首页 > 过刊浏览>2013年第21卷第6期 >514-520. DOI:10.3969/j.issn.1005-3395.2013.06.004
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衡阳紫色土丘陵坡地不同恢复阶段土壤基础呼吸及代谢熵的变化
作者:
作者单位:

湖南环境生物职业技术学院园林学院,湖南环境生物职业技术学院园林学院

中图分类号:

Q948

基金项目:

国家林业局948 重点项目(2008-4-32);湖南省重点课题(62020608001);湖南省教育厅科学研究项目(13C247)资助


Changes in SBR and qCO2 at Different Re-vegetation Stages on Slopingland with Purple Soils in Hengyang of Hunan Province, South-central China
Author:
Affiliation:

HUnan,hu

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    摘要:

    为探讨衡阳紫色土丘陵坡地不同植被恢复阶段中的土壤呼吸特征,采用空间序列代替时间序列的方法,对土壤基础呼吸(SBR)及代谢熵(qCO2)的变化进行了研究,并分析了它们与土壤性质的关系。结果表明:不同植被恢复阶段中的SBR、qCO2 存在明显差异,从裸地(Ⅰ)、草本群落(Ⅱ)、灌木群落(Ⅲ)到乔木群落(Ⅳ)阶段,SBR 显著增强(P<0.05),qCO2 显著减小(P<0.05)。每个恢复阶段,土层深度从0~20 cm、20~40 cm 到40~60 cm,SBR 显著减弱(P<0.05),qCO2 显著增加(P<0.05)。从Ⅱ、Ⅲ至Ⅳ阶段,根际(R)与非根际(S)的SBR 显著增加(P<0.05),SBR 的R/S 显著减小(P<0.05);而qCO2 逐渐减小(P>0.05),qCO2 的R/S 逐渐上升(P>0.05),SBR 与qCO2 均表现出R > S 的特点。相关分析表明,SBR 与土壤微生物量碳(SMBC)、土壤温度(SST) 呈极显著正相关(P<0.01),与土壤容重(SBD)呈显著负相关(P<0.05);qCO2 与SMBC 呈极显著负相关(P<0.01),与ST呈显著负相关(P<0.05),与SBD和pH值呈显著正相关(P<0.05)。这些对于构建植被恢复技术体系具有理论与实践意义。

    Abstract:

    In order to understand the changes in soil respiration of sloping-land with purple soils in Hengyang, the soil basal respiration (SBR), metabolic quotient (qCO2) were studied by using the space series to replace time series, and the relationships between SBR, qCO2 and soil properties were analyzed. The results showed that SBR and qCO2 had significant difference at different re-vegetation stages. From bare land stage (Ⅰ), herb community stage (Ⅱ), shrub community stage (Ⅲ) to tree community stage (Ⅳ), SBR significantly increased (P<0.05), while qCO2 significantly decreased (P<0.05). At every re-vegetation stage, SBR significantly decreased (P<0.05) along 0-20 cm, 20-40 cm, and 40-60 cm soil layers, while qCO2 significantly increased (P<0.05). From Ⅱ, Ⅲ to Ⅳ stages, SBR of rhizosphere (R) and non-rhizosphere (S) significantly increased (P<0.05), and R/S of SBR significantly decreased (P<0.05), while qCO2 of R and S gradually decreased (P>0.05), and R/S of qCO2 gradually increased (P>0.05). SBR and qCO2 in rhizosphere were bigger than those in non-rhizosphere. Correlation analysis showed that SBR had significantly positive correlation with soil microbial biomass carbon (SMBC) and soil temperature (ST) (P<0.01), and significantly negative with soil bulk density (SBD) (P<0.05). qCO2 had significantly negative correlation with SMBC (P<0.01) and ST (P<0.05), but significantly positive with SBD and pH value (P<0.05). These would have a theoretical and practical significance for building vegetation restoration technique system.

