Poplar and willow forests in Yugoslavia have an area of 150,000 ha, be-ing 1.5% of the national total, but the timber output is 8% of the gross national pro-duction.

• 南斯拉夫共有杨柳树林地15万公顷；仅占森林面积的1.；5%25；但其木材产量却占全国木材总产量的8%25。