喀斯特地区3种针叶林林分生物量及碳储量研究
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摘要
以贵州喀斯特地区3种针叶林为研究对象,采用标准样地调查和生物量实测数据,对各生态系统的生物量、碳含量以及碳储量进行研究分析。结果表明:马尾松天然林、马尾松人工林和湿地松人工林生态系统乔木生物量分别为103.46、140.55、164.15 t/hm~2;林下植被及死地被物层生物量分别为7.762、6.994、8.622 t/hm~2。林木各器官含碳量:马尾松天然林0.427~0.530 g C/g、马尾松人工林0.443~0.574 g C/g、湿地松人工林0.444~0.466g C/g。3种森林生态系统碳储量分别为:马尾松天然林678.025 t/hm~2、马尾松人工林777.11 t/hm~2、湿地松人工林834.135 t/hm~2。其中植被层分别为48.199、70.788、76.438 t/hm~2;死地被物层为0.667、0.659、0.742 t/hm~2;土壤层为629.159、705.664、756.955 t/hm~2。碳储量分布格局为土壤层>植被层>死地被物层。研究结果可以为贵州喀斯特地区针叶林管理及运营提供基础数据。
Afforestation and restoration are vital contributors for offsetting greenhouse gas emissions.However,when compared to native species,how fast-growing exotic tree species will influence the local ecosystem process remains poorly understood.In this study,the carbon storage and biomass in vegetation and soil were compared one of three ways,natural native masson pine(Pinus massoniana),planted native masson pine,or exotic slash pine(Pinus elliottii) plantation.The results showed that biomass of overstory vegetation was 103.46、140.55、164.15 t/hm~2 in natural masson pine forest,masson pine plantation,and slash plantation,respectively.The mean carbon storage was 678.025 t/hm~2 in natural masson pine forest,777.11 t/hm~2 in masson pine plantation,and 834.135 t/hm~2 in slash pine plantation.Carbon content ranges from 0.427-0.530 g C/g in natural masson pine forest,0.443-0.574 g C/g in masson pine plantation,and 0.444-0.466 g C/g in slash pine plantation.For understory vegetation,0.659-0.742 g C/g in litter layer,and 629.159-756.955 g C/g in the soil.The carbon(C) content of soil of the three forest types decreased with soil depth.The distribution of C storage was soil > vegetation > litter.The results provide a scientific basis and reference for coniferous forest management and long-term location monitoring.
Afforestation and restoration are vital contributors for offsetting greenhouse gas emissions.However,when compared to native species,how fast-growing exotic tree species will influence the local ecosystem process remains poorly understood.In this study,the carbon storage and biomass in vegetation and soil were compared one of three ways,natural native masson pine(Pinus massoniana),planted native masson pine,or exotic slash pine(Pinus elliottii) plantation.The results showed that biomass of overstory vegetation was 103.46、140.55、164.15 t/hm~2 in natural masson pine forest,masson pine plantation,and slash plantation,respectively.The mean carbon storage was 678.025 t/hm~2 in natural masson pine forest,777.11 t/hm~2 in masson pine plantation,and 834.135 t/hm~2 in slash pine plantation.Carbon content ranges from 0.427-0.530 g C/g in natural masson pine forest,0.443-0.574 g C/g in masson pine plantation,and 0.444-0.466 g C/g in slash pine plantation.For understory vegetation,0.659-0.742 g C/g in litter layer,and 629.159-756.955 g C/g in the soil.The carbon(C) content of soil of the three forest types decreased with soil depth.The distribution of C storage was soil > vegetation > litter.The results provide a scientific basis and reference for coniferous forest management and long-term location monitoring.
引文
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[28]庞宏东,王晓荣,张家来,等.湖北省马尾松天然林碳储量及碳密度特征[J].东北林业大学学报,2014,42(7):40-43.
[29]曹娟.喀斯特贵阳市4种森林生物量和碳储量研究[D].长沙:中南林业科技大学,2012.
[30]Ma Z Q,Liu Q J,Wang H M,et al.Observation and modeling of NPP for Pinus elliottii plantation in subtropical China[J].中国科学:地球科学,2008,51(7):955-965.
[31]王新凯.喀斯特城市森林生物量及其碳吸存功能研究[D].长沙:中南林业科技大学,2011.
[32]李斌,方晰,田大伦,等.湖南省现有森林植被主要树种的碳含量[J].中南林业科技大学学报,2015,35(1):71-78.
[2]胡会峰,刘国华.中国天然林保护工程的固碳能力估算[J].生态学报,2006,26(1):291-296.
[3]Oreskes N.The scientific consensus on climate change[J].Science,2004,306:1686.
