美国:美国的阔叶材原木出口自2005至2013年一路下跌,从241万m~3的高点降至15年来的最低值154万m~3。进入21世纪后,美国的阔叶材工业由于木材采伐量和可出口原木双双减少而严重萎缩。由于加拿大的木材加工厂和造纸厂减产,从美国进口的针叶材原木也大幅减少。而且,全球经济下滑也使欧洲和亚洲的很多市场受到冲击。2010年以来,美国阔叶材工业开始复苏,但 United States: Exports of hardwood logs in the United States decreased from 2005 to 2013, dropping from a peak of 2.41 million m 3 to a minimum of 1.54 million m 3 in 15 years. After entering the 21st century, the hardwood industry in the United States has suffered a serious decline due to the reduction of both timber harvests and the export of logs. Coniferous wood logs imported from the United States have also been significantly reduced due to the reduced production of Canadian wood processing and paper mills. Moreover, the global economic downturn has also hit many markets in Europe and Asia. Since 2010, the American hardwood industry has started to recover, however