Ontologia

Commune · IND

Lalgudi

India

AwTropical, savannah(100 %)

Species observed

410

Observations

18 318

Area

970,7km²

Ecological tissue

Sample of 28 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 Lalgudi : 20 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 3 types (connectance 10.3%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
28
Interactions affichées
39
Connectance
0.103
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

410 distinct species · 18 318 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

18 318 obs · 25 cellules
Obs. / cellule
≥ 3 688
2 732–3 687
786–2 731
244–785
< 244

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

Climate

Mean T°

28,9°C

Annual rain

871mm

Warmest m°

38,4°C

Coldest m°

19,9°C

Elevation: 80 m on average (min 46 m, max 128 m)

Bioclimatic detailsExpert
Annual mean temp.
28,9°C
Annual rain
871mm
Warmest month
38,4°C
Coldest month
19,9°C
Mean alt.
80m
Min
46m
Max
128m
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

7,5

Org. C

20,2g/kg

Clay

35,9%

Sand

36,6%

Silt

27,5%

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

Dominant lithology: paGLiMaggregated to Tiruchirappalli

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,4
Org. C
32,6g/kg
Clay
33,7%
Sand
37,9%
Silt
28,4%
5–15 cm
pH H₂O
7,5
Org. C
16,7g/kg
Clay
35,2%
Sand
37,2%
Silt
27,6%
15–30 cm
pH H₂O
7,5
Org. C
11,3g/kg
Clay
38,7%
Sand
34,8%
Silt
26,5%

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

Land cover

Forest6.7%
Crops63.4%
Built-up1.6%
Bare soil2.4%
Other (grassland, water…)26.0%

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

Hydrology6 basins · 2 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

203,6km

Lake surface here

0,39km²

Basins crossed

6

Max stream order

6

Max drainage

75 846km²

Discharge in basins

174,8m³/s

Mean precip.

855mm/an

Mean T°

28,8°C

Moisture idx

-0,51

Mean runoff

116mm/an

Mean elev. (basins)

89m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

5hab/km²

Night light

2,3nW

Built-up

155,1%

Pesticides

4,4kg/km²

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