Sundarban Wetland
IUCN IaWetland of International Importance (Ramsar Site) · 2019
4 244 km²
District · IND
North 24 Parganas
India
AwTropical, savannah(88 %)
Species observed
1 555
Observations
264 130
Area
5 815,5km²
Ecological tissue
Sample of 28 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 North 24 Parganas : 22 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 36 interactions GloBI sur 3 types (connectance 8.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
29
Interactions affichées
36
Connectance
0.089
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
1 555 distinct species · 264 130 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,1°C
Annual rain
1 866mm
Warmest m°
33,8°C
Coldest m°
14,1°C
Elevation: 4 m on average (min -51 m, max 11 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,1°C
Annual rain
1 866mm
Warmest month
33,8°C
Coldest month
14,1°C
Mean alt.
4m
Min
-51m
Max
11m
Std. dev.
2m
Köppen-Geiger (dominant)
AwTropical, savannah(88 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,3
Org. C
20,7g/kg
Clay
39,2%
Sand
9,1%
Silt
51,7%
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
6,3
Org. C
28,1g/kg
Clay
38,9%
Sand
9,4%
Silt
51,7%
5–15 cm
pH H₂O
6,3
Org. C
20,3g/kg
Clay
39,0%
Sand
9,1%
Silt
51,9%
15–30 cm
pH H₂O
6,4
Org. C
13,8g/kg
Clay
39,7%
Sand
8,9%
Silt
51,4%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest24.6%
Crops37.0%
Built-up2.1%
Bare soil0.9%
Other (grassland, water…)35.5%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology20 basins · 50 lakes · 23 rivers
Hydrology metrics for this exact territory
Stream length here
436,7km
Lake surface here
170,13km²
Basins crossed
20
Max stream order
6
Max drainage
28 048km²
Discharge in basins
676,0m³/s
Mean precip.
1 620mm/an
Mean T°
26,3°C
Moisture idx
0,07
Mean runoff
845mm/an
Mean elev. (basins)
5m
Watersheds crossing here
- Basin #26280sub-area1 888,8 km²overlap1546.53 km²27%
- Bassin de Bidyadhari Khaalsub-area1 583,7 km²overlap1406.13 km²24%
- Bassin de Jamuna Riversub-area950,1 km²overlap536.00 km²9%
- Bassin de Ichamatisub-area612,1 km²overlap385.90 km²7%
- Basin #26350sub-area750,1 km²overlap318.51 km²5%
- Bassin de Ichamatisub-area626 km²overlap264.94 km²5%
- Bassin de Churnisub-area1 259,8 km²overlap262.31 km²5%
- Bassin de Hooghlysub-area445,8 km²overlap192.50 km²3%
- Bassin de Ichamatisub-area385,4 km²overlap179.21 km²3%
11 more basinssorted by overlap
- Bassin de Kodalia Riversub-area458,5 km²overlap157.35 km²3%
- Bassin de Kholpetua Riversub-area1 417,4 km²overlap115.04 km²2%
- Basin #26340sub-area122,2 km²overlap110.94 km²2%
- Bassin de Krishnapur Canalsub-area635,2 km²overlap95.98 km²2%
- Bassin de Ichamatisub-area188,4 km²overlap83.43 km²1%
- Bassin de Ichamatisub-area57,5 km²overlap57.40 km²1%
- Basin #26260sub-area41,2 km²overlap34.62 km²1%
- Bassin de কপোতাক্ষ নদsub-area1 515,7 km²overlap33.92 km²1%
- Bassin de Ichamatisub-area119,5 km²overlap15.90 km²0%
- Basin #26370sub-area158,5 km²overlap8.28 km²0%
- Bassin de Ichamatisub-area6,9 km²overlap6.12 km²0%
Lakes (50, top by area)
- Lake #15573area17,9 km²avg depth1.0 m
- Lake #77782area8,6 km²avg depth1.7 m
- Lake #77769area8,5 km²avg depth1.4 m
- Lake #77677area8,1 km²avg depth1.5 m
- Lake #77816area7,8 km²avg depth0.9 m