    参考文献
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    [2] Tang J W, Badocchi D D, Xu L K. Tree photosynthesis modulates soil respiration on a diurnal time scale [J]. Glob Change Ecol, 11(8): 1298-1304.
    [3] Powslon D S. The effects of biocidal treatments on metabolism in soil: Grammas irradiation, autoclaving, air-drying and fumigation [J]. Soil Biol Biochem, 1976, 16(4): 459-464.
    [4] Chen J, Yang N. Dynamatic change of microbial biomass carbon (MBC) in the process of natural recovery on sloping-land with purple soils in Hengyang [J]. Ecol Environ Sci, 2012, 21(10): 1670-1673. 陈璟, 杨宁. 衡阳紫色土丘陵坡地自然恢复过程中微生物量碳 动态变化 [J]. 生态环境学报, 2012, 21(10): 1670-1673.
    [5] Wang G B, Tang Y F, Ruan H H, et al. Seasonal variation of soil respiration and itsmain regulating factors in a secondary oak forest and a pine plantation in north-subtropical area in China [J]. Acta Ecol Sin, 2009, 29(2): 966-975. 王国兵, 唐燕飞, 阮宏华, 等. 次生栎林与火炬松人工林土壤呼 吸的季节变异及其主要影响因子 [J]. 生态学报, 2009, 29(2): 966-975.
    [6] Montserrat G, Martí E, Sierra J, et al. Discriminating inhibitory from enhancing effects in respirometry assays from metal pollutedsewage sludge amended soils [J]. Appl Soil Ecol, 2006, 34(1): 52-61.
    [7] Yang N, Zou D S, Li J G. Study on dynamic of water content on the sloping-land with purple soils in Hengyang Basin [J]. Res Soil Water Conserv, 2009, 16(6): 16-21. 杨宁, 邹冬生, 李建国. 衡阳盆地紫色土丘陵坡地土壤水分变化 动态研究 [J]. 水土保持研究, 2009, 16(6): 16-21.
    [8] Yang N, Zou D S, Yang M Y, et al. Analysis on soil physiochemical characteristics in different restoration stages on slopingland with purple soils in Hengyang [J]. Res Agri Modern, 2012, 33(6): 757-761. 杨宁, 邹冬生, 杨满元, 等. 衡阳紫色土丘陵坡地植被不同恢 复阶段土壤理化特征分析 [J]. 农业现代化研究, 2012, 33(6): 757-761.
    [9] Yang N, Zou D S, Li J G. Spatial pattern of main populations of the natural recovery shrub stage community in sloping-land with purple soils in Hengyang [J]. Ecol Environ Sci, 2009, 18(3): 996-1001. 杨宁, 邹冬生, 李建国. 衡阳盆地紫色土丘陵坡地自然恢复灌 丛阶段主要种群空间分布格局 [J]. 生态环境学报, 2009, 18(3): 996-1001.
    [10] Yang N, Zou D S, Li J G. Study on numerical classification and species diversity of plant community in a sloping-land with purple soils in Hengyang Basin [J]. Res Agri Modern, 2009, 30(5): 615-619. 杨宁, 邹冬生, 李建国. 衡阳盆地紫色土丘陵坡地植物群落数 量分类及物种多样性研究 [J]. 农业现代化研究, 2009, 30(5): 615-619.
    [11] Yang N, Zou D S, Li J G, et al. Niche dynamics of main plant communities in natural restoration succession process on sloping land with purple soils in Hengyang Basin [J]. Bull Soil Water Conserv, 2010, 30(4): 87-93. 杨宁, 邹冬生, 李建国, 等. 衡阳盆地紫色土丘陵坡地主要植物 群落自然恢复演替进程中种群生态位动态 [J]. 水土保持通报, 2010, 30(4): 87-93.
    [12] Zhang J Y, Zhao H L, Zhang T H, et al. Dynamica of species diversity of communities in Restoration processes in Horqin Sandy Land [J]. Acta Phytoecol Sin, 2004, 28(1): 86-92. 张继义, 赵哈林, 张铜会, 等. 科尔沁沙地植被恢复系列上群 落演替与物种多样性的恢复动态 [J]. 植物生态学报, 2004, 28(1): 86-92.
    [13] Yang N, Zou D S, Yang M Y, et al. Structure and spatial distribution pattern of Taiwania flousiana population in Leigong Mountain, Guizhou [J]. Acta Bot Boreali-Occid Sin, 2011, 31(10): 2100-2105. 杨宁, 邹冬生, 杨满元, 等. 贵州雷公山秃杉的种群结构和空间 分布格局 [J]. 西北植物学报, 2011, 31(10): 2100-2105.
