Ontologia

Commune · IND

Orattanadu

India

AwTropical, savannah(100 %)

Species observed

119

Observations

1 612

Area

598,5km²

Ecological tissue

Sample of 34 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 Orattanadu : 27 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 40 interactions GloBI sur 3 types (connectance 7.1%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
34
Interactions affichées
40
Connectance
0.071
Patrimoniales
3
Plus dense que (national)0 %(top 100%)

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

Species present

119 distinct species · 1 612 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Densité d'observations

1 612 obs · 14 cellules
Obs. / cellule
≥ 381
334–380
156–333
112–155
< 112

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

Climate

Mean T°

28,7°C

Annual rain

1 079mm

Warmest m°

37,7°C

Coldest m°

20,3°C

Elevation: 35 m on average (min 17 m, max 67 m)

Bioclimatic detailsExpert
Annual mean temp.
28,7°C
Annual rain
1 079mm
Warmest month
37,7°C
Coldest month
20,3°C
Mean alt.
35m
Min
17m
Max
67m
Std. dev.
9m
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

23,0g/kg

Clay

37,8%

Sand

32,9%

Silt

29,2%

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

Dominant lithology: mtGLiMaggregated to Thanjavur

3 soil depths detailedExpert
0–5 cm
pH H₂O
7,0
Org. C
33,4g/kg
Clay
35,1%
Sand
34,8%
Silt
30,1%
5–15 cm
pH H₂O
7,1
Org. C
20,5g/kg
Clay
37,1%
Sand
33,2%
Silt
29,7%
15–30 cm
pH H₂O
7,1
Org. C
15,2g/kg
Clay
41,2%
Sand
30,9%
Silt
27,9%

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

Land cover

Forest13.5%
Crops60.6%
Built-up1.3%
Bare soil1.9%
Other (grassland, water…)22.6%

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

Hydrology3 basins · 2 lakes · 9 rivers

Hydrology metrics for this exact territory

Stream length here

128,3km

Lake surface here

0,24km²

Basins crossed

3

Max stream order

3

Max drainage

1 651km²

Discharge in basins

2,4m³/s

Mean precip.

1 007mm/an

Mean T°

28,7°C

Moisture idx

-0,39

Mean runoff

241mm/an

Mean elev. (basins)

45m

Watersheds crossing here

Lakes (2, top by area)

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

Human pressure

Pop. density

3hab/km²

Night light

0,9nW

Built-up

133,7%

Pesticides

4,0kg/km²

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