Forests cover about 39% of the country's area but have been largely unexploited because of a lack of transportation facilities. Nearly all forestland is government-owned. Hardwood, particularly mahogany, is produced for export in Darién and along the Pacific coast in Veraguas. Abacá fiber, which is obtained in Bocas del Toro and is used in the making of marine cordage, is a valuable forest product. Approximately 30% of Panama's natural forests are still unused. In order to protect and preserve native forests, the National Association for the Conservation of Nature has begun a vast reforestation program. Production of roundwood was 1,357,000 cu m (47.9 million cu ft) in 2000, 94% used as fuel wood.