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1991年秋,我们对“平原生态经济型林业示范区”礼泉县的烟霞、北屯、赵镇3个乡镇的现有树种,栽植数量及群众用材量,材种结构进行典型调查。现将调查情况简要报告如下。1 调查方法“示范区”的烟霞、北屯、赵镇3个乡镇共54个行政村。我们对每个乡随机抽取3个行政村,共计9个行政村(占总乡镇数的16.7%),采用实查的办法,逐一调查村宅旁、渠路旁、林网树木及田间散生树的品种、株数及蓄积;群众用材采用座谈访问的方法,
In the autumn of 1991, we carried out a typical survey of the existing tree species, planting numbers, mass timber and timber species structure of three villages and towns, namely, Hampyeong, Beitun and Zhaozhen in “Plain Ecological Economic Forestry Demonstration Zone” in Liquan County. The survey report is as follows. A survey method “demonstration area” haze, Beitun, Zhao Town, a total of three townships 54 administrative villages. We randomly selected 3 administrative villages for each township, for a total of 9 administrative villages (accounting for 16.7% of the total number of townships). We investigated the village houses beside the canal houses, Tree species, number of strains and accumulation; mass materials used to discuss the method of discussion,