Commune · IND
Vandavasi
India
Species observed
151
Observations
1 105
Area
875km²
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).
Indicateurs du tissu écologique
Tissu écologique de Vandavasi : 26 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 46 interactions GloBI sur 4 types (connectance 8.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
151 distinct species · 1 105 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,9°C
Annual rain
1 167mm
Warmest m°
37,8°C
Coldest m°
18,9°C
Elevation: 102 m on average (min 48 m, max 173 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
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
20,4g/kg
Clay
33,4%
Sand
36,8%
Silt
29,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Tiruvannamalai
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology5 basins · 31 lakes · 2 rivers
Hydrology metrics for this exact territory
Stream length here
37,1km
Lake surface here
8,61km²
Basins crossed
5
Max stream order
4
Max drainage
3 960km²
Discharge in basins
11,9m³/s
Mean precip.
1 066mm/an
Mean T°
28,3°C
Moisture idx
-0,38
Mean runoff
357mm/an
Mean elev. (basins)
85m
Watersheds crossing here
- Bassin de Maduranthakam Kalkulam Canalsub-area1 121,5 km²overlap402.08 km²46%
- Bassin de Varadarusub-area2 649,7 km²overlap186.42 km²21%
- Bassin de Buckingham Kaalvaaisub-area861,9 km²overlap130.67 km²15%
- Bassin de Cheyyārusub-area978,7 km²overlap109.23 km²12%
- Bassin de Cheyyārusub-area521,2 km²overlap46.56 km²5%
Lakes (31, top by area)
- Lake #79467area1,1 km²avg depth1.0 m
- Lac 1400394area0,8 km²avg depth1.8 m
- Lac 1400222area0,6 km²avg depth1.8 m
- Lac 1400182area0,5 km²avg depth1.9 m
- Lac 1400200area0,4 km²avg depth1.8 m
- Lac 1400317area0,4 km²avg depth1.4 m
- Lac 1400375area0,4 km²avg depth1.6 m
- Lac 1400196area0,4 km²avg depth1.6 m
- Lac 1400463area0,3 km²avg depth1.5 m
22 more lakes
- Lac 1400188area0,3 km²avg depth1.7 m
- Lac 1400266area0,3 km²avg depth1.8 m
- Lac 1400441area0,3 km²avg depth1.6 m
- Lac 1400387area0,3 km²avg depth1.6 m
- Lac 1400151area0,3 km²avg depth1.7 m
- Lac 1400167area0,3 km²avg depth1.9 m
- Lac 1400190area0,3 km²avg depth1.6 m
- Lac 1400101area0,2 km²avg depth1.7 m
- Lac 1400352area0,2 km²avg depth1.8 m
- Lac 1400271area0,2 km²avg depth1.9 m
- Lac 1400307area0,2 km²avg depth1.7 m
- Lac 1400207area0,2 km²avg depth1.9 m
- Lac 1400141area0,2 km²avg depth2.2 m
- Lac 1400221area0,2 km²avg depth1.7 m
- Lac 1400424area0,2 km²avg depth1.5 m
- Lac 1400342area0,2 km²avg depth1.6 m
- Lac 1400293area0,2 km²avg depth1.3 m
- Lac 1400251area0,2 km²avg depth1.6 m
- Lac 1400292area0,2 km²avg depth1.6 m
- Lac 1400154area0,2 km²avg depth1.6 m
- Lac 1400269area0,1 km²avg depth1.3 m
- Lac 1400177area0,1 km²avg depth1.4 m
Rivers / streams (2, ord ≥ 4)
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
4hab/km²
Night light
0,9nW
Built-up
109,1%
Pesticides
3,9kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)