江西省丘陵区湿地松多效益经营模式适宜经营密度的研究

应用生态学报 ›› 2001, Vol. ›› Issue (5): 663-666.

江西省丘陵区湿地松多效益经营模式适宜经营密度的研究

王青春¹, 王庆礼¹, 李冬², 吴南生², 成子纯³

1. 中国科学院沈阳应用生态研究所, 沈阳 110016;
2. 江西农业大学, 南昌 330045;
3. 中南林学院, 株洲 412006

收稿日期:2000-12-29 修回日期:2001-05-26 出版日期:2001-09-25
通讯作者: 王青春,男,1970年5月生,工程师,在读博士,主要从事森林资源经营管理、林业调查规划设计及森林生态学研究工作,已发表论文5篇.E-mail:youthw@263.net
基金资助:
国家自然科学基金(39970123)和中国科学院长白山开放站基金资助项目.

Suitable management density of multi-benefit management pattern in Pinus elli ottii plantation on hilly region of Jiangxi Province

WANG Qingchun¹, WANG Qingli¹, LI Dong², WU Nansheng², CHENG Zichun³

1. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016;
2. Jiangxi Agricultural Un iversity, Nanchang 330045;
3. Central South Forestry College, Zhuzhou 412006

Received:2000-12-29 Revised:2001-05-26 Online:2001-09-25

摘要/Abstract

摘要： 通过拟合林分枝叶生物量及林下植被生物量与林分郁闭度的关系求算出湿地松水保林的适宜郁闭度范围,利用林分郁闭度与林分平均直径和林分株数密度的关系式,导算出湿地松水保林的适宜密度,用公式N₁＝15761.6/D表示.以价值生长量最大作最优指标函数,采用动态规划方法求算出材脂两用林的最适经营密度线N₂＝23625.12D^-1.1523.综合得出江西省丘陵区湿地松多效益经营模式适宜经营密度就是以上两条密度线所夹范围.

Abstract: By means of modeling the relationships between stand branch and leaf biomasss, u nderstory vegetation biomass and forest canopy density, respectively, the suitab le canopy density of Pinus elliottii plantation for soil and water conservat ion was calculated. Using the models of stand canopy density and average tree di ameter and stocking density, the suitable stand density of Pinus elliottii f or soil and water conservation was made out, and expressed by the formula N₁＝15761.6/D. Using the stand density and the stand basal areas per hectare as the i ndependent variables, introducing the maximum stand value increment to be optima l index function, the series of optimal stand management density of Pinus elli ottii stands for timber and resin production were worked out by means of dynam ic programming(N₂＝23625.12D^-1.1523 abstractThe suitable management density for multi benefit management pattern in Pinus elliottii plantation on the hilly region of Jiangxi Province was in the range between the above two models.

中图分类号:

S753.3

王青春, 王庆礼, 李冬, 吴南生, 成子纯. 江西省丘陵区湿地松多效益经营模式适宜经营密度的研究[J]. 应用生态学报, 2001, (5): 663-666.

WANG Qingchun, WANG Qingli, LI Dong, WU Nansheng, CHENG Zichun. Suitable management density of multi-benefit management pattern in Pinus elli ottii plantation on hilly region of Jiangxi Province[J]. Chinese Journal of Applied Ecology, 2001, (5): 663-666.

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