Wetlands of Bengal

Leram Lake (Acharya Jagadish Chandra Bose Indian Botanic Garden)

Leram Lake
Data Depositor Name : Admin Contact Info: Admin
Coordinates
From
To
Mean
Latitude
22°22′49″ N
—
—
Longitude
—
—
87°58′30″ E
District: Howrah, West Bengal
Nearest Location: Balarampur Village, Uluberia-I or Bagnan-II CD Block
Type: Inland Freshwater Wetland; Mostly Permanent
Area: 125 hectares (varies by season)
Depth: ~2 m (typical for small dighi; can deepen to 3–4 m at center during monsoon)
Elevation: 5–8 m (within typical Howrah–Kolkata floodplain range)
Water Regimes
Main source of water: Rainfall, local runoff (typical for inland lakes); no documented river inflow data
Permeance: Likely seasonal to mostly permanent (not documented but typical for natural lakes in region)
Destination: Likely local groundwater recharge & downstream drainage; no mapped outflow river
Salinity: Fresh (< 0.5 g/l)
Climate
Humidity: High seasonal humidity typical of the Gangetic delta climate
Annual Rainfall :1,450–1,500 mm
Temperature: Regional range ~15–38 °C (typical coastal Bengal plains
Major landuse within zone of influence
Forests
Plantation
Agriculture
Settlements (Rural)
Settlements (Urban)
Industrial
Others
Notable Plant Species
Not documented specifically for Leram Lake; typical freshwater aquatic flora may occur
Notable Animal Species
Not documented; standard urban freshwater faunal assemblages probable (fish, amphibians, birds)
Conservation Sensitive Species
No published records specifically for Leram Lake
Invasive Species
Water Hyacinth (Eichhornia crassipes)
Ecosystem Benefits
Community Fishing (without any lease or permission from government dept
Fishing under lease from government department
Harvest of plants (without any lease or permission from government dept
Harvest of plants under lease from government department)
Agriculture or horticulture within wetland
Grazing
Religious practices
Withdrawal of water for domestic use
Withdrawal of water for agriculture or fisheries
Bathing or wallowing of domestic animals
Others
Threats
Status
Level
Hydrological regime alteration
Existing
Medium
Salinization
NA
NA
Siltation
Existing
Medium
Pollution
Existing
Low
Encroachment
Existing
Medium
Unsustainable harvest of wetland resources
Existing
Medium
Over grazing
Existing
Medium
Unsustainable water abstraction
Existing
Medium
Mining (e.g. salt, sand or laterite)
NA
NA
Spread of invasive species
Existing
Medium
Regime fragmentation
NA
NA
Tourism pressure
Existing
Low
Extreme events / Climate change
Existing
High
Intensive agriculture
Existing
High
Intensive Aquaculture
NA
NA
Coastal erosion
NA
NA
Changes in water inflow and outflow
Existing
High
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