Ontologia

Commune · IND

Arakkonam

India

AwTropical, savannah(100 %)

Species observed

250

Observations

10 872

Area

840,9km²

Ecological tissue

Sample of 31 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 Arakkonam : 22 espèces reliées par 47 interactions GloBI sur 3 types (connectance 10.1%, filtre Serrano α=0.2). 9 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
31
Interactions affichées
47
Connectance
0.101
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

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

Species present

250 distinct species · 10 872 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

10 872 obs · 23 cellules
Obs. / cellule
≥ 6 683
542–6 682
153–541
56–152
< 56

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

Climate

Mean T°

28,0°C

Annual rain

1 134mm

Warmest m°

38,1°C

Coldest m°

18,4°C

Elevation: 105 m on average (min 63 m, max 179 m)

Bioclimatic detailsExpert
Annual mean temp.
28,0°C
Annual rain
1 134mm
Warmest month
38,1°C
Coldest month
18,4°C
Mean alt.
105m
Min
63m
Max
179m
Std. dev.
20m
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

19,7g/kg

Clay

33,2%

Sand

36,7%

Silt

30,1%

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

Dominant lithology: mtGLiMaggregated to Vellore

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
30,2g/kg
Clay
31,6%
Sand
37,9%
Silt
30,5%
5–15 cm
pH H₂O
7,1
Org. C
15,9g/kg
Clay
32,6%
Sand
36,9%
Silt
30,5%
15–30 cm
pH H₂O
7,1
Org. C
13,1g/kg
Clay
35,4%
Sand
35,3%
Silt
29,2%

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

Land cover

Forest8.7%
Crops57.1%
Built-up1.6%
Bare soil2.1%
Other (grassland, water…)30.4%

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

Hydrology7 basins · 1 lakes · 5 rivers

Hydrology metrics for this exact territory

Stream length here

109,3km

Lake surface here

0,18km²

Basins crossed

7

Max stream order

5

Max drainage

16 662km²

Discharge in basins

8,2m³/s

Mean precip.

1 015mm/an

Mean T°

28,2°C

Moisture idx

-0,42

Mean runoff

280mm/an

Mean elev. (basins)

126m

Watersheds crossing here

Lakes (1, top by area)

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

Human pressure

Pop. density

5hab/km²

Night light

1,6nW

Built-up

159,4%

Pesticides

4,0kg/km²

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