    [14] Vance E D, Brookes P C, Jenkinson D S. An extraction method for measuring soil microbial biomass C [J]. Soil Biol Biochem, 1987, 19(6): 703-707.
    [15] Yang N, Zou D S, Yang M Y, et al. The change of soil microbial biomass carbon and the relationship between it and soil physiochemical factors in different restoration stages on sloping-land with purple soils in Hengyang [J]. Ecol Environ Sci, 2013, 22(1): 25-30. 杨宁, 邹冬生, 杨满元, 等. 衡阳紫色土丘陵坡地植被不同恢复 阶段土壤微生物量碳的变化及其与土壤理化因子的关系 [J]. 生态环境学报, 2013, 22(1): 25-30.
    [16] Yang N, Zou D S, Yang M Y, et al. Relationships between vegetation characteristics and soil properties at different restoration stages on slope land with purple soils in Hengyang of Hunan Province, South-central China [J]. Chin J Appl Ecol, 2013, 24(1): 90-96. 杨宁, 邹冬生, 杨满元, 等. 衡阳紫色土丘陵坡地不同恢复阶段 植被特征与土壤性质的关系 [J]. 应用生态学报, 2013, 24(1): 90-96.
    [17] Bååth E. Effects of heavy metals in soil on microbial processes and populations: A review [J]. Water Air Soil Poll, 1989, 47(3/4): 335-379.
    [18] Wu J S, Lin Q M, Huang Q Y, et al. Determination Method for Soil Microbial Biomass and Its Application [M]. Beijing: China Meteorological Press, 2006: 1-150. 吴金水, 林启美, 黄巧云, 等. 土壤微生物生物量测定方法及其 应用 [M]. 北京: 气象出版社, 2006: 1-150. methods and observations [J]. Biogeochemistry, 48(1): 115-146.
    [2] Tang J W, Badocchi D D, Xu L K. Tree photosynthesis modulates soil respiration on a diurnal time scale [J]. Glob Change Ecol, 11(8): 1298-1304.
    [3] Powslon D S. The effects of biocidal treatments on metabolism in soil: Grammas irradiation, autoclaving, air-drying and fumigation
    [J]. Soil Biol Biochem, 1976, 16(4): 459-464.
    [4] Chen J, Yang N. Dynamatic change of microbial biomass carbon (MBC) in the process of natural recovery on sloping-land with purple soils in Hengyang [J]. Ecol Environ Sci, 2012, 21(10): 1670-1673. 陈璟, 杨宁. 衡阳紫色土丘陵坡地自然恢复过程中微生物量碳 动态变化 [J]. 生态环境学报, 2012, 21(10): 1670-1673.
    [5] Wang G B, Tang Y F, Ruan H H, et al. Seasonal variation of soil respiration and itsmain regulating factors in a secondary oak forest and a pine plantation in north-subtropical area in China [J]. Acta Ecol Sin, 2009, 29(2): 966-975. 王国兵, 唐燕飞, 阮宏华, 等. 次生栎林与火炬松人工林土壤呼 吸的季节变异及其主要影响因子 [J]. 生态学报, 2009, 29(2): 966-975.
    [6] Montserrat G, Martí E, Sierra J, et al. Discriminating inhibitory from enhancing effects in respirometry assays from metal pollutedsewage sludge amended soils [J]. Appl Soil Ecol, 2006, 34(1): 52-61.
    [7] Yang N, Zou D S, Li J G. Study on dynamic of water content on the sloping-land with purple soils in Hengyang Basin [J]. Res Soil Water Conserv, 2009, 16(6): 16-21. 杨宁, 邹冬生, 李建国. 衡阳盆地紫色土丘陵坡地土壤水分变化 动态研究 [J]. 水土保持研究, 2009, 16(6): 16-21.
    [8] Yang N, Zou D S, Yang M Y, et al. Analysis on soil physiochemical characteristics in different restoration stages on slopingland with purple soils in Hengyang [J]. Res Agri Modern, 2012, 33(6): 757-761. 杨宁, 邹冬生, 杨满元, 等. 衡阳紫色土丘陵坡地植被不同恢 复阶段土壤理化特征分析 [J]. 农业现代化研究, 2012, 33(6): 757-761.