- Lake #77804area7,3 km²avg depth0.7 m
- Lake #77809area6,2 km²avg depth0.6 m
- Lake #77686area5,9 km²avg depth1.0 m
- Lake #77757area5,5 km²avg depth0.9 m
41 more lakes
- Lake #77648area4,8 km²avg depth1.4 m
- Lake #77710area4,4 km²avg depth1.2 m
- Lake #77749area4,3 km²avg depth1.1 m
- Lake #77707area4,3 km²avg depth0.7 m
- Lake #77702area4 km²avg depth1.2 m
- Lake #77759area3,8 km²avg depth1.2 m
- Lake #77839area3,8 km²avg depth1.3 m
- Lake #77751area3,4 km²avg depth0.9 m
- Lake #77776area3,4 km²avg depth1.2 m
- Lake #77779area3,3 km²avg depth1.6 m
- Lake #77676area3,3 km²avg depth1.1 m
- Lake #77703area3,2 km²avg depth0.6 m
- Lake #77699area3 km²avg depth1.0 m
- Lake #77739area2,7 km²avg depth1.4 m
- Lake #77592area2,7 km²avg depth2.9 m
- Lake #77700area2,6 km²avg depth1.5 m
- Lake #77728area2,6 km²avg depth0.7 m
- Lake #77771area2,6 km²avg depth1.2 m
- Lake #77723area2,5 km²avg depth0.7 m
- Lake #77701area2,4 km²avg depth1.3 m
- Lake #77718area2,3 km²avg depth1.2 m
- Lake #77665area2,1 km²avg depth1.3 m
- Mathura Bilarea2 km²avg depth2.3 m
- Lake #77661area1,9 km²avg depth1.0 m
- Lake #77605area1,9 km²avg depth2.7 m
- Lake #77783area1,9 km²avg depth1.0 m
- Lake #77850area1,9 km²avg depth1.3 m
- Lake #77794area1,8 km²avg depth0.6 m
- Lake #77720area1,7 km²avg depth0.6 m
- Lake #77732area1,6 km²avg depth0.7 m
- Lake #77655area1,5 km²avg depth1.4 m
- Lake #77659area1,5 km²avg depth0.9 m
- Lake #77656area1,5 km²avg depth1.5 m
- Lake #77724area1,5 km²avg depth1.0 m
- Lake #77698area1,5 km²avg depth0.8 m
- Lake #77764area1,4 km²avg depth1.0 m
- Lake #77719area1,4 km²avg depth0.8 m
- Lake #77766area1,4 km²avg depth1.0 m
- Lake #77646area1,4 km²avg depth1.2 m
- Lake #77780area1,3 km²avg depth1.0 m
- Lake #77729area1,3 km²avg depth0.6 m
Rivers / streams (23, ord ≥ 4)
- Ichamatiord 5len here156.82 km54%total291 km
- Bidyadhari Khaalord 4len here65.37 km100%total65 km
- Hooghlyord 6len here34.05 km14%total244 km
- Jamuna Riverord 4len here33.39 km44%total77 km
- Dansaord 3len here20.70 km75%total28 km
- Kodalia Riverord 4len here20.33 km63%total32 km
- Choita riverord 2len here19.71 km100%total20 km
- Kalindiord 4len here17.86 km53%total34 km
- canalord 2len here17.76 km100%total18 km
- Noaiord 2len here8.06 km100%total8 km
- Bagjola Canalord 2len here7.66 km56%total14 km
- Pocha Khalord 3len here7.16 km93%total8 km
11 more river segmentssorted by Strahler order + length
- Krishnapur Canalord 2len here6.75 km53%total13 km
- Noaiord 2len here6.57 km100%total7 km
- Nalaord 1len here5.79 km100%total6 km
- Morali Riverord 2len here3.26 km100%total3 km
- Bagjola Canalord 1len here2.31 km35%total7 km
- Krishnapur Canalord 4len here1.64 km5%total30 km
- Bagjola Canalord 1len here0.94 km99%total1 km
- Ichamatiord 1len here0.32 km50%total1 km
- কপোতাক্ষ নদord 4len here0.14 km0%total333 km
- Ichamatiord 1len here0.09 km1%total8 km
- Morrichap Riverord 1len here0.06 km1%total7 km
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
15hab/km²
Night light
2,4nW
Built-up
208,4%
Pesticides
2,6kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas2
IUCN Ia · 1IUCN Not Applicable · 1🌊 Marine · 2
Sundarbans National Park
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 1987
1 038 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN