Lake Baao
13°28'N, 123°18'E; approximately 4.8 km northwest of Baao Town, Camarines Sur Province, southeastern Luzon.
177 ha.


Biogeographical Province:
Wetland type:
14 & 21.
Description of site:
A small freshwater lake and associated marshes with some swamp forest. The lake is fed by local run-off and several small rivers, and drains west into the Bicol River. The average depth of water is one metre, the dissolved oxygen values range from 8.0 to 8.8 p.p.m., the pH value is 6.4, and the total hardness (SBV) is 2.0. The water recedes during the summer months, and at the lowest water level, only one third of the lake area remains.
Climatic conditions:
Humid tropical climate with the rainfall more or less evenly distributed throughout the year (Type IV).
Principal vegetation:
The dominant aquatic species include Ipomoea reptans, Nymphaea sp and Hydrilla sp.
Land tenure:
No information.
Conservation measures taken:
Conservation measures proposed:
Land use:
The wetland is used for fish production, the most important species being mudfish Ophicephalus striatus, catfish Clarias sp and the tilapias Tilapia mossambica, T. nilotica. Wild ducks are caught in the area and sold to nearby municipalities.
Possible changes in land use:
Disturbances and threats: No information.
Economic and social values: Important for its fisheries production.
Fauna: The lake supports numerous waterfowl, particularly ducks and shorebirds.
Special floral values: No information.
Research and facilities: Some studies have been carried out by the Bicol River Basin Development Program in San Jose, Pili.
References: Rinconada Integrated Development Project Feasibility Study (1979).
Criteria for inclusion: 1b, 3b.
Haribon Foundation.