    [9] Yang N, Zou D S, Li J G. Spatial pattern of main populations of the natural recovery shrub stage community in sloping-land with purple soils in Hengyang [J]. Ecol Environ Sci, 2009, 18(3): 996-1001. 杨宁, 邹冬生, 李建国. 衡阳盆地紫色土丘陵坡地自然恢复灌 丛阶段主要种群空间分布格局 [J]. 生态环境学报, 2009, 18(3): 996-1001.
    [10] Yang N, Zou D S, Li J G. Study on numerical classification and species diversity of plant community in a sloping-land with purple soils in Hengyang Basin [J]. Res Agri Modern, 2009, 30(5): 615-619. 杨宁, 邹冬生, 李建国. 衡阳盆地紫色土丘陵坡地植物群落数 量分类及物种多样性研究 [J]. 农业现代化研究, 2009, 30(5): 615-619.
    [11] Yang N, Zou D S, Li J G, et al. Niche dynamics of main plant communities in natural restoration succession process on sloping land with purple soils in Hengyang Basin [J]. Bull Soil Water Conserv, 2010, 30(4): 87-93. 杨宁, 邹冬生, 李建国, 等. 衡阳盆地紫色土丘陵坡地主要植物 群落自然恢复演替进程中种群生态位动态 [J]. 水土保持通报, 2010, 30(4): 87-93.
    [12] Zhang J Y, Zhao H L, Zhang T H, et al. Dynamica of species diversity of communities in Restoration processes in Horqin Sandy Land [J]. Acta Phytoecol Sin, 2004, 28(1): 86-92. 张继义, 赵哈林, 张铜会, 等. 科尔沁沙地植被恢复系列上群 落演替与物种多样性的恢复动态 [J]. 植物生态学报, 2004, 28(1): 86-92.
    [13] Yang N, Zou D S, Yang M Y, et al. Structure and spatial distribution pattern of Taiwania flousiana population in Leigong Mountain, Guizhou [J]. Acta Bot Boreali-Occid Sin, 2011, 31(10): 2100-2105. 杨宁, 邹冬生, 杨满元, 等. 贵州雷公山秃杉的种群结构和空间 分布格局 [J]. 西北植物学报, 2011, 31(10): 2100-2105.
    [14] Vance E D, Brookes P C, Jenkinson D S. An extraction method for measuring soil microbial biomass C [J]. Soil Biol Biochem, 1987, 19(6): 703-707.
    [15] Yang N, Zou D S, Yang M Y, et al. The change of soil microbial biomass carbon and the relationship between it and soil physiochemical factors in different restoration stages on sloping-land with purple soils in Hengyang [J]. Ecol Environ Sci, 2013, 22(1): 25-30. 杨宁, 邹冬生, 杨满元, 等. 衡阳紫色土丘陵坡地植被不同恢复 阶段土壤微生物量碳的变化及其与土壤理化因子的关系 [J]. 生态环境学报, 2013, 22(1): 25-30.
    [16] Yang N, Zou D S, Yang M Y, et al. Relationships between vegetation characteristics and soil properties at different restoration stages on slope land with purple soils in Hengyang of Hunan Province, South-central China [J]. Chin J Appl Ecol, 2013, 24(1): 90-96. 杨宁, 邹冬生, 杨满元, 等. 衡阳紫色土丘陵坡地不同恢复阶段 植被特征与土壤性质的关系 [J]. 应用生态学报, 2013, 24(1): 90-96.
    [17] Bååth E. Effects of heavy metals in soil on microbial processes and populations: A review [J]. Water Air Soil Poll, 1989, 47(3/4): 335-379.
    [18] Wu J S, Lin Q M, Huang Q Y, et al. Determination Method for Soil Microbial Biomass and Its Application [M]. Beijing: China Meteorological Press, 2006: 1-150. 吴金水, 林启美, 黄巧云, 等. 土壤微生物生物量测定方法及其 应用 [M]. 北京: 气象出版社, 2006: 1-150.
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陈璟,杨宁.衡阳紫色土丘陵坡地不同恢复阶段土壤基础呼吸及代谢熵的变化[J].热带亚热带植物学报,2013,21(6):514~520

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  • 收稿日期:2013-05-20
  • 最后修改日期:2013-07-26
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