Ontologia

Commune · IND

Alattur

India

AmTropical, monsoon(72 %)

Species observed

646

Observations

65 742

Area

568,7km²

Ecological tissue

Sample of 27 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 Alattur : 21 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 33 interactions GloBI sur 3 types (connectance 9.4%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
27
Interactions affichées
33
Connectance
0.094
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

646 distinct species · 65 742 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

65 742 obs · 16 cellules
Obs. / cellule
≥ 18 234
7 400–18 233
5 471–7 399
2 557–5 470
< 2 557

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

Climate

Mean T°

26,6°C

Annual rain

2 541mm

Warmest m°

36,6°C

Coldest m°

21,1°C

Elevation: 130 m on average (min 48 m, max 961 m)

Bioclimatic detailsExpert
Annual mean temp.
26,6°C
Annual rain
2 541mm
Warmest month
36,6°C
Coldest month
21,1°C
Mean alt.
130m
Min
48m
Max
961m
Std. dev.
152m
Köppen-Geiger (dominant)
AmTropical, monsoon(72 %)Tropical

CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)

Soil & lithology

pH H₂O

5,5

Org. C

28,5g/kg

Clay

30,7%

Sand

44,4%

Silt

24,9%

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

Dominant lithology: mtGLiMaggregated to Palakkad

3 soil depths detailedExpert
0–5 cm
pH H₂O
5,5
Org. C
35,8g/kg
Clay
28,9%
Sand
46,1%
Silt
25,0%
5–15 cm
pH H₂O
5,4
Org. C
30,8g/kg
Clay
30,1%
Sand
44,7%
Silt
25,3%
15–30 cm
pH H₂O
5,5
Org. C
18,9g/kg
Clay
33,0%
Sand
42,5%
Silt
24,5%

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

Land cover

Forest61.8%
Crops13.3%
Built-up1.9%
Bare soil0.3%
Other (grassland, water…)22.6%

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

Hydrology5 basins · 1 lakes · 17 rivers

Hydrology metrics for this exact territory

Stream length here

147,2km

Lake surface here

2,64km²

Basins crossed

5

Max stream order

5

Max drainage

2 928km²

Discharge in basins

58,4m³/s

Mean precip.

2 313mm/an

Mean T°

27,1°C

Moisture idx

0,30

Mean runoff

1 474mm/an

Mean elev. (basins)

162m

Watersheds crossing here

Lakes (1, top by area)

Rivers / streams (17, ord ≥ 4)

5 more river segments

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

Human pressure

Pop. density

6hab/km²

Night light

1,1nW

Built-up

192,6%

Pesticides

5,1kg/km²

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