Porajhar Jheel
Data Depositor Name : Samriddha Chakravorty
Contact Info: samriddhachakravorty2003@gmail.com
Coordinates
From
To
Mean
Latitude
26.69° N
26.72° N
26.705° N
Longitude
88.44° E
88.48° E
88.46° E
Wetland Name: Porajhar Jheel
Village: Porajhar Village
District: Jalpaiguri
Type: Floodplain wetland
Area: 15–30 hectares
Depth: 1.5–3 m
Elevation: 120–130 m above sea level
Inland: Yes
Water Regimes
Main source of water: River overflow from nearby channels of the Teesta River, Surface runoff, Monsoon rainfall
Permeance: Seasonal to semi-perennial
Destination: Local drainage channels and nearby river systems
Salinity: Fresh (< 0.5 g/l)
Climate
Humidity: 70–90%
Annual Rainfall : 3000–3500 mm
Temperature: Summer: 25–35 °C
Major landuse within zone of influence
Forests
Plantation
Agriculture
Settlements (Rural)
Settlements (Urban)
Industrial
Others
Notable Plant Species
Phragmites karka (Common reed), Typha angustifolia, Eichhornia crassipes,
Notable Animal Species
Small indigenous freshwater fish, Frogs and toads, Snails and aquatic insects , Water birds (egrets, herons, kingfishers)
Conservation Sensitive Species
Migratory water birds (seasonal), Native fish species vulnerable to habitat change
Invasive Species
Oreochromis spp. (Tilapia)
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
Existing
Medium
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
Existing
High
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