中幼龄闽楠生长及生物量分配特征研究
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摘要
对不同造林地不同林龄的闽楠生长及生物量分配特征进行研究,研究结果表明:随着树龄的增大,闽楠叶生物量显著增大,但占总生物量的比例显著下降;闽楠主干生物量占总生物量的比例随着树龄的增长而显著上升,造林26 a后,树干生物量比例占62.8%;闽楠根生物量随着树龄的增大显著上升,但占总生物量的比例反而显著下降,这些数据说明闽楠生物量累积优势不断转向地上部分。闽楠在整个生长过程前8 a叶、枝、根生长速度及总生物量积累速度均比8～26 a快,但干的生物量积累则是在8～26 a速度加快,本研究的结论表明闽楠是适合培养大径材的珍贵用材树种,其径材培育周期远超过26 a,研究结果可为闽楠人工林高效培育与经营管理提供理论依据。
Growth and biomass distribution of Phoebe bournei in different ages and afforestation sites were studied.The results showed that leaf biomass of Phoebe bournei increased significantly,but.proportion of leaf biomass in the total biomass was decreased significantly with the increasing of the tree age.The proportion of stem biomass in the total biomass was increased dramatically with the increasing of the tree age,and it was accounted for 62.8%after the 26 ages.The root biomass rose significantly but the proportion of root biomass in the total biomass declined with the increasing of the tree age,and the accumulated advantage transferred to aboveground part.The rate of total biomass accumulation and growth in leaf,branch,root were higher in the first 8 years than8～26 years,but the rate of stem biomass accumulation was increased in the 8～26 ages.In summary,Phoebe bournei was suitable for cultivating of large diameter wood,and its timber cultivation time was far more than 26 ages.The research results can provide the theoretical basis for efficient cultivation and management of Phoebe bournei plantation.
Growth and biomass distribution of Phoebe bournei in different ages and afforestation sites were studied.The results showed that leaf biomass of Phoebe bournei increased significantly,but.proportion of leaf biomass in the total biomass was decreased significantly with the increasing of the tree age.The proportion of stem biomass in the total biomass was increased dramatically with the increasing of the tree age,and it was accounted for 62.8%after the 26 ages.The root biomass rose significantly but the proportion of root biomass in the total biomass declined with the increasing of the tree age,and the accumulated advantage transferred to aboveground part.The rate of total biomass accumulation and growth in leaf,branch,root were higher in the first 8 years than8～26 years,but the rate of stem biomass accumulation was increased in the 8～26 ages.In summary,Phoebe bournei was suitable for cultivating of large diameter wood,and its timber cultivation time was far more than 26 ages.The research results can provide the theoretical basis for efficient cultivation and management of Phoebe bournei plantation.
引文
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[17]唐小燕,袁位高,沈爱华,等.闽楠容器苗评价指标及分级标准研究[J].浙江林业科技,2011,31(6):39-44.
[18]黄种明.闽楠、杉木不同混交比例造林试验研究[J].武夷科学,2006(1):112-116.
[19]吴兴盛.闽楠的生态特性及栽培技术[J].林业勘察设计,2002(2):67-69.
[20]唐小燕,袁位高,沈爱华,等.闽楠容器苗各器官生物量的分配格局及水分特征研究[J].植物研究,2012,32(1):99-104.
[21]胡永颜.不同坡位对21年生闽楠人工林生长及生物量分配的影响[J].江苏林业科技,2012,39(4):6-34.
[22]王金盾.不同林下生境闽楠生长影响及表型可塑性[J].农学学报,2015,5(2):57-60.
[23]王振兴,朱锦懋,王健,等.闽楠幼树光合特性及生物量分配对光环境的响应[J].生态学报,2012,32(12):3841-3848.
[24]丁贵杰,王鹏程.马尾松人工林生物量及生产力变化规律研究:Ⅱ1不同林龄生物量及生产力[J].林业科学研究,2001,15(1):54-60.
[25]Wang WF,Wei XH,Liao WM,et al.Evaluation of the effects offorest management strategies oncarbon sequestration in evergreen broad-leaved(Phoebe bournei)plantation forests using FORECAST ecosystem model[J].Forest Ecology and Management,300(2013)21-32.
