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Lake
Wood
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Location:
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7°51'N, 123°10'E; 29 km west of Pagadian City, Margosatubig Municipality, Zamboanga del Sur Province, western Mindanao. |
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Area:
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792 ha. |
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Altitude:
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320m. |
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Biogeographical
Province:
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4.26.12. |
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Wetland
type:
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14. |
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Description
of site:
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A shallow, freshwater lake with associated marshes in the hills north of Malangas and Igot Bay. The lake is fed by local run-off and several small rivers. Although it becomes very shallow in summer, it does not dry out completely. It overflows through the Bisuangan Creek into the Kumalarang River. The pH value ranges from 6.5 to 7.0, and the dissolved oxygen level from 8.0 to 12.0 p.p.m. |
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Climatic
conditions:
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Humid tropical climate with the rainfall more or less evenly distributed throughout the year (Type IV). |
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Principal
vegetation:
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The dominant species around the lake is Lumbia sp (Palmae). There are also some marsh grasses and filamentous algae such as Cladophora sp. Surrounding areas are under cultivation for coconuts, corn, sweet potatoes and other crops. |
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Land
tenure:
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The lake is state owned; parts of the surrounding land are under private ownership. |
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Conservation
measures taken:
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The lake is situated within a Bureau of Forest Development Protected Area. A municipal ordinance prohibits the construction of houses within 50 metres of the lake shore. |
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Conservation
measures proposed:
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Land
use:
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Fishing. Major fisheries include Ophicephalus striatus, Tilapia sp and Glossogobisa giurus; minor fisheries include Cyprinus carpio, Anguilla sp. and Anabas testudineus. |
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Possible
changes in land use:
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| Disturbances and threats: | The lake is threatened by excessive fishing, while adjacent ares are subjected to heavy hunting pressure. |
| Economic and social values: | The lake's fishery is one of the primary sources of food and income for the local people. |
| Fauna: | The lake is known to be of some importance for waterfowl, but no details are available. |
| Special floral values: | No information. |
| Research and facilities: | Some work has been carried out on the lake's fishery. |
| References: | Bureau of Fisheries and Aquatic Resources (1984-85). |
| Criteria for inclusion: | 1b. |
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Source:
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Haribon Foundation. |