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自1991 年开始分别对浙江安吉和福建建阳的两种类型的毛竹纸浆林的丰产结构进行了4 年的定位观察研究。研究结果表明:对于毛竹纸浆纯林的丰产结构,以竹林密度为3000 株/hm 2、林分年龄结构组成为1 度竹∶2 度竹= 7∶3 等林分结构因子组合的竹林的生产力最高,其新竹度产量高达31.1t/hm 2;并根据新竹产量与竹林密度和林分年龄组成的非线性相关关系,建立了新竹产量的预测模型。对于毛竹—阔叶树纸浆混交林,影响其生产力最重要的林分结构因子是树种组成,即毛竹与阔叶树的混交比,其次是混交林中的立竹量,其中以混交比∑D竹2∶∑D树2= 8∶2、林分立竹量为2100 株/hm 2 等林分结构因子组合的毛竹—阔叶树纸浆混交林的生产力最高,其新竹度产量达22.8t/hm 2。
Since 1991, the high yield structure of two types of Phyllostachys pubescens forest in Anji, Zhejiang Province and Jianyang, Fujian Province has been studied for 4 years respectively. The results showed that for the high yield structure of the Pure Bamboo Pure Bamboo plantation, the productivity of the bamboo forest with the combination of stand structure factors such as bamboo density of 3000 plants / hm 2 and age structure of the forest was 1 degree bamboo: 2 degree bamboo = 7: 3 The highest yield was 31.1t / hm 2 in Hsinchu. Based on the non-linear correlation between the yield of bamboo and the density of bamboo forest and the stand age, a forecasting model of the yield of Hsinchu was established. For the Phyllostachys pubescens-broadleaf tree mixed forest, the most important stand structure factors that affect their productivity are tree species composition, that is, the ratio of bamboo to broadleaf tree, followed by the amount of bamboo stand in mixed forest. The highest productivity of bamboo-broadleaf tree mixed forest with D tree 2 = 8: 2 and forest stand volume of 2100 plants / hm 2 was the highest. The yield of new bamboo reached 22.8t / hm 2.