[2]吴必锋,张前江,邰正光,等.基于GIS图谱法的雷公山自然保护区交密站闽楠适生区研究[J].林业调查规划,2016,41(3):15-17.
[3]中国树木志编辑委员会.中国植物志[M].北京:中国林业出版社,1982.
[4]游晓庆,彭诗涛,郭孝玉,等.闽楠天然次生林林分空间结构研究[J].江西农业大学学报,2016,38(4):660-667.
[5]吴大荣.福建罗卜岩闽楠(Phoebe bournei)林中优势树种生态位研究[J].生态学报,2001,21(5):851-855.
[6]吴大荣,朱政德.福建省罗卜岩自然保护区闽楠种群结构和空间分布格局初步研究[J].林业科学,2001,39(1):23-30.
[7]Ge YJ,Liu YJ,Shen AH,et al.Fengshui forests conserve genetic diversity:a case study of Phoebe bournei(Hemsl.)Yang in southern China[J].Genet.Mol.Res.2015,14(1):1986-1993.
[8]江香梅,温强,叶金山,等.闽楠天然种群遗传多样性的RAPD分析[J].生态学报,2009,29(1):438-444.
[9]陈瑞英,郭晶贞,祝田心,等.小果润楠和闽楠木材的构造特征[J].森林与环境学报,2015,35(4):358-363.
[10]江香梅,肖复明,龚斌,等.闽楠天然林与人工林木材物理力学性质研究[J].林业科学研究2008,21(6):862-866.
[11]Zeng Q,Li JH,Li ZH,et al.Characteristics of Nutrient Absorption in Nyssa sinensis,Phoebe bournei and Choerospondias axillaris from Xiangxi[J].Journal of Agricultural Sciences,2013,3,16-21.
[12]欧建德.福建闽楠人工幼林氮磷钾施肥效应与施肥模式[J].浙江农林大学学报,2015,32(1):92-97.
[13]何功秀,文仕知,邵明晓,等.湖南永顺闽楠人工林生态系统碳贮量及其分布特征[J].水土保持学报,2014,28(5):159-163.
[14]姜顺邦,张怡,韦小丽,等.不同闽楠优树子代苗期生长及光合生理特性比较[J].浙江农林大学学报,2016,33(1):51-59.
[15]涂育合,黄秀美,林照授,等.闽楠优树子代测定林生长性状差异及聚类分析[J].北华大学学报(自然科学版),2016,17(2):240-245.
[16]王艺,王秀花,张丽珍,等.不同栽培基质对浙江楠和闽楠容器苗生长和根系发育的影响[J].植物资源与环境学报,2013,22(3):81-87.
[17]唐小燕,袁位高,沈爱华,等.闽楠容器苗评价指标及分级标准研究[J].浙江林业科技,2011,31(6):39-44.
[18]黄种明.闽楠、杉木不同混交比例造林试验研究[J].武夷科学,2006(1):112-116.
[19]吴兴盛.闽楠的生态特性及栽培技术[J].林业勘察设计,2002(2):67-69.
[20]唐小燕,袁位高,沈爱华,等.闽楠容器苗各器官生物量的分配格局及水分特征研究[J].植物研究,2012,32(1):99-104.
[21]胡永颜.不同坡位对21年生闽楠人工林生长及生物量分配的影响[J].江苏林业科技,2012,39(4):6-34.
[22]王金盾.不同林下生境闽楠生长影响及表型可塑性[J].农学学报,2015,5(2):57-60.
[23]王振兴,朱锦懋,王健,等.闽楠幼树光合特性及生物量分配对光环境的响应[J].生态学报,2012,32(12):3841-3848.
[24]丁贵杰,王鹏程.马尾松人工林生物量及生产力变化规律研究:Ⅱ1不同林龄生物量及生产力[J].林业科学研究,2001,15(1):54-60.
[25]Wang WF,Wei XH,Liao WM,et al.Evaluation of the effects offorest management strategies oncarbon sequestration in evergreen broad-leaved(Phoebe bournei)plantation forests using FORECAST ecosystem model[J].Forest Ecology and Management,300(2013)21-32.