中亚热带4种混交幼龄人工林生态系统碳贮量特征
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摘要
以中亚热带5年生杉木Cunninghamia lanceolata、马褂木Liriodendron chinense、香樟Cinnamomum camphora等8种乡土树种营造的混交林生态系统为研究对象,分析4种幼龄混交林生态系统碳贮量及其分配特征。结果表明:1)8种幼树不同器官碳含量不同,树干碳含量在454.7～500.0 g/kg之间,树枝碳含量在426.0～474.0 g/kg之间,树叶碳含量在448.4～495.8 g/kg之间,树根碳含量在436.0～490.4 g/kg之间;2)相同树种不同器官和不同树种的相同器官碳含量存在显著性差异(P <0.05),杉木碳含量最高,为490.1 g/kg,木荷最低,为449.4 g/kg;3)林下植被碳含量以灌木层最高(405.98g/kg),草本层最低(350.83 g/kg),不同林分土壤碳含量无显著性差别(P> 0.05),其中0～10 cm土壤碳含量最高(23.9～25.5 g/kg);4)4种人工混交幼龄林生态系统碳贮量空间分布基本一致,绝大部分储存于0～100 cm土壤层,平均占生态系统总碳贮量的92.56%～94.72%,其次为乔木层(3.75%～4.98%),其中树干占整个乔木层碳贮量的45.45%～58.64%,林下植被和枯落物层所占比例最小;5)4种幼龄混交林生态系统碳贮量分别为167.06、165.72、162.97和160.97 t/hm~2,其中马褂木×香樟×枫香Liquidambar formosana Hance×木荷Schima superba混交幼龄林(MLCLS)碳贮量高于其他3种幼龄混交林。随着林龄的增长,人工林碳储量的积累还有待进一步研究。
Taking the mixed forest ecosystem constructed by 8 native tree species, such as Cunninghamia lanceolata, Liriodendron chinense and Cinnamomum camphora, in the middle subtropical zone as the research objects, the carbon storage and its allocation characteristics of four types of 5-year-old mixed forest ecosystems in China mid-subtropical area were investigated and studied. The results show that: 1) Carbon contents in different organs of 8 kinds of 5-year-old saplings were different, that in trunk was between454.7-500.0 g/kg, that in branches was between 426.0-474.0 g/kg, that in leaves was between 448.4-495.8 g/kg, and that in roots was between 436.0-490.4 g/kg. 2) There were significant differences in carbon contents between different organs of the same tree species and the same organs of different tree species(P < 0.05), the carbon content of Chinese fir was the highest(490.1 g/kg), while S. superba was the lowest(449.4 g/kg). 3) For carbon contents of under-story vegetation, that of the highest was in shrub layer(405.98 g/kg) and that of the lowest was in herbaceous layer(350.83 g/kg); There was no significant difference in soil carbon content among different stands(P > 0.05), and the carbon content of 0-10 cm soil was the highest(23.9-25.5 g/kg). 4) The carbon storages of the four young mixed forest ecosystems were 167.06, 165.72, 162.97 and 160.97 t/hm~2, respectively; Among them, the storage of the young mixed forests of L.chinense × C. camphora × L. formosana Hance × S. superba was higher than those of the other three young mixed forests. With the increase of forest age, the accumulation of carbon storage in the plantations needs to be further study.
Taking the mixed forest ecosystem constructed by 8 native tree species, such as Cunninghamia lanceolata, Liriodendron chinense and Cinnamomum camphora, in the middle subtropical zone as the research objects, the carbon storage and its allocation characteristics of four types of 5-year-old mixed forest ecosystems in China mid-subtropical area were investigated and studied. The results show that: 1) Carbon contents in different organs of 8 kinds of 5-year-old saplings were different, that in trunk was between454.7-500.0 g/kg, that in branches was between 426.0-474.0 g/kg, that in leaves was between 448.4-495.8 g/kg, and that in roots was between 436.0-490.4 g/kg. 2) There were significant differences in carbon contents between different organs of the same tree species and the same organs of different tree species(P < 0.05), the carbon content of Chinese fir was the highest(490.1 g/kg), while S. superba was the lowest(449.4 g/kg). 3) For carbon contents of under-story vegetation, that of the highest was in shrub layer(405.98 g/kg) and that of the lowest was in herbaceous layer(350.83 g/kg); There was no significant difference in soil carbon content among different stands(P > 0.05), and the carbon content of 0-10 cm soil was the highest(23.9-25.5 g/kg). 4) The carbon storages of the four young mixed forest ecosystems were 167.06, 165.72, 162.97 and 160.97 t/hm~2, respectively; Among them, the storage of the young mixed forests of L.chinense × C. camphora × L. formosana Hance × S. superba was higher than those of the other three young mixed forests. With the increase of forest age, the accumulation of carbon storage in the plantations needs to be further study.
