Depth Distribution Pattern of Soil Organic Carbon in Forest from Taowan Basin of Funiu Mountain Area
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摘要
[Objectives]By testing applicability of SOC depth distribution model in geographical and climatic conditions of Funiu Mountain area,SOC depth distribution model in the region was established and applied. The constructed model was used to estimate SOC mass density in other regions,thereby obtaining SOC abundance distribution chart at different depths. [Methods]165 soil sampling sites were selected from Quercus variabilis forest,Pinus tabulaeformis forest,mixed forest,and shrub forest in Taowan basin of Funiu Mountain area,to determine SOC content at different depths,study SOC depth distribution pattern of forest in Taowan basin of Funiu Mountain area,and assess SOC reserve at different depths. [Results]Average SOC density of Q. variabilis forest,P. tabulaeformis forest,mixed forest,and shrub forest at the depth of 0-20 cm was 7. 92,8. 42,8. 14 and 9. 67 kg/m~2,and there was significant difference in SOC density between shrub forest and Q. variabilis forest,P. tabulaeformis forest,mixed forest( P < 0. 05),and SOC density of four kinds of vegetation all abruptly declined with soil depth increased. At the depth of 0-20 cm,correlation between SOC density and vegetation type,canopy density,clay content and sand content was significant,and the correlation with altitude was insignificant. When carbon density at the depth of 0-100 cm was used to describe regional SOC reserve,the estimated value was lower. The established space model could predict SOC density of forest. [Conclusions]The estimation of deep-layer SOC by the established model needed further consideration,and estimation method for special areas needed to be further demonstrated.
[Objectives]By testing applicability of SOC depth distribution model in geographical and climatic conditions of Funiu Mountain area,SOC depth distribution model in the region was established and applied. The constructed model was used to estimate SOC mass density in other regions,thereby obtaining SOC abundance distribution chart at different depths. [Methods]165 soil sampling sites were selected from Quercus variabilis forest,Pinus tabulaeformis forest,mixed forest,and shrub forest in Taowan basin of Funiu Mountain area,to determine SOC content at different depths,study SOC depth distribution pattern of forest in Taowan basin of Funiu Mountain area,and assess SOC reserve at different depths. [Results]Average SOC density of Q. variabilis forest,P. tabulaeformis forest,mixed forest,and shrub forest at the depth of 0-20 cm was 7. 92,8. 42,8. 14 and 9. 67 kg/m~2,and there was significant difference in SOC density between shrub forest and Q. variabilis forest,P. tabulaeformis forest,mixed forest( P < 0. 05),and SOC density of four kinds of vegetation all abruptly declined with soil depth increased. At the depth of 0-20 cm,correlation between SOC density and vegetation type,canopy density,clay content and sand content was significant,and the correlation with altitude was insignificant. When carbon density at the depth of 0-100 cm was used to describe regional SOC reserve,the estimated value was lower. The established space model could predict SOC density of forest. [Conclusions]The estimation of deep-layer SOC by the established model needed further consideration,and estimation method for special areas needed to be further demonstrated.
[Objectives]By testing applicability of SOC depth distribution model in geographical and climatic conditions of Funiu Mountain area,SOC depth distribution model in the region was established and applied. The constructed model was used to estimate SOC mass density in other regions,thereby obtaining SOC abundance distribution chart at different depths. [Methods]165 soil sampling sites were selected from Quercus variabilis forest,Pinus tabulaeformis forest,mixed forest,and shrub forest in Taowan basin of Funiu Mountain area,to determine SOC content at different depths,study SOC depth distribution pattern of forest in Taowan basin of Funiu Mountain area,and assess SOC reserve at different depths. [Results]Average SOC density of Q. variabilis forest,P. tabulaeformis forest,mixed forest,and shrub forest at the depth of 0-20 cm was 7. 92,8. 42,8. 14 and 9. 67 kg/m~2,and there was significant difference in SOC density between shrub forest and Q. variabilis forest,P. tabulaeformis forest,mixed forest( P < 0. 05),and SOC density of four kinds of vegetation all abruptly declined with soil depth increased. At the depth of 0-20 cm,correlation between SOC density and vegetation type,canopy density,clay content and sand content was significant,and the correlation with altitude was insignificant. When carbon density at the depth of 0-100 cm was used to describe regional SOC reserve,the estimated value was lower. The established space model could predict SOC density of forest. [Conclusions]The estimation of deep-layer SOC by the established model needed further consideration,and estimation method for special areas needed to be further demonstrated.
引文
[1]DAWSON JJC,GODSIFFE EJ,THOMPSON IP,et al.Application of biological indicators to assess recovery of hydrocarbon impacted soils[J].Soil Biology&Biochemistry,2007,39(1):164-177.
[2]TIAN YW,HUANG ZL,XIAO WF,et al.Effects of plant species and litter on soil organic carbon sequestration in converted croplands in a typical watershed in Three Gorges Reservoir area of China[J].Chinese Journal of Ecology,2012,31(11):2742-2747.(in Chinese).
