Western Ghats
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2012
8 115 km²
Commune · IND
Periyakulam
India
AwTropical, savannah(97 %)
Species observed
544
Observations
15 427
Area
1 499,8km²
Ecological tissue
Sample of 36 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 Periyakulam : 30 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 4 types (connectance 5.4%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
36
Connectance
0.054
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
544 distinct species · 15 427 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,0°C
Annual rain
971mm
Warmest m°
34,4°C
Coldest m°
17,0°C
Elevation: 500 m on average (min 236 m, max 1 705 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,0°C
Annual rain
971mm
Warmest month
34,4°C
Coldest month
17,0°C
Mean alt.
500m
Min
236m
Max
1 705m
Std. dev.
308m
Köppen-Geiger (dominant)
AwTropical, savannah(97 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,5
Org. C
29,2g/kg
Clay
34,0%
Sand
41,1%
Silt
25,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Theni
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,5
Org. C
41,9g/kg
Clay
32,6%
Sand
42,0%
Silt
25,4%
5–15 cm
pH H₂O
6,5
Org. C
26,7g/kg
Clay
33,3%
Sand
41,7%
Silt
25,0%
15–30 cm
pH H₂O
6,5
Org. C
18,8g/kg
Clay
36,0%
Sand
39,5%
Silt
24,5%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest35.3%
Crops31.0%
Built-up1.1%
Bare soil2.0%
Other (grassland, water…)30.6%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology11 basins · 11 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
262,9km
Lake surface here
9,49km²
Basins crossed
11
Max stream order
4
Max drainage
3 132km²
Discharge in basins
45,7m³/s
Mean precip.
1 098mm/an
Mean T°
25,4°C
Moisture idx
-0,29
Mean runoff
321mm/an
Mean elev. (basins)
596m
Watersheds crossing here
- Bassin de Moola Vaigaisub-area805,3 km²overlap663.87 km²44%
- Bassin de Varaha Nadhisub-area969,4 km²overlap618.49 km²41%
- Bassin de Suruliarsub-area928,5 km²overlap84.17 km²6%
- Bassin de Manjalarsub-area472,8 km²overlap47.21 km²3%
- Bassin de Theniarsub-area412,9 km²overlap46.21 km²3%
- Bassin de Periyarsub-area1 436,2 km²overlap15.79 km²1%
- Bassin de Suruliarsub-area15 km²overlap14.92 km²1%
- Bassin de Vaipparsub-area366,4 km²overlap7.76 km²1%
- Bassin de Tirumangalam Main Canalsub-area913 km²overlap0.97 km²0%
2 more basinssorted by overlap
Lakes (11, top by area)
- Vaigai Reservoirarea7,3 km²avg depth26.5 m
- Lac 1402401area0,5 km²avg depth2.5 m
- Lac 1402460area0,3 km²avg depth2.3 m
- Lac 1402368area0,3 km²avg depth2.4 m
- Lac 1402351area0,2 km²avg depth1.5 m
- Lac 1402534area0,2 km²avg depth1.8 m
- Lac 1402399area0,2 km²avg depth1.9 m
- Lac 1402372area0,1 km²avg depth1.5 m
- Lac 1402569area0,1 km²avg depth2.4 m
Rivers / streams (10, ord ≥ 4)
- Moola Vaigaiord 3len here125.74 km93%total135 km
- Varaha Nadhiord 3len here30.27 km72%total42 km
- 58 Villages Canalord 4len here26.69 km84%total32 km
- Suruliarord 4len here24.71 km26%total94 km
- Vaigaiord 4len here24.20 km12%total202 km
- Varattarord 2len here12.11 km89%total14 km
- Manjalarord 3len here7.97 km17%total46 km
- Theniarord 3len here6.08 km13%total46 km
- Levinge Streamord 1len here4.20 km50%total8 km
- Mullayarord 3len here0.94 km3%total28 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
108,7%
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