引文
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[34]周丽,张卫强,唐洪辉,等.南亚热带中幼龄针阔混交林碳储量及其分配格局[J].生态环境学报,2014,23(4):568-574.
[35]王卫霞,史作民,罗达,等.我国南亚热带几种人工林生态系统碳氮储量[J].生态学报,2013,33(3):925-933.
[36]李铭红,于明坚,陈启瑺,等.青冈常绿阔叶林的碳素动态[J].生态学报,1996,16(6):645-651.
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[40]王效科,冯宗炜,欧阳志云.中国森林生态系统的植物碳储量和碳密度研究[J].应用生态学报,2001,12(1):13-16.
[41]黄钰辉,甘先华,张卫强,等.南亚热带杉木林皆伐迹地幼龄针阔混交林生态系统碳储量[J].生态科学,2017,36(4):137-145.
[42]田耀武,贺春玲,刘杨,等.河南省森林土壤有机碳储量及其空间分布格局[J].中南林业科技大学学报2018,38(2):83-89.
[2]PAQUETTE A,MESSIER C.The role of plantations in managing the world’s forests in the Anthropocene[J].Frontiers in Ecology and the Environment,2010,8(1):27-34.
[3]POPE J.How can global warming be traced to CO2[J].Scientific America,2006,295(6):124-124.
[4]FANG J Y,CHEN A P,PENG C,et al.Changes in forest biomass carbon storage in China between 1949 and 1998[J].Science,2001,292(5525):2320-2322.
[5]NORBY R J,LUO Y Q.Evaluating ecosystem responses to rising atmospheric CO2 and global warming in a multi-factor world[J].New Phytologist,2006,162(2):281-293.
[6]明安刚,贾宏炎,陶怡,等.米老排人工林碳素积累特征及其分配格局[J].生态学杂志,2012,31(11):2730-2735.
[7]康冰,刘世荣,蔡道雄,等.南亚热带杉木生态系统生物量和碳素积累及其空间分布特征[J].林业科学,2009,45(8):147-153.
[8]马炜,孙玉军,郭孝玉,等.不同林龄长白落叶松人工林碳储量[J].生态学报,2010,30(17):4659-4667.
[9]彭守璋,赵传燕,郑祥霖,等.祁连山青海云杉林生物量和碳储量空间分布特征[J].应用生态学报,2011,22(7):1689-1694.
[10]刘恩,王晖,刘世荣.南亚热带不同林龄红锥人工林碳贮量与碳固定特征[J].应用生态学报,2012,23(2):335-340.
[11]刘恩,刘世荣.南亚热带米老排人工林碳贮量及其分配特征[J].生态学报,2012,32(16):5103-5109.
[12]何斌,黄寿先,招礼军,等.秃杉人工林生态系统碳素积累的动态特征[J].林业科学,2009,45(9):151-157.
[13]李海涛,王姗娜,高鲁鹏,等.赣中亚热带森林植被碳储量[J].生态学报,2007,27(2):693-704.
[14]吕晓涛,唐建维,于贵瑞,等.西双版纳热带季节雨林的C贮量及其分配格局[J].山地学报,2006,24(3):277-283.
[15]王绍强,周成虎,罗承文.中国陆地自然植被碳量空间分布特征探讨[J].地理科学进展,1999,18(3):238-244.
[16]周玉荣,于振良,赵士洞.我国主要森林生态系统碳贮量和碳平衡[J].植物生态学报,2000,24(5):518-522.
[17]王绍强,周成虎,李克让,等.中国土壤有机碳库及其空间分布特征分析[J].地理学报,2000,55(5):533-544.
[18]徐新良,曹明奎,李克让.中国森林生态系统植被碳储量时空动态变化研究[J].地理科学进展,2007,26(6):1-9.
