浙江农林大学学报2025，Vol.42Issue(6)：1111-1121,11.DOI:10.11833/j.issn.2095-0756.20250317
毛竹材用林多目标经营模型与采伐策略
Multi-objective management model and harvesting strategy for Phyllostachys edulis timber forests
摘要
Abstract
[Objective]With carbon sequestration benefits and economic benefits of Phyllostachys edulis timber forests as operational targets,this study aims to establish a collaborative optimization management plan to guide the scientific management of Ph.edulis forests,so as to realize the long-term maintenance of productivity and continuous economic output.[Method]Taking Ph.edulis timber forests in Anji County,Zhejiang Province as the research subject,a 3-year continuous survey was conducted on 30 field monitoring plots to obtain data on the diameter at breast height(DBH),age and stand density.A Weibull distribution equation was fitted to establish a growth and renewal model for Ph.edulis.Based on this,a multi-objective management model was constructed by integrating Ph.edulis timber carbon sequestration benefits with economic benefits.The changes in carbon storage and net present value(NPV)of Ph.edulis timber forests under different harvesting strategies(harvesting age,intensity,and method)were simulated.Through comparative analysis,the optimal multi-objective management plan was screened.[Result]For short operating period,the goal was to rapidly enhance economic benefits while maintaining carbon sink potential,which involved retaining 90%of Ⅰ-grade Ph.edulis,harvesting 40%and 60%for Ⅱ-grade and Ⅲ-grade Ph.edulis at large diameter stages.The optimal level could be achieved,with an aboveground carbon storage of 11.14 t·hm-2 and a cumulative NPV of 12 853.18 yuan·hm-2.During the intermediate operating period,the goal was to balance carbon sequestration benefits with economic returns by harvesting 30%of Ⅱ-grade Ph.edulis at small diameter stages and 30%of Ⅲ-grade Ph.edulis at large diameter stages.Under optimal conditions,the aboveground carbon storage would reach 11.21 t·hm-2,with a cumulative NPV of 14 363.43 yuan·hm-2.For long-term operating period,the goal was to maximize carbon sequestration benefits while also considering economic returns,40%of the Ⅱ-grade Ph.edulis harvested at the small diameter stage and 90%of Ⅲ-grade Ph.edulis harvested at the large diameter stage.Under optimal conditions,the aboveground carbon storage would reach 11.94 t·hm-2,with a cumulative NPV of 27 456.99 yuan·hm-2.[Conclusion]A multi-objective management model for Ph.edulis timber forests is constructed,and a harvesting and management strategy is proposed to achieve synergistic carbon sequestration and economic benefits.[Ch,9 fig.3 tab.33 ref.].关键词
毛竹材用林/多目标经营/碳储量/净现值/采伐策略Key words
Phyllostachys edulis timber forests/multi-objective management/carbon stock/net present value/harvesting strategies分类
农业科技引用本文复制引用
SUN Taoran,XU Lin,JIAO Jiejie..毛竹材用林多目标经营模型与采伐策略[J].浙江农林大学学报,2025,42(6):1111-1121,11.基金项目
国家自然科学基金面上资助项目(32471862) （32471862）
