---

作 者 ：郑郁善 洪伟

期 刊 ：林业科学 1998年 34卷 3期 页码：32-39

关键词：毛竹；线性规划；年龄结构；产量；

Keywords:Phyllostachys pubescens, Linear programme, Age structure, Yield,

摘 要 ：从南岭山脉以南的各毛竹产区中收集1330块高产林标准地,分别调查各度竹株数、胸径等测树因子与林分、环境因子,以用材林的竹秆产量,笋用林的笋产量为因变量,建立了产量模型:材用林Y₁=-62695.245+6.5413N+7012.5195D+8.4548X₁+11.0870X₂+14.1520X₃+8.9969X₄+14.5156X₅笋用林Y₂=697.5569+0.2052N+1.8514D-0.6414X₁+1.2493X₂+0.7636X₃+0.3790X₄-0.8833X₅(R₁=0.98,R₂=0.96)并结合生产要求,提出约束条件八组。应用该模型研究毛竹林最优化年龄结构,可以得到不同竹林质量、立竹量、立地条件、经营水平下最适宜年龄结构。能显著地提高林分的竹材和笋产量。

Abstract:The numbers of bamboo stem at different ages and the diameter at breast hight (DBH) which are the elements for measuring a tree, the standing bamboo amount in a bamboo stand, and the environment of the bamboo stand were investigated in 1330 bamboo high yield plots collected from the bamboo production areas in Nanlin mountains. Taking the bamboo stem yield of a timber stand and the shoot production of a bamboo shoot stand as the dependent variables, the following yield models were established.For timber stand i>Y₁=-62695.245+6.5413N+7012.5195D+8.4548X₁+11.0870X₂+14.1520X₃+8.9969X₄+14.5156X₅ For shoot stand Y₂=697.5569+0.2052N+1.8514D-0.6414X₁+1.2493X₂+0.7636X₃+0.3790X₄-0.8833X₅ Eight restricted conditions were suggested in combination with the need of production, these models were used to optimize age structure of bamboo stand under different quality, density, site condition and level of management. The results showed that the models could increase yield of bamboo and shoots significantly.

---