基于碳汇与木材效益融合视角的森林经营模式选择研究

项目名称： 基于碳汇与木材效益融合视角的森林经营模式选择研究

项目编号： No.31300538

项目类型： 青年科学基金项目

立项/批准年度： 2014

项目学科： 农业科学

项目作者： 顾丽

作者单位： 西北农林科技大学

项目金额： 24万元

中文摘要： 针对我国森林退化严重，森林资源质量、平均碳密度较低与西北地区恶劣立地生态环境的关键问题，本研究以黄土高原地区的油松人工林为研究对象，以提高森林资源质量与生产力，通过森林经营增加森林的碳汇能力为突破口，在标准地调查、解析木与生物量数据的基础上，利用线性混合模型与亚变量模型方法建立带有特定参数或地方参数的人工林区域通用性生物量模型，分析木材产出与碳汇价值下的森林最优轮伐期。从交叉学科的视角探索气候变化条件下油松人工林的经营策略，开展以增加森林碳汇效益和木材产出为主要经营目标的森林收获调整机制，设计不同的采伐周期和间伐强度的经营措施，进行森林经营模式研究，提出优化的森林经营方案，为森林碳汇管理及多功能经营决策提供依据。

中文关键词： 森林碳汇；混合模型；最优轮伐期；模拟抚育；木质残体

英文摘要： Nowadays, China's forest resources were degenerated seriouly, and the average stock and carbon density still remained lower quality, and the ecological environment was fragile in Northwest China. The progects setted the Pinus Tabulaeformis plantations as the object, So, increasing forest carbon sequestration was very significant through strengthening the sustainble forest management to put up the quality and productivity. Based on the plot investagation，analytic trees and biomass data, the researchers used the regional versatility biomass model with the particular or local parameters, which established by the linear mixed model and sub-variables model, and analysised the forest optimal rotation in the consideration of the value of carbon sequestration. The research explored the management strategy of Pinus Tabulaeformis plantations under climate changein from the interdisciplinary perspective,developed the forest harvest adjustment mechanism for main management goal to increase the carbon sinks and wood output, and analysised the forest management mode from different felling cycle and thinning intensity. Finally, the progects proposed the optimized forest management program, and provided the basis for the management of forest carbon sinks and multi-function management.

英文关键词： forest carbon sequestration；mixed models；optimal rotation period；simulation tending；woody debris