Osa Game Conservation Project, Jamur Sub-District, West Papua Province
In this area, the critically endangered leatherback sea turtle lays about 1,000 to 2,000 nests annually. It is the largest nesting site in the Pacific region and the third largest in the world, but the decline in the number of nests continues unabated.
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basic information
【Features】 ○ Conservation activities and breeding surveys for the loggerhead sea turtle. ○ Monitoring surveys of nesting sites and purchase of eggs. ○ Measures against damage caused by wild boars. ● For more details, please contact us or refer to the catalog.
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Applications/Examples of results
Wild pigs, brought in by humans, have become feral and are breeding, leading to problems with egg predation by these wild boars. The predation rate averaged about 60% along the entire coast, reaching as high as approximately 80% in some areas. As a countermeasure, electric fences designed to keep wild boars away from farmland were installed. In March 2001, electric fences were set up along a 1,600-meter stretch of coast where the predation rate was highest, and in July, an assessment showed that the predation rate dropped from an average of 83% along the entire coast to 24%, and in the areas with electric fences, it decreased from 83% to 8.8%. Additionally, in July 2002, the electric fence was extended by another 800 meters, and in September, a survey revealed that the predation rate had successfully decreased to 11% on average along the entire coast and to 7% in the areas with electric fences. Although there were damages from a tsunami, the system is still functioning without issues and is contributing to an increase in the number of hatchling turtles returning to the sea.
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Company information
This organization was established in August 1999 with the aim of conserving marine life in the Asian region and the surrounding marine environment. Initially, it functioned solely as the domestic liaison for Yayasan Penyu Laut Indonesia - Pusat Penelitian Penyu Indonesia (Indonesian Sea Turtle Research Center), a local NGO in Indonesia. However, in July 2002, it received certification as a specified nonprofit organization (NPO) and, with its incorporation, began substantial activities in the field. The organization's English name, Everlasting Nature of Asia, is abbreviated to ELNA.