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一、调查地区的自然概况鄂西南山区是湖北省最主要的杉木林区,蓄积量达300多万立方米。杉木的分布遍及全区各县的低山和高山地区,海拔1,800米左右,还有天然林的分布(如恩施县的太山庙、利川县的齐岳山等高岭上)。 1955年各地国营林场便开始营造杉木丰产试验林,现已成林面积约4,300余亩,总面积达8,500余亩。此次调查的地区,包括恩施专区的来凤、鹤峯、咸丰、恩施、巴东、利川各县,共六个国
First, the natural survey of the region profile Hubei Province, Hubei Province is the most important mountain area of ?? Chinese fir, volume of more than 300 million cubic meters. Cunninghamia lanceolata distributed throughout the region’s low mountain and mountainous areas, 1,800 meters above sea level, as well as the distribution of natural forests (such as Enshi County Taishan Temple, Qichuan Yuechuan County, etc.). In 1955, state-owned forestry farms began to build high-yield test forests of fir and now have an area of more than 4,300 mu and a total area of 8,500 mu. The survey area, including Enshi area Laifeng, Hefeng, Xianfeng, Enshi, Patong, Icheon counties, a total of six countries