Sundarbans Reserved Forest
IUCN Not ReportedWetland of International Importance (Ramsar Site) · 1992
4 953 km²
Distict · BGD
Satkhira
Bangladesh
AwTropical, savannah(99 %)
Species observed
234
Observations
2 034
Area
3 412,8km²
Ecological tissue
Sample of 29 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 Satkhira : 23 espèces dont 1 patrimoniale (LR IUCN CR/EN/VU) reliées par 41 interactions GloBI sur 4 types (connectance 10.1%, filtre Serrano α=0.2). 6 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).
Espèces affichées
29
Interactions affichées
41
Connectance
0.101
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
234 distinct species · 2 034 observations
Source: GBIF Occurrence snapshot 2026-05-01.
Climate
Mean T°
26,2°C
Annual rain
1 953mm
Warmest m°
33,7°C
Coldest m°
14,6°C
Elevation: 3 m on average (min -76 m, max 7 m)
Bioclimatic details19 BIO + Köppen full + altitude statsExpert
Annual mean temp.
26,2°C
Annual rain
1 953mm
Warmest month
33,7°C
Coldest month
14,6°C
Mean alt.
3m
Min
-76m
Max
7m
Std. dev.
2m
Köppen-Geiger (dominant)
AwTropical, savannah(99 %)Tropical
CHELSA BIO 1-19 v2.1 · ETOPO DEM 60s · Köppen-Geiger 1991-2020 (Beck et al. 2018)
Soil & lithology
pH H₂O
6,0
Org. C
30,3g/kg
Clay
38,3%
Sand
12,5%
Silt
49,2%
Average over 0-30 cm. Per-depth details in expert panel.
Dominant lithology: wbGLiM
3 soil depths detailed0-5cm / 5-15cm / 15-30cm × 5 propsExpert
0–5 cm
pH H₂O
6,0
Org. C
38,0g/kg
Clay
37,8%
Sand
12,7%
Silt
49,5%
5–15 cm
pH H₂O
6,0
Org. C
32,3g/kg
Clay
38,2%
Sand
12,4%
Silt
49,5%
15–30 cm
pH H₂O
6,1
Org. C
20,5g/kg
Clay
39,0%
Sand
12,3%
Silt
48,6%
SoilGrids 250m (ISRIC, 2017) · GLiM v1.0 (Hartmann & Moosdorf 2012)
Land cover
Forest20.7%
Crops35.6%
Built-up0.7%
Bare soil0.9%
Other (grassland, water…)42.1%
Copernicus Global Land Cover 100m (Buchhorn et al. 2020)
Hydrology14 basins · 50 lakes · 14 rivers
Hydrology metrics for this exact territory
Stream length here
239,1km
Lake surface here
233,49km²
Basins crossed
14
Max stream order
5
Max drainage
4 420km²
Discharge in basins
118,9m³/s
Mean precip.
1 743mm/an
Mean T°
26,2°C
Moisture idx
0,14
Mean runoff
871mm/an
Mean elev. (basins)
4m
Watersheds crossing here
- Bassin de Kholpetua Riversub-area1 417,4 km²overlap1121.79 km²33%
- Bassin de কপোতাক্ষ নদsub-area1 515,7 km²overlap588.37 km²17%
- Bassin de Morrichap Riversub-area508,2 km²overlap459.32 km²13%
- Bassin de Ichamatisub-area612,1 km²overlap202.15 km²6%
- Bassin de Kholpetua Riversub-area184,5 km²overlap174.05 km²5%
- Basin #26190sub-area152,5 km²overlap152.00 km²4%
- Basin #26170sub-area146,4 km²overlap146.06 km²4%
- Bassin de Kholpetua Riversub-area131,4 km²overlap128.69 km²4%
- Bassin de Ichamatisub-area188,4 km²overlap104.46 km²3%
Lakes (50, top by area)
- Lake #15563area21,8 km²avg depth1.0 m
- Lake #15574area20,3 km²avg depth1.0 m
- Anis Mondolarea18,1 km²avg depth1.0 m
- Lake #15569area15,6 km²avg depth1.0 m
- Lake #15561area14,6 km²avg depth1.0 m
- Patakhali School pukurarea13,6 km²avg depth1.0 m
- Lake #77781area7,2 km²avg depth1.7 m
- Nazirergher-2area6,8 km²avg depth1.6 m
- Lake #77807area6,3 km²avg depth1.7 m
41 more lakes
- Lake #77640area6,1 km²avg depth1.3 m
- Lake #77725area5,2 km²avg depth1.6 m
- Lake #77823area5 km²avg depth1.1 m
- Lake #77797area4,5 km²avg depth1.0 m
- Lake #77637area4,1 km²avg depth1.1 m
- Lake #77868area4,1 km²avg depth0.5 m