[19]何斌,刘运华,余浩光,等.南宁马占相思人工林生态系统碳素密度与贮量[J].林业科学,2009,45(2):6-11.
[20]郭月峰,姚云峰,秦富仓,等.燕山典型流域两种造林树种生态系统碳储量及固碳潜力研究[J].生态环境学报,2013,22(10):1665-1670.
[21]何友均,覃林,李智勇,等.西南桦纯林与西南桦×红椎混交林碳贮量比较[J].生态学报,2012,32(23):7586-7594.
[22]田大伦,李雄华,罗赵慧,等.湘潭锰矿废弃地不同林龄栾树人工林碳储量变化趋势[J].生态学报,2014,34(08):2137-2145.
[23]杨玉姣,陈云明,曹扬.黄土丘陵区油松人工林生态系统碳密度及其分配[J].生态学报,2014,34(8):2128-2136.
[24]张明阳,罗为检,刘会玉,等.基于林业清查资料的桂西北植被碳空间分布及其变化特征[J].生态学报,2013,33(16):5067-5077.
[25]田杰,于大炮,周莉,等.辽东山区典型森林生态系统碳密度[J].生态学杂志,2012,31(11):2723-2729.
[26]史山丹,赵鹏武,周梅,等.大兴安岭南部温带山杨天然次生林不同生长阶段生物量及碳储量[J].生态环境学报,2012,21(3):428-433.
[27]LI XD,SON YM,LEE KH,et al.Biomass and carbonstorage in an age-sequence of Japanese red pine(Pinus densiflora)forests in central Korea[J].Forest Science andTechnology,2013,9:39-44.
[28]WEI YW,LI M H,CHEN H,et al.Variation in carbonstorage and its distribution by stand age and forest type inboreal and temperate forests in northeastern China[J].PLo SONE,2013,8:e72201.
[29]刘曦乔,梁萌杰,陈龙池,等.湖南省森林生态系统碳储量、碳密度及其空间分布[J].生态学杂志,2017,36(9):2385-2393.
[30]刘兆丹,李斌,方晰,等.湖南省森林植被碳储量、碳密度动态特征[J].生态学报,2016,36(21):1-12.
[31]李斌,方晰,项文化,等.湖南省杉木林植被碳贮量、碳密度及碳吸存潜力[J].林业科学,2013,49(3):25-32.
[32]罗达,史作民,王卫霞,等.南亚热带格木、马尾松幼龄人工纯林及其混交林生态系统碳氮储量[J].生态学报,2015,35(18):6051-6059.
[33]明安刚,刘世荣,农友,等.南亚热带3种阔叶树种人工幼龄纯林及其混交林碳贮量比较[J].生态学报,2015,35(1):180-188.
[34]周丽,张卫强,唐洪辉,等.南亚热带中幼龄针阔混交林碳储量及其分配格局[J].生态环境学报,2014,23(4):568-574.
[35]王卫霞,史作民,罗达,等.我国南亚热带几种人工林生态系统碳氮储量[J].生态学报,2013,33(3):925-933.
[36]李铭红,于明坚,陈启瑺,等.青冈常绿阔叶林的碳素动态[J].生态学报,1996,16(6):645-651.
[37]何琴飞,郑威,黄小荣,等.广西钦州湾红树林碳储量与分配特征[J].中南林业科技大学学报,2017,37(11):121-126
[38]宫超,汪思龙,曾掌权,等.中亚热带常绿阔叶林不同演替阶段碳储量与格局特征[J].生态学杂志,2011,30(9):1935-1941.
[39]王祖华,刘红梅,关庆伟,等.南京城市森林生态系统的碳储量和碳密度[J].南京林业大学学报(自然科学版),2011,35(4):18-22.
[40]王效科,冯宗炜,欧阳志云.中国森林生态系统的植物碳储量和碳密度研究[J].应用生态学报,2001,12(1):13-16.
[41]黄钰辉,甘先华,张卫强,等.南亚热带杉木林皆伐迹地幼龄针阔混交林生态系统碳储量[J].生态科学,2017,36(4):137-145.
[42]田耀武,贺春玲,刘杨,等.河南省森林土壤有机碳储量及其空间分布格局[J].中南林业科技大学学报2018,38(2):83-89.