The grade of coal varies. Mainly this is a high-quality power fuel. There are coal deposits, which are suitable for chemical processing, and reception of fuel oil. Peat is suitable for use in fertilizers, heat-insulating material, and for the absorption in water and soil, of pollutants resulting from petroleum products. Timber resources Most of Sakhalin Island, is located in a taiga zone, and is covered in forest.
Coniferous forests are prevalent.
The silver firs and white woods produce valuable softwood. Sakhalin is one of the economic leaders in timber resources of The Russian Far East. There are sable, fox, mink, squirrel, hare, bear, and reindeer in the forests of Sakhalin. These woods are rich with berries, medicinal plants, and wild plants including bracken .