Sundarban Wetland
IUCN IaWetland of International Importance (Ramsar Site) · 2019
4 244 km²
Commune · IND
Basirhat
India
AwTropical, savannah(100 %)
Species observed
247
Observations
5 564
Area
2 609,9km²
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).
RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique
Indicateurs du tissu écologique
Tissu écologique de Basirhat : 25 espèces dont 2 patrimoniales (LR IUCN CR/EN/VU) reliées par 39 interactions GloBI sur 3 types (connectance 7.9%, filtre Serrano α=0.2). 7 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
32
Interactions affichées
39
Connectance
0.079
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
247 distinct species · 5 564 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,2°C
Annual rain
1 876mm
Warmest m°
33,8°C
Coldest m°
14,2°C
Elevation: 3 m on average (min -51 m, max 7 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,2°C
Annual rain
1 876mm
Warmest month
33,8°C
Coldest month
14,2°C
Mean alt.
3m
Min
-51m
Max
7m
Std. dev.
2m
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
6,2
Org. C
22,3g/kg
Clay
38,9%
Sand
9,2%
Silt
51,9%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: suGLiMaggregated to North 24 Parganas
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,1
Org. C
29,6g/kg
Clay
38,7%
Sand
9,4%
Silt
51,9%
5–15 cm
pH H₂O
6,2
Org. C
22,6g/kg
Clay
38,6%
Sand
9,1%
Silt
52,3%
15–30 cm
pH H₂O
6,2
Org. C
14,8g/kg
Clay
39,4%
Sand
9,0%
Silt
51,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest18.7%
Crops42.4%
Built-up0.8%
Bare soil1.9%
Other (grassland, water…)36.3%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology13 basins · 50 lakes · 10 rivers
Hydrology metrics for this exact territory
Stream length here
140,4km
Lake surface here
164,47km²
Basins crossed
13
Max stream order
5
Max drainage
3 404km²
Discharge in basins
215,2m³/s
Mean precip.
1 654mm/an
Mean T°
26,3°C
Moisture idx
0,10
Mean runoff
871mm/an
Mean elev. (basins)
4m
Watersheds crossing here
- Bassin de Bidyadhari Khaalsub-area1 583,7 km²overlap849.11 km²33%
- Basin #26280sub-area1 888,8 km²overlap615.12 km²24%
- Bassin de Ichamatisub-area612,1 km²overlap385.05 km²15%
- Basin #26350sub-area750,1 km²overlap318.51 km²12%
- Bassin de Kholpetua Riversub-area1 417,4 km²overlap115.04 km²4%
- Bassin de Ichamatisub-area188,4 km²overlap83.43 km²3%
- Bassin de Jamuna Riversub-area950,1 km²overlap67.63 km²3%
- Bassin de Ichamatisub-area57,5 km²overlap57.40 km²2%
- Bassin de Ichamatisub-area385,4 km²overlap49.27 km²2%
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 #77710area4,4 km²avg depth1.2 m
- Lake #77707area4,3 km²avg depth0.7 m
- Lake #77749area4,3 km²avg depth1.1 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 #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
- 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 #77656area1,5 km²avg depth1.5 m
- Lake #77724area1,5 km²avg depth1.0 m
- Lake #77698area1,5 km²avg depth0.8 m
- Lake #77719area1,4 km²avg depth0.8 m
- Lake #77764area1,4 km²avg depth1.0 m
- Lake #77766area1,4 km²avg depth1.0 m
- Lake #77646area1,4 km²avg depth1.2 m
- Lake #77729area1,3 km²avg depth0.6 m
- Lake #77780area1,3 km²avg depth1.0 m
- Lake #77800area1,3 km²avg depth0.5 m
- Lake #77852area1,3 km²avg depth0.9 m
- Lake #77687area1,3 km²avg depth0.7 m
- Lake #77711area1,3 km²avg depth1.1 m
- Lake #77784area1,2 km²avg depth0.7 m
- Lake #77741area1,1 km²avg depth0.5 m
- Lake #77664area1,1 km²avg depth0.5 m
- Lake #77652area1,1 km²avg depth0.9 m
Rivers / streams (10, ord ≥ 4)
- Ichamatiord 5len here77.04 km26%total291 km
- Dansaord 3len here20.70 km75%total28 km
- Kalindiord 4len here17.86 km53%total34 km
- Jamuna Riverord 4len here14.43 km19%total77 km
- Krishnapur Canalord 2len here6.75 km53%total13 km
- Bidyadhari Khaalord 4len here2.22 km3%total65 km
- Bagjola Canalord 1len here0.94 km99%total1 km
- Ichamatiord 1len here0.32 km50%total1 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
8hab/km²
Night light
0,6nW
Built-up
76,5%
Pesticides
2,5kg/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