Sundarban Wetland
IUCN IaWetland of International Importance (Ramsar Site) · 2019
4 244 km²
District · IND
South 24 Parganas
India
AwTropical, savannah(100 %)
Species observed
1 699
Observations
246 768
Area
5 527,1km²
Ecological tissue
Sample of 35 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 South 24 Parganas : 28 espèces dont 3 patrimoniales (LR IUCN CR/EN/VU) reliées par 42 interactions GloBI sur 3 types (connectance 7.1%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
35
Interactions affichées
42
Connectance
0.071
Patrimoniales
3
Plus dense que (national)0 %(top 100%)
Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).
Species present
1 699 distinct species · 246 768 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,3°C
Annual rain
1 919mm
Warmest m°
33,2°C
Coldest m°
14,9°C
Elevation: 3 m on average (min -35 m, max 7 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,3°C
Annual rain
1 919mm
Warmest month
33,2°C
Coldest month
14,9°C
Mean alt.
3m
Min
-35m
Max
7m
Std. dev.
1m
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
6,6
Org. C
19,1g/kg
Clay
36,5%
Sand
7,0%
Silt
56,5%
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
6,6
Org. C
25,7g/kg
Clay
35,6%
Sand
7,6%
Silt
56,9%
5–15 cm
pH H₂O
6,6
Org. C
17,8g/kg
Clay
35,4%
Sand
7,1%
Silt
57,5%
15–30 cm
pH H₂O
6,7
Org. C
13,9g/kg
Clay
38,5%
Sand
6,3%
Silt
55,2%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest17.2%
Crops55.0%
Built-up2.2%
Bare soil0.4%
Other (grassland, water…)25.2%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology14 basins · 50 lakes · 12 rivers
Hydrology metrics for this exact territory
Stream length here
109,3km
Lake surface here
32,93km²
Basins crossed
14
Max stream order
6
Max drainage
29 785km²
Discharge in basins
1 040,0m³/s
Mean precip.
1 603mm/an
Mean T°
26,3°C
Moisture idx
0,10
Mean runoff
918mm/an
Mean elev. (basins)
4m
Watersheds crossing here
- Basin #26510sub-area1 575 km²overlap1456.32 km²26%
- Bassin de Adi Gangasub-area1 125,9 km²overlap1115.35 km²20%
- Bassin de Matlasub-area1 086,3 km²overlap977.98 km²18%
- Bassin de Krishnapur Canalsub-area635,2 km²overlap519.01 km²9%
- Basin #26350sub-area750,1 km²overlap351.36 km²6%
- Basin #26490sub-area320 km²overlap275.56 km²5%
- Bassin de Hooghlysub-area275,1 km²overlap196.51 km²4%
- Basin #26500sub-area178,5 km²overlap175.86 km²3%
- Bassin de Hooghlysub-area247,3 km²overlap169.12 km²3%
Lakes (50, top by area)
- Lake #77739area2,7 km²avg depth1.4 m
- Lake #77701area2,4 km²avg depth1.3 m
- Lake #77850area1,9 km²avg depth1.3 m
- Lake #77742area1,8 km²avg depth1.1 m
- Lake #77770area1,4 km²avg depth1.1 m
- Lake #77671area1,3 km²avg depth1.1 m
- Lake #77711area1,3 km²avg depth1.1 m
- Lake #77849area1,2 km²avg depth0.8 m
- Lake #77758area1 km²avg depth0.8 m
41 more lakes
- Lac 1389426area1 km²avg depth1.6 m
- Lac 1389508area0,9 km²avg depth2.1 m
- Lac 1389741area0,9 km²avg depth2.2 m
- Lac 1389762area0,9 km²avg depth2.0 m
- Lac 1389946area0,9 km²avg depth2.0 m
- Lac 1389948area0,8 km²avg depth1.9 m
- Lac 1389738area0,8 km²avg depth1.5 m
- Lac 1389464area0,8 km²avg depth2.0 m
- Lac 1389505area0,7 km²avg depth2.1 m
- Lac 1389443area0,7 km²avg depth1.6 m
- Lac 1389435area0,7 km²avg depth1.4 m
- Lac 1389772area0,7 km²avg depth1.9 m
- Lac 1389525area0,6 km²avg depth1.9 m
- Lac 1389512area0,6 km²avg depth1.9 m
- Lac 1389764area0,6 km²avg depth1.8 m
- Lac 1390119area0,6 km²avg depth1.8 m
- Lac 1389693area0,5 km²avg depth1.9 m
- Lac 1389750area0,5 km²avg depth1.4 m
- Lac 1389920area0,4 km²avg depth1.4 m
- Lac 1389487area0,4 km²avg depth1.8 m
- Lac 1389450area0,4 km²avg depth1.8 m
- Lac 1389756area0,4 km²avg depth1.1 m
- Lac 1389745area0,4 km²avg depth0.8 m
- Lac 1389454area0,4 km²avg depth1.5 m
- Lac 1389469area0,4 km²avg depth2.0 m
- Lac 1389444area0,3 km²avg depth1.6 m
- Lac 1389520area0,3 km²avg depth1.9 m
- Lac 1389542area0,3 km²avg depth1.7 m
- Lac 1389956area0,3 km²avg depth0.5 m
- Lac 1390108area0,3 km²avg depth1.5 m
- Lac 1389902area0,3 km²avg depth1.7 m
- Lac 1389486area0,3 km²avg depth1.9 m
- Lac 1389437area0,3 km²avg depth1.1 m
- Lac 1389538area0,3 km²avg depth1.6 m
- Lac 1389453area0,3 km²avg depth1.7 m
- Lac 1390130area0,2 km²avg depth1.3 m
- Lac 1389471area0,2 km²avg depth1.5 m
- Lac 1389533area0,2 km²avg depth1.6 m
- Lac 1390595area0,2 km²avg depth0.5 m
- Lac 1389975area0,2 km²avg depth1.7 m
- Lac 1389568area0,2 km²avg depth1.8 m
Rivers / streams (12, ord ≥ 4)
- Hooghlyord 6len here33.93 km14%total244 km
- Krishnapur Canalord 4len here28.75 km94%total30 km
- Adi Gangaord 3len here20.31 km100%total20 km
- Bagjola Canalord 2len here6.12 km44%total14 km
- Krishnapur Canalord 2len here5.70 km44%total13 km
- south purbachal canalord 1len here4.91 km100%total5 km
- Panchanangram Canalord 1len here4.82 km100%total5 km
- Kalindiord 4len here1.70 km5%total34 km
- Matlaord 1len here1.25 km79%total2 km
- Matlaord 3len here0.96 km91%total1 km
- Matlaord 1len here0.89 km94%total1 km
- Noaiord 2len here≈ tangenttotal7 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
17hab/km²
Night light
2,2nW
Built-up
222,1%
Pesticides
2,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas1
IUCN Ia · 1🌊 Marine · 1📍 Point sites · 1
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN