Western Ghats
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2012
8 115 km²
District · IND
Theni
India
AwTropical, savannah(93 %)
Species observed
1 753
Observations
68 747
Area
2 845,2km²
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 Theni : 28 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 38 interactions GloBI sur 3 types (connectance 6.8%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
34
Interactions affichées
38
Connectance
0.068
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
1 753 distinct species · 68 747 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
25,2°C
Annual rain
1 070mm
Warmest m°
33,6°C
Coldest m°
16,6°C
Elevation: 592 m on average (min 236 m, max 2 430 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
25,2°C
Annual rain
1 070mm
Warmest month
33,6°C
Coldest month
16,6°C
Mean alt.
592m
Min
236m
Max
2 430m
Std. dev.
372m
Köppen-Geiger (dominant)
AwTropical, savannah(93 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,3
Org. C
31,4g/kg
Clay
33,7%
Sand
39,9%
Silt
26,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,3
Org. C
44,9g/kg
Clay
32,7%
Sand
40,6%
Silt
26,7%
5–15 cm
pH H₂O
6,3
Org. C
28,8g/kg
Clay
33,4%
Sand
40,4%
Silt
26,3%
15–30 cm
pH H₂O
6,3
Org. C
20,4g/kg
Clay
35,2%
Sand
38,9%
Silt
26,0%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest39.4%
Crops27.2%
Built-up1.0%
Bare soil1.8%
Other (grassland, water…)30.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology13 basins · 19 lakes · 20 rivers
Hydrology metrics for this exact territory
Stream length here
466,5km
Lake surface here
11,58km²
Basins crossed
13
Max stream order
4
Max drainage
3 132km²
Discharge in basins
65,5m³/s
Mean precip.
1 260mm/an
Mean T°
25,0°C
Moisture idx
-0,19
Mean runoff
398mm/an
Mean elev. (basins)
644m
Watersheds crossing here
- Bassin de Suruliarsub-area928,5 km²overlap909.47 km²32%
- Bassin de Moola Vaigaisub-area805,3 km²overlap737.78 km²26%
- Bassin de Varaha Nadhisub-area969,4 km²overlap650.65 km²23%
- Bassin de Theniarsub-area412,9 km²overlap377.14 km²13%
- Bassin de Manjalarsub-area472,8 km²overlap47.21 km²2%
- Bassin de Periyarsub-area1 436,2 km²overlap44.00 km²2%
- Bassin de Mudirapuzhasub-area705,9 km²overlap30.13 km²1%
- Bassin de Perinjankuttyaarsub-area398,8 km²overlap24.73 km²1%
- Bassin de Suruliarsub-area15 km²overlap14.92 km²1%
Lakes (19, top by area)
- Vaigai Reservoirarea7,3 km²avg depth26.5 m
- Lac 1402691area0,7 km²avg depth6.9 m
- Lac 1402401area0,5 km²avg depth2.5 m
- Lac 1402506area0,4 km²avg depth1.6 m
- Lac 1402460area0,3 km²avg depth2.3 m
- Lac 1402606area0,3 km²avg depth2.0 m
- Lac 1402368area0,3 km²avg depth2.4 m
- Lac 1402351area0,2 km²avg depth1.5 m
- Lac 1402534area0,2 km²avg depth1.8 m
10 more lakes
- Lac 1402399area0,2 km²avg depth1.9 m
- Lac 1402495area0,2 km²avg depth1.8 m
- Lac 1402484area0,2 km²avg depth1.4 m
- Lac 1402372area0,1 km²avg depth1.5 m
- Lac 1402600area0,1 km²avg depth2.2 m
- Lac 1402446area0,1 km²avg depth1.7 m
- Lac 1402500area0,1 km²avg depth1.4 m
- Lac 1402569area0,1 km²avg depth2.4 m
- Lac 1402504area0,1 km²avg depth1.4 m
- Lac 1402440area0,1 km²avg depth1.8 m
Rivers / streams (20, ord ≥ 4)
- Moola Vaigaiord 3len here131.12 km97%total135 km
- Suruliarord 4len here94.02 km100%total94 km
- Theniarord 3len here46.42 km100%total46 km
- Pathinettaam Kaalvaaiord 2len here33.44 km94%total36 km
- Vairavanarord 3len here30.78 km100%total31 km
- Varaha Nadhiord 3len here30.27 km72%total42 km
- 58 Villages Canalord 4len here26.69 km84%total32 km
- Vaigaiord 4len here24.20 km12%total202 km
- Varattarord 2len here13.56 km100%total14 km
- Agamalaiord 2len here10.04 km100%total10 km
- Manjalarord 3len here7.97 km17%total46 km
- Levinge Streamord 1len here4.20 km50%total8 km
8 more river segmentssorted by Strahler order + length
- kochara thoduord 1len here3.90 km40%total10 km
- Pathinettaam Kaalvaai Virivaakamord 1len here3.18 km100%total3 km
- chelimada thoduord 1len here2.66 km20%total13 km
- udayagiri thodord 1len here1.98 km100%total2 km
- Mullayarord 3len here0.94 km3%total28 km
- koottar thodord 2len here0.87 km7%total13 km
- anakkallu thoduord 1len here0.25 km4%total6 km
- AC Kandam- Amayar Thoduord 2len here≈ tangenttotal7 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
4hab/km²
Night light
0,7nW
Built-up
102,7%
Pesticides
4,7kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Applicable · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN