随着我国中西部地区的建设开展,三大基建材料之一的木材需求急剧上升,据估计,仅陕西省用在公路、铁路、电网建设上的木材消费达200亿元,中西部在木材上的使用额超过1000亿元。由于中西部地区地处长江或黄河上游,木材供应有限,目前建设用的木材主要来自俄罗斯、东北及西南地区, With the construction of the central and western regions in China, the demand for timber, one of the three major infrastructure materials, has risen sharply. It is estimated that only the timber used in the construction of highways, railways and power grids in Shaanxi Province reaches 20 billion yuan. The use of more than 100 billion yuan. As the central and western regions are located in the upper reaches of the Yangtze River or the Yellow River, timber supply is limited. At present, timber for construction mainly comes from Russia, northeast and southwest regions,