Pallikaranai Marsh Reserve Forest
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 2022
12 km²
District · IND
Chennai
India
AwTropical, savannah(100 %)
Species observed
2 973
Observations
409 754
Area
195km²
Ecological tissue
Sample of 25 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 Chennai : 16 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 3 types (connectance 11.1%, filtre Serrano α=0.2). 11 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
27
Interactions affichées
39
Connectance
0.111
Patrimoniales
1
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
2 973 distinct species · 409 754 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
28,0°C
Annual rain
1 354mm
Warmest m°
34,8°C
Coldest m°
21,6°C
Elevation: 8 m on average (min -8 m, max 17 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
28,0°C
Annual rain
1 354mm
Warmest month
34,8°C
Coldest month
21,6°C
Mean alt.
8m
Min
-8m
Max
17m
Std. dev.
4m
Köppen-Geiger (dominant)
AwTropical, savannah(100 %)Tropical
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
25,5g/kg
Clay
33,7%
Sand
34,7%
Silt
31,6%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,8
Org. C
33,9g/kg
Clay
30,9%
Sand
36,7%
Silt
32,5%
5–15 cm
pH H₂O
6,9
Org. C
25,3g/kg
Clay
33,2%
Sand
34,8%
Silt
32,0%
15–30 cm
pH H₂O
6,9
Org. C
17,4g/kg
Clay
37,1%
Sand
32,6%
Silt
30,3%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest2.1%
Crops3.4%
Built-up30.0%
Bare soil0.3%
Other (grassland, water…)64.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology2 basins · 2 lakes · 7 rivers
Hydrology metrics for this exact territory
Stream length here
37,4km
Lake surface here
0,26km²
Basins crossed
2
Max stream order
4
Max drainage
2 216km²
Discharge in basins
0,6m³/s
Mean precip.
1 143mm/an
Mean T°
28,5°C
Moisture idx
-0,34
Mean runoff
452mm/an
Mean elev. (basins)
27m
Watersheds crossing here
Lakes (2, top by area)
Rivers / streams (7, ord ≥ 4)
- கூவம் ஆறுord 3len here14.13 km20%total72 km
- Buckingham Kaalvaaiord 4len here11.76 km81%total15 km
- Captain Cotton Canalord 1len here5.80 km100%total6 km
- Veerangal Canalord 1len here2.34 km59%total4 km
- Okkiyam Maduvuord 2len here2.01 km16%total13 km
- Link Canalord 1len here0.74 km36%total2 km
- Buckingham Canalord 5len here0.64 km6%total11 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
219hab/km²
Night light
34,6nW
Built-up
2 999,7%
Pesticides
4,0kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Not Reported · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN