Commune · IND
Kallakkurichchi
India
Species observed
344
Observations
18 657
Area
2 260,3km²
Ecological tissue
Sample of 35 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 Kallakkurichchi : 27 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 41 interactions GloBI sur 3 types (connectance 6.9%, 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
344 distinct species · 18 657 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
27,2°C
Annual rain
1 053mm
Warmest m°
36,5°C
Coldest m°
17,8°C
Elevation: 272 m on average (min 56 m, max 1 113 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
6,9
Org. C
23,3g/kg
Clay
35,0%
Sand
36,1%
Silt
28,8%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: paGLiMaggregated to Viluppuram
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)
Hydrology6 basins · 23 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
232,6km
Lake surface here
9,55km²
Basins crossed
6
Max stream order
4
Max drainage
12 256km²
Discharge in basins
30,0m³/s
Mean precip.
998mm/an
Mean T°
28,1°C
Moisture idx
-0,43
Mean runoff
224mm/an
Mean elev. (basins)
205m
Watersheds crossing here
- Bassin de Manimutha Riversub-area2 952,6 km²overlap1697.73 km²75%
- Bassin de Ponnaiyarsub-area673,3 km²overlap288.59 km²13%
- Bassin de Gadilam Riversub-area1 392,9 km²overlap112.05 km²5%
- Bassin de Vellarsub-area1 831,4 km²overlap95.28 km²4%
- Bassin de Ponnaiyarsub-area419,5 km²overlap50.72 km²2%
- Basin #41190sub-area287,9 km²overlap15.90 km²1%
Lakes (23, top by area)
- Lake #79579area3 km²avg depth1.7 m
- Lake #79581area1,8 km²avg depth5.8 m
- Lac 1400970area0,6 km²avg depth1.7 m
- Lac 1401115area0,4 km²avg depth1.9 m
- Lac 1401099area0,3 km²avg depth1.9 m
- Lac 1400985area0,3 km²avg depth1.7 m
- Lac 1401092area0,3 km²avg depth1.8 m
- Lac 1401147area0,3 km²avg depth1.9 m
- Lac 1400942area0,3 km²avg depth1.6 m
14 more lakes
- Lac 1400973area0,3 km²avg depth1.8 m
- Lac 1401179area0,3 km²avg depth2.4 m
- Lac 1400842area0,2 km²avg depth1.6 m
- Lac 1401124area0,2 km²avg depth1.5 m
- Lac 1401081area0,2 km²avg depth1.3 m
- Lac 1401180area0,2 km²avg depth5.1 m
- Lac 1401068area0,2 km²avg depth1.5 m
- Lac 1400904area0,2 km²avg depth1.8 m
- Lac 1400903area0,2 km²avg depth1.3 m
- Lac 1400890area0,2 km²avg depth1.6 m
- Lac 1400804area0,2 km²avg depth1.4 m
- Lac 1401070area0,2 km²avg depth1.2 m
- Lac 1401138area0,1 km²avg depth1.3 m
- Lac 1400955area0,1 km²avg depth1.8 m
Rivers / streams (7, ord ≥ 4)
- Manimutha Riverord 4len here63.88 km51%total126 km
- Tirumanimukta Riverord 3len here55.54 km69%total81 km
- Mayura Riverord 3len here32.46 km100%total33 km
- Gomukhi Riverord 4len here30.10 km97%total31 km
- Ponnaiyarord 5len here24.82 km5%total544 km
- Vellarord 5len here19.13 km9%total207 km
- Gadilam riverord 3len here6.65 km12%total57 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
4hab/km²
Night light
0,8nW
Built-up
97,1%
Pesticides
4,4kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)