Commune · IND
Alwaye
India
Species observed
1 435
Observations
102 056
Area
319,8km²
Ecological tissue
Sample of 31 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 Alwaye : 24 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 44 interactions GloBI sur 3 types (connectance 9.5%, filtre Serrano α=0.2). 7 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
1 435 distinct species · 102 056 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,9°C
Annual rain
3 027mm
Warmest m°
33,9°C
Coldest m°
21,8°C
Elevation: 18 m on average (min 4 m, max 123 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
5,4
Org. C
32,2g/kg
Clay
33,4%
Sand
40,6%
Silt
26,0%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: mtGLiMaggregated to Ernakulam
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)
Hydrology4 basins · 2 lakes · 21 rivers
Hydrology metrics for this exact territory
Stream length here
128,9km
Lake surface here
0,32km²
Basins crossed
4
Max stream order
5
Max drainage
6 377km²
Discharge in basins
61,6m³/s
Mean precip.
3 013mm/an
Mean T°
26,5°C
Moisture idx
0,49
Mean runoff
1 859mm/an
Mean elev. (basins)
223m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (21, ord ≥ 4)
- Periyarord 5len here45.54 km15%total306 km
- PARIPINTHODUord 2len here13.88 km100%total14 km
- Angamaly-Manjaly Thodord 2len here10.90 km95%total11 km
- Chengal Thoduord 2len here9.61 km100%total10 km
- Periyar Riverord 2len here9.22 km100%total9 km
- Narikkuzhi Chirakkamattam Thoduord 2len here8.45 km100%total8 km
- Kavalathoduord 1len here4.52 km100%total5 km
- Ward 10ord 2len here3.63 km100%total4 km
- Chalakudy Riverord 4len here3.50 km9%total39 km
- aluva riverord 1len here3.37 km100%total3 km
- Minor Irrigation Canalord 1len here2.63 km100%total3 km
- Chalakudy Irrigation canalord 1len here2.32 km97%total2 km
9 more river segmentssorted by Strahler order + length
- Idamalayarord 4len here2.25 km3%total85 km
- Puthen Thoduord 1len here2.08 km100%total2 km
- Kadambrayar Riverord 3len here1.87 km32%total6 km
- Kadambrayar riverord 3len here1.33 km10%total13 km
- Aavangood Lift Irrigation Canalord 5len here1.11 km100%total1 km
- Thoduord 1len here1.05 km91%total1 km
- Mudakuzha Thodeord 2len here0.95 km10%total9 km
- Manalka Kuttadankuzhi Manjali Thoduord 2len here0.65 km100%total1 km
- Kuttadan Thoduord 1len here0.06 km2%total4 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
21hab/km²
Night light
4,2nW
Built-up
822,1%
Pesticides
4,8kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)