- Lake #77817area3,8 km²avg depth1.4 m
- Lake #77882area3,7 km²avg depth0.9 m
- prosanto bacherarea3,4 km²avg depth0.7 m
- Lake #77857area3,4 km²avg depth0.6 m
- Lake #77860area3,2 km²avg depth1.1 m
- Lake #77873area3,2 km²avg depth0.9 m
- Lake #77691area2,9 km²avg depth1.8 m
- Lake #77848area2,9 km²avg depth1.1 m
- Lake #77886area2,8 km²avg depth0.9 m
- Lake #77734area2,8 km²avg depth1.0 m
- Lake #77672area2,7 km²avg depth0.8 m
- Lake #77803area2,7 km²avg depth0.8 m
- Lake #77877area2,7 km²avg depth0.5 m
- Lake #77679area2,6 km²avg depth1.4 m
- Nur islamarea2,6 km²avg depth1.1 m
- Lake #77756area2,4 km²avg depth1.0 m
- Lake #77871area2,4 km²avg depth0.8 m
- Lake #77666area2,3 km²avg depth1.2 m
- Lake #77629area2,3 km²avg depth1.1 m
- Lake #77650area2,3 km²avg depth0.6 m
- Lake #77740area2,2 km²avg depth0.9 m
- Lake #77743area2,2 km²avg depth0.5 m
- Lake #77846area2,1 km²avg depth0.6 m
- Lake #77866area2 km²avg depth0.5 m
- Lake #77859area1,9 km²avg depth0.5 m
- Lake #77875area1,8 km²avg depth0.8 m
- Lake #77881area1,5 km²avg depth0.6 m
- Lake #77883area1,5 km²avg depth0.5 m
- Lake #77767area1,5 km²avg depth0.8 m
- Lake #77856area1,4 km²avg depth0.5 m
- Lake #77793area1,4 km²avg depth0.7 m
- Lake #77874area1,4 km²avg depth0.5 m
- Lake #77647area1,4 km²avg depth1.5 m
- Lake #77863area1,4 km²avg depth0.5 m
- Lake #77837area1,4 km²avg depth0.7 m
Rivers / streams (14, ord ≥ 4)
- কপোতাক্ষ নদord 4len here78.05 km23%total333 km
- Ichamatiord 5len here48.76 km17%total291 km
- Morrichap Riverord 3len here27.39 km100%total27 km
- কপোতাক্ষ নদord 3len here15.64 km53%total30 km
- Betna Riverord 2len here14.79 km100%total15 km
- Kholpetua Riverord 2len here14.00 km100%total14 km
- Sapmara Khalord 3len here8.47 km100%total8 km
- Kholpetua Riverord 2len here6.82 km100%total7 km
- Morrichap Riverord 1len here6.63 km99%total7 km
- Ichamatiord 2len here6.44 km100%total6 km
- Kholpetua Riverord 2len here6.08 km69%total9 km
- Ichamatiord 1len here4.79 km64%total8 km
2 more river segmentssorted by Strahler order + length
Live spatial overlap (cached after first hit) · HydroBASINS lev08 × HydroLAKES × HydroRIVERS v10
Human pressure
Pop. density
5hab/km²
Night light
0,2nW
Built-up
71,9%
Pesticides
15,5kg/km²
GHSL POP/Built 2020 · VIIRS lumière nocturne · PEST-CHEMGRIDS 2020 (Maggi et al.)
Protected areas3
IUCN Not Reported · 1IUCN Not Applicable · 1IUCN Ib · 1🌊 Marine · 3
The Sundarbans
IUCN Not ApplicableWorld Heritage Site (natural or mixed) · 1997
1 720 km²
Sundarban West
IUCN IbWildlife Sanctuary · 2017
1 194 km²
WDPA (World Database on Protected Areas) — UNEP-WCMC & IUCN
Sub-administrations35
- AnuliaSubdivision
- AssasuniSubdivision
- AtuliaSubdivision
- BaradalSubdivision
- BhuruliaSubdivision
- BudhhataSubdivision
- Buri GoaliniSubdivision
- DebhataSubdivision
- DhandiaSubdivision
- GaburaSubdivision
- IshwaripurSubdivision
- IslamkatiSubdivision
- KadakatiSubdivision
- KaikhaliSubdivision
- KalaroaCommune
- KashimariSubdivision
- KhajraSubdivision
- KhalilnagarSubdivision
- KhalishkhaliSubdivision
- KhesraSubdivision
- MaguraSubdivision
- MunshiganjSubdivision
- NagarghataSubdivision
- NurnagarSubdivision
- Padma PukurSubdivision
- Pratap NagarSubdivision
- Ramjan NagarSubdivision
- SaruliaSubdivision
- Satkhira RangeSubdivision
- Satkhira SadarCommune
- ShyamnagarSubdivision
- SobhnaliSubdivision
- SreeulaSubdivision
- TalaSubdivision
- TentuliaSubdivision