Western Ghats
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 2012
8 115 km²
Commune · IND
Pollachi
India
AwTropical, savannah(68 %)
Species observed
2 119
Observations
472 295
Area
1 845,2km²
Ecological tissue
Sample of 37 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 Pollachi : 32 espèces dont 7 patrimoniales (LR IUCN CR/EN/VU) reliées par 30 interactions GloBI sur 4 types (connectance 4.5%, filtre Serrano α=0.2). 5 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
37
Interactions affichées
30
Connectance
0.045
Patrimoniales
7
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 119 distinct species · 472 295 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
24,6°C
Annual rain
1 914mm
Warmest m°
33,2°C
Coldest m°
17,9°C
Elevation: 585 m on average (min 157 m, max 2 212 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
24,6°C
Annual rain
1 914mm
Warmest month
33,2°C
Coldest month
17,9°C
Mean alt.
585m
Min
157m
Max
2 212m
Std. dev.
426m
Köppen-Geiger (dominant)
AwTropical, savannah(68 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,0
Org. C
24,8g/kg
Clay
31,9%
Sand
40,8%
Silt
27,3%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Coimbatore
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
35,7g/kg
Clay
30,1%
Sand
42,0%
Silt
27,8%
5–15 cm
pH H₂O
6,0
Org. C
23,9g/kg
Clay
31,3%
Sand
41,2%
Silt
27,5%
15–30 cm
pH H₂O
6,1
Org. C
14,9g/kg
Clay
34,4%
Sand
39,0%
Silt
26,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest53.2%
Crops16.9%
Built-up1.6%
Bare soil0.8%
Other (grassland, water…)27.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology8 basins · 10 lakes · 15 rivers
Hydrology metrics for this exact territory
Stream length here
223,9km
Lake surface here
16,38km²
Basins crossed
8
Max stream order
4
Max drainage
1 516km²
Discharge in basins
65,9m³/s
Mean precip.
1 639mm/an
Mean T°
25,2°C
Moisture idx
-0,02
Mean runoff
1 040mm/an
Mean elev. (basins)
528m
Watersheds crossing here
- Bassin de Kalpathy Riversub-area1 406,8 km²overlap543.66 km²29%
- Bassin de Parambikkulamsub-area1 515,8 km²overlap351.38 km²19%
- Bassin de Aliyarsub-area419,6 km²overlap347.81 km²19%
- Bassin de Nallarsub-area507,1 km²overlap250.70 km²14%
- Bassin de Idamalayarsub-area1 057,2 km²overlap146.24 km²8%
- Bassin de Kannadipuzhasub-area374,5 km²overlap104.11 km²6%
- Bassin de Gayathri Riversub-area1 063,6 km²overlap75.17 km²4%
- Bassin de PAP Canalsub-area1 244,7 km²overlap26.15 km²1%
Lakes (10, top by area)
- Parambikulam Reservoirarea20,5 km²avg depth24.7 m
- Aliyar Reservoirarea4,6 km²avg depth23.8 m
- Lake #79774area4,2 km²avg depth17.1 m
- Lac 1402093area0,9 km²avg depth9.9 m
- Lac 1401926area0,9 km²avg depth3.4 m
- Lac 1402135area0,8 km²avg depth9.3 m
- Lac 1401982area0,2 km²avg depth2.6 m
- Lac 1401959area0,2 km²avg depth2.0 m
- Lac 1401872area0,1 km²avg depth2.9 m
1 more lakes
Rivers / streams (15, ord ≥ 4)
- Aliyarord 3len here49.51 km74%total67 km
- Parambikkulamord 4len here33.42 km46%total72 km
- Nirarord 2len here32.19 km95%total34 km
- Kannadipuzhaord 4len here25.18 km47%total53 km
- Idamalayarord 4len here22.48 km27%total85 km
- Nadupuni Riverord 3len here22.38 km100%total22 km
- Sholayarord 3len here17.59 km42%total42 km
- Varattiyar riverord 2len here8.65 km66%total13 km
- Streamord 2len here6.43 km79%total8 km
- Nallarord 3len here1.81 km9%total19 km
- ms 25 erithempathyord 4len here1.53 km43%total4 km
- Gayathri Riverord 4len here1.25 km2%total74 km
3 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
3hab/km²
Night light
1,0nW
Built-up
159,8%
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