Sustainability Effort of Traditional “Lubuk Larangan” Forbidden Deep Pool Stream

This research paper sought the river fish conservation data in Sumatra Island, which applies the local wisdom. An exploration research procedure was carried out toward the traditional “Lubuk Larangan”; a forbidden deep pool stream in preserving the river’s ecology and keep fish stock. The obtained data indicates that Lubuk Larangan cultural tradition revives since 1980. Now many villages in Sumatera have Lubuk Larangan Locations. Locations are scattered in the four provinces of Sumatera, such as West Sumatra, Jambi, Riau and North Sumatra. Data analysis shows that the merged of cultural tradition of Minangkabau of West Sumatera with innovation in handling Lubuk Larangan appeared and the Mandailing community of North Sumatera makes the local concession to improve Lubuk Larangan policy. The local community establishes Lubuk Larangan to restore the destructed environment and keep the life cycles of river fish. It is a sustainability way to overcome the exceeded fishing exploitation in the rivers.