[1]邹奕巧,应宝根,蔡人岳,等.基于固定样地的林分乔木层年净生产力参数结构化估算[J].浙江林业科技,2019,39(03):23-31.[doi:10.3969/j.issn.1001-3776.2019.03.004]
 ZOU Yi-qiao,YING Bao-gen,CAI Ren-yue,et al.Structural Estimation onAnnual Net Productivity of Tree Layer by Data fromPermanent Sample Plots in Tiantai[J].Journal of Zhejiang Forestry Science and Technology,2019,39(03):23-31.[doi:10.3969/j.issn.1001-3776.2019.03.004]
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基于固定样地的林分乔木层年净生产力参数结构化估算()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
39
期数:
2019年03期
页码:
23-31
栏目:
研究简报
出版日期:
2019-08-31

文章信息/Info

Title:
Structural Estimation onAnnual Net Productivity of Tree Layer by Data fromPermanent Sample Plots in Tiantai
文章编号:
1001-3776(2019)03-0023-009
作者:
邹奕巧12应宝根3蔡人岳12陈子剑12姚任图45葛宏立45
1.天台县自然资源和规划局,浙江天台317200;2.天台县林业局,浙江天台317200; 3.浙江省公益林和国有林场管理总站,浙江杭州310020;4.浙江农林大学环境与资源学院,浙江杭州311300; 5.省部共建亚热带森林培育国家重点实验室,浙江杭州311300
Author(s):
ZOU Yi-qiao12YING Bao-gen3CAI Ren-yue12CHEN Zi-jian12YAO Ren-tu45GE Hong-li45
1.Tiantai Natural Resources and Planning Bureau of Zhejiang, Tiantai 317200, China; 2.TiantaiForest Bureauof Zhejiang, Tiantai 317200, China; 3.Zhejiang Ecological Forest and State-owned Forest Farm Administration, Hangzhou 310020 China; 4.School of Environment and Resource Science, Zhejiang A&F University, Hangzhou 311300, China; 5.State Key Laboratory of Subtropical Silviculture, Hangzhou 311300, China
关键词:
固定样地林分年净生产力乔木层参数结构化估算
Keywords:
permanent sample plot annual net productivity arbor layer parameter structural estimation
分类号:
S757
DOI:
10.3969/j.issn.1001-3776.2019.03.004
文献标志码:
A
摘要:
为更准确估算林分乔木层年净生产力,解析林分乔木层生产力的构成,本研究提出了基于固定样地数据的林分乔木层年净生产力参数结构化估算方法。利用天台县2009-2014,2014-2016,2016-2017年3个阶段固定样地数据,同时考虑森林类别、树种组、龄组等因子,结构化估算4组参数,第1组是保留木生物量年均生长率,第2组是生物量年均保留率,第3组是进界木生物量年均生长率,第4组是单位面积年均进界株数。第1组参数结果表明,各树种组保留木生物量年生长率随着龄组增大而减小;商品林保留木生物量年均生长率普遍比公益林高。第2组参数结果表明,公益林内所有树种组的生物量年保留率都低于其在商品林内的保留率。第3组参数结果表明,除硬阔Ⅰ类外,公益林中其他树种进界木生物量年均生长率都高于商品林。第4组参数结果表明,随着龄组的增大,单位面积年进界木株数减少;任一龄组下,公益林中的单位面积年进界木株数均高于商品林。研究结果表明,本方法能够解析乔木层生产力的构成情况,是一种结构化估算方法,其计算结果与其他相关研究相比更具优点。
Abstract:
Mean annual growth rate of biomass of reserved tree, mean annual retention rate of biomass, mean annual growth rate ofingrowth-treeand mean annual number of ingrowth-tree per unit area was structurally estimated by using the permanent sample plot dataduring 2009-2014, 2014-2016 and 2016-2017 of Tiantaicounty, Zhejiang province, with different forest types, tree species groups and age groups.The result showed that mean annual growth rate of biomass of each reserved tree species group decreased with the increase of age group.The average annual growth rate of reserved tree biomass in commercial forest was higher than that in ecological forest.The mean annual retention rate of biomassof all tree species groups in ecological forest was lower than that in commercial forest.The mean annual growth rate ofingrowth-tree biomass of tree species in ecological forest was higher than that in commercial forest except hard broad I.With the increase of age group, the number of ingrowth-tree per unit area decreased.Under any age group, the annual number of ingrowth-tree per unit area inecological forest was higher than that in commercial forest.

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备注/Memo

备注/Memo:
收稿日期:2019-01-03;修回日期:2019-04-11
基金项目:国家科技支撑计划团队任务“低效公益林更新改造和健康维持技术研究与示范”(2012BAD22B0503);“天台县生态公益林效益评价及空间布局与生态需求耦合水平研究”(ZC2017ZFCG-031)
作者简介:邹奕巧,工程师,从事林业技术推广工作;E-mail:493403212@qq.com。通信作者:葛宏立,教授,博士,从事森林资源监测研究;E-mail:jhghlhxl@163.com。
更新日期/Last Update: 2019-08-20