[3]LIU SR,WANG H,LUAN JW.A review of research progress and future prospective of forest soil carbon stock and soil carbon process in China[J].Acta Ecologica Sinica,2011,31(19):5437-5448.(in Chinese).
[4]LU QL,WANG GB,YANG P,et al.A review on the estimation methods of carbon pools of forest ecosystems[J].Journal of Nanjing Forestry University(Natural Sciences),2012,36(5):155-160.(in Chinese).
[5]Meersmans J,De Ridder F,et al.A multiple regression approach to assess the spatial distribution of Soil Organic Carbon(SOC)at the regional scale(Flanders,Belgium)[J].Geoderma,2008,143(1):1-13.
[6]HUANG ZL,TIAN YW,XIAO WF,et al.Soil organic carbon sequestration in protection forest in Three Gorges reservoir area[J].Journal of Nanjing Forestry University(Natural Sciences),2013,37(2):15-20.(in Chinese).
[7]STEINBEISS S,TEMPERTON VM,GLEIXNER G.Mechanisms of soil carbon storage in experimental grasslands[J].Biogeosciences Discussions,2007(4):3829-3862.
[8]FONTAINE S,BAROT S,BARRE P,et al.Stability of organic carbon in deep soil layers controlled by fresh carbon supply[J].Nature,2007,450(5):277-280.
[9]LU RK.Analytical methods of soil agricultural chemistry[M].Beijing:China Agricultural Science and Technology Press,2000.(in Chinese).
[10]Ministry of Environmental Protection.Soil-determination of organic carbon-potassium dichromate oxidation spectrophotometric method[M].Beijing:China Environmental Science Press,2011.(in Chinese).
[11]State Forestry Bureau.Observation methodology for long-term forest ecosystem research[M].Beijing:China Forestry Publishing House,2011.(in Chinese).
[12]MEERSMANS J,WESEMAEL BV,RIDDER FD,et al.Modelling the three-dimensional spatial distribution of soil organic carbon(SOC)at the regional scale(Flanders,Belgium)[J].Geoderma,2009,152(7):43-52.
[13]TIAN YW,HE CL,LIU LC,et al.Changes in the spatial distribution and dynamics of soil organic carbon density in grasslands converted from farmland[J].Acta Prataculturae Sinica,2016,25(8):48-55.(in Chinese).
[14]TIAN YW,ZENG LX,HUANG ZL,et al.Construction and application of a depth distribution model for soil organic carbon in forest areas[J].Acta Ecologica Sinica,2015,35(22):7503-7510.(in Chinese).
[15]TIAN YW,HUANG ZL,XIAO WF,et al.Modelling spatial distribution for forest soil organic carbon in Three Gorges Reservoir Area[J].Journal of Nanjing Forestry University(Natural Sciences),2014,38(6):142-147.(in Chinese).
[16]JOBBAGY EG,JACKSON RB.The vertical distribution of soil organic carbon and its relation to climate and vegetation[J].Ecological Applications,2000,10(2):423-436.
[17]DON A,SCHUMACHER J,SCHERER-LORENZEN M,et al.Spatial and vertical variation of soil carbon at two grassland sites-Implications for measuring soil carbon stocks[J].Geoderma,2007,141(5):272-282.
[18]ZHI JJ,JING CW,ZHANG C.Estimation of soil organic carbon density and storage in Zhejiang Province of East China by using 1∶50 000 soil database[J].Chinese Journal of Applied Ecology,2013,24(3):683-689.(in Chinese).
[19]YU DS,SHI XZ,WANG HJ,et al.Regional patterns of soil organic carbon stocks in China[J].Journal of Environmental Management,2007,85(3):680-689.
[20]JACKSON RB,CANADELL J,EHLERINGER JR,et al.A global analysis of root distributions for terrestrial biomes[J].Oecologia,1996,108(2):389-411.
[21]DING XQ,MA HJ,ZHU XL,et al.The vertical distribution characteristics of soil organic carbon in different altitude of Dawei Mountain[J].Journal of Soil and Water Conservation,2015,29(2):258-262.(in Chinese).
[22]CHENG H,ZHANG HX,HUANG ZJ,et al.Variations of soil organic carbon content along an altitudinal gradient in Wuyi Mountain[J].Journal of Forest and Environment,2018,59(2):135-141.(in Chinese).
[23]BATJES NH.Total carbon and nitrogen in the soils of the world[J].European Journal of Soil Science,1996,47(2):151-163.
[2]TIAN YW,HUANG ZL,XIAO WF,et al.Effects of plant species and litter on soil organic carbon sequestration in converted croplands in a typical watershed in Three Gorges Reservoir area of China[J].Chinese Journal of Ecology,2012,31(11):2742-2747.(in Chinese).
[3