Forests cover and area of , or 57% of the island. Tree species include walnut tree and European nettle tree. In November 2011 some 2,500 seedlings of the pedunculate oak were planted. Higher forest coverage influences the micro climate and provides new habitats for the birds. Autochthonous tree species include willow and poplar. By November 2017, the island has been populated with 5,850 seedlings of pedunculate oak, 1,000 of narrow-leafed ash, 1,755 of European white elm and 800 of black poplar.