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| Mulkirigala Lagoon | |
|---|---|
| Name | Mulkirigala Lagoon |
| Location | Southern Province, Sri Lanka |
| Type | Lagoon |
| Inflow | Local rivers and streams |
| Outflow | Indian Ocean |
| Basin countries | Sri Lanka |
| Area | ~0.5–2 km² |
Mulkirigala Lagoon is a small coastal lagoon located on the southern coast of Sri Lanka near the town of Mulkirigala and the historic Mulkirigala Raja Maha Vihara. The lagoon lies within Hambantota District, proximal to the Indian Ocean and the Ruhuna lowlands, forming part of the mosaic of estuarine wetlands that characterize the Southern Province. Its setting adjacent to roads linking Tangalle, Hambantota, and Matara places it within a network of transport and settlement nodes.
The lagoon is situated in the dry zone plain of the Southern Province, near the archaeological site of Mulkirigala Raja Maha Vihara and the town of Tangalle, within Hambantota District. It occupies a coastal embayment near the Indian Ocean and lies downstream of small catchments draining the Ruhuna lowlands toward the coast. The surrounding landscape includes rice paddies associated with the Mahaweli Development Program-era irrigation patterns, coconut plantations similar to those around Galle and Matara, and stretches of coastal scrub reminiscent of habitats around Yala National Park and Bundala National Park. Road access is provided by routes that connect to Colombo via the A2 highway and to port infrastructure near Hambantota Port.
Hydrologically, the lagoon is fed by seasonal streams and monsoonal runoff influenced by the Southwest monsoon and the Northeast monsoon patterns that affect Sri Lanka. Its salinity regime fluctuates with tidal exchange with the Indian Ocean and episodic freshwater input during monsoon events, producing brackish conditions similar to other lagoons along the southern littoral such as those near Pallekele and Negombo. The lagoon supports mangrove assemblages related to Rhizophora and Avicennia taxa and provides habitat for wetland birds recorded in inventories from Ramsar-listed sites in Sri Lanka, echoing species lists compiled for Bundala National Park and Kumana National Park. Aquatic communities include estuarine fish and crustaceans comparable to species documented in the coastal fisheries of Galle and Hambantota.
The lagoon occupies territory near historical and religious landmarks such as Mulkirigala Raja Maha Vihara, a Buddhist complex historically visited by pilgrims from the Kandyan Kingdom period and earlier. The broader region has been part of maritime routes referenced in chronicles associated with Anuradhapura and Polonnaruwa, and later saw contact during the periods of Portuguese Ceylon, Dutch Ceylon, and British Ceylon. Local communities around the lagoon have maintained cultural practices tied to coastal Sinhala and Muslim traditions, intersecting with festivals observed in nearby towns like Tangalle and Ambalantota. Colonial-era maps held in collections related to Fort Galle and administrative records from Sri Lanka Transport Board routes document settlement patterns that influenced lagoon use.
The lagoon functions as a local fishery supporting artisanal fishers using gear and craft typologies comparable to those recorded in studies from Negombo, Trincomalee, and Jaffna. Target species include estuarine fish and penaeid shrimp also important to markets in Colombo and Hambantota. Surrounding land supports agriculture—coconut, paddy, and chilies—linked to supply chains serving marketplaces in Matara and Galle. Small-scale aquaculture initiatives in the region mirror projects supported by agencies such as the Department of Fisheries and Aquatic Resources and development programs associated with Asian Development Bank and bilateral partners. Seasonal variations in productivity influence livelihoods and migration to urban centers like Colombo and Galle.
Environmental pressures on the lagoon reflect patterns documented across Sri Lankan coastal wetlands: mangrove clearance, conversion to agriculture, encroachment from settlements near Hambantota, and impacts from coastal infrastructure projects including the expansion of Hambantota Port and adjacent road corridors. Cyclonic storm impacts tied to changing climate indices monitored by the Meteorological Department (Sri Lanka) and sea level trends reported by regional studies affect tidal exchange and salinity. Conservation responses draw on frameworks used for nearby protected areas such as Bundala National Park and Ramsar-designated wetlands; stakeholders include the Department of Wildlife Conservation, local NGOs, and community-based organizations working on mangrove restoration and sustainable fisheries management in concert with academic partners from institutions like the University of Colombo and the University of Ruhuna.
Tourism in the lagoon area is closely linked to pilgrimage tourism at Mulkirigala Raja Maha Vihara, coastal beach tourism in Tangalle and Mirissa, and eco-tourism initiatives that model activities offered in Yala National Park and Bundala National Park. Birdwatching, guided boat trips, and cultural visits combine natural and heritage attractions marketed through tour operators serving routes between Colombo International Airport (Katunayake), Mattala Rajapaksa International Airport, and southern resorts. Community tourism ventures coordinate with provincial tourism bodies and conservation NGOs to develop low-impact experiences similar to those promoted in other southern wetland sites.
Category:Lagoons of Sri Lanka