

Bioclimatic detailsExpert
Annual mean temp.
27,6°C
Annual rain
1 018mm
Warmest month
35,9°C
Coldest month
18,4°C
Mean alt.
255m
Min
182m
Max
839m
Std. dev.
56m
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

32,6%

Sand

42,3%

Silt

25,1%

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

Dominant lithology: mtGLiMaggregated to Dindigul

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
34,8g/kg
Clay
31,0%
Sand
43,1%
Silt
25,8%
5–15 cm
pH H₂O
7,0
Org. C
20,7g/kg
Clay
31,0%
Sand
43,6%
Silt
25,4%
15–30 cm
pH H₂O
7,1
Org. C
11,9g/kg
Clay
35,8%
Sand
40,2%
Silt
24,0%

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

Land cover

Forest14.5%
Crops52.1%
Built-up1.5%
Bare soil2.3%
Other (grassland, water…)29.6%

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

Hydrology5 basins · 5 lakes · 8 rivers

Hydrology metrics for this exact territory

Stream length here

75,3km

Lake surface here

0,62km²

Basins crossed

5

Max stream order

4

Max drainage

4 912km²

Discharge in basins

10,9m³/s

Mean precip.

872mm/an

Mean T°

26,8°C

Moisture idx

-0,47

Mean runoff

188mm/an

Mean elev. (basins)

420m

Watersheds crossing here

Lakes (5, top by area)

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

Human pressure

Pop. density

5hab/km²

Night light

1,2nW

Built-up

145,6%

Pesticides

4,6kg/km²

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