[4]Wright S J.The carbon sink in intact tropical forests[J].Global change Biology,2013,19(2):337-339.
[5]Fang J Y,Guo Z D,Hu H F,et al.Forest biomass carbon sinks in East Asia,with special reference to the relative contruibutions of forests expansion and forest growth[J].Global Change Biology,2014,20(6):2019-2030.
[6]Syampungani S,Chirwa P W,Akinnifesi F K,et al.The potential of using agroforestry as a win-win solution to climate change mitigation and adaptation and meeting food security challenges in Southern Africa[J].Agricultural Journal,2010,5(2):80-88.
[7]Tan Z H,Zhang Y P,Yu G R,et al.Carbon balance of a primary tropical seasonal rain forest[J].Journal of Geophysical Research,2010,115(D4):D00H26.
[8]Li F,Bond-lamberty B,Levis S.Quantifying the role of fire in the earth system-part 2:impact on the net carbon balance of global terrestrial ecosystems for the 20th century[J].Biogeosciences,2014,11(5):1345-1360.
[9]Oreskes N.The scientific consensus on climate change[J].Science,2004,306:1686.
[10]冯瑞芳,杨万勤,张健.人工林经营与全球变化减缓[J].生态学报,2006,26(11):3870-3877
[11]IPCC.Land Use,Land Use Change and Forestry.Cambridge[M]:Cambridge University Press,2000.373.
[12]刘国华,傅博杰,方精云.中国森林碳动态及其对全球碳平衡的贡献[J].生态学报,2000,20(5):733-740.
[13]李斌,方晰,项文化,等.湖南省的杉木林植被碳贮量、碳密度及碳吸存潜力[J].林业科学,2013,49(3):25-32.
[14]宁晨,闫文德,宁晓波,等.贵阳市区灌木林生态系统生物量及碳储量[J].生态学报,2015,35(8):2555-2563.
[15]刘士贵.全国森林资源:中国森林与生态环境[M]北京:中国林业出版社,1999.
[16]莫江明,Sandra Brown,孔国辉,等.鼎湖山马尾松林营养元素的分布和生物循环特征[J].生态学报,1999,19(5):635-640.
[17]Zhu X T,James L M,Hanover J W.Timber supply and demand in China[J].Journal of Forestry,1987,21:41-43.
[18]国家林业局.第八次全国森林资源清查结果[J].林业资源管理,2014(1):1-2.
[19]茹正忠.湿地松优化栽培技术专辑[C].广东林业科技,1995,11(4):2.
[20]夏鑫.马尾松人工林的老龄林生态系统生物量和碳贮量研究[D].福州:福建农林大学,2008.
[21]巫涛,彭重华,田大伦,等.长沙市区马尾松人工林生态系统碳储量及其空间分布[J].生态学报,2012,32(13):4034-4042.
[22]张仕光,刘建,黄开勇,等.桂西北马尾松人工林生物量生长规律及其分配模式[J].广西林业科学,2010,39(4):189-192.
[23]张成典.杉木与湿地松纯林及其混交林的生长及生物量分配格局[J].林业科技,2014,39(5):34-37.
[24]张维轴.屏南县湿地松人工林生物量及生产力的研究[J].林业勘察设计,2010(2):11-16.
[25]冯宗炜,陈楚莹,张家武,等.湖南会同地区马尾松林生物量的测定[J].林业科学,1982,18(2):127-134.
[26]Ma Z,Hartmann H,Wang H,et al.Carbon dynamics and stability between native masson pine and exotic slash pine plantations in subtropical China[J].European Journal of Forest Research,2014,133:307–321
[27]潘鹏,吕丹,欧阳勋志,等.赣中马尾松天然林不同生长阶段生物量及碳储量研究[J].江西农业大学学报,2014,36(1):131-136.
[28]庞宏东,王晓荣,张家来,等.湖北省马尾松天然林碳储量及碳密度特征[J].东北林业大学学报,2014,42(7):40-43.
[29]曹娟.喀斯特贵阳市4种森林生物量和碳储量研究[D].长沙:中南林业科技大学,2012.
[30]Ma Z Q,Liu Q J,Wang H M,et al.Observation and modeling of NPP for Pinus elliottii plantation in subtropical China[J].中国科学:地球科学,2008,51(7):955-965.
[31]王新凯.喀斯特城市森林生物量及其碳吸存功能研究[D].长沙:中南林业科技大学,2011.
[32]李斌,方晰,田大伦,等.湖南省现有森林植被主要树种的碳含量[J].中南林业科技大学学报,2015,35(1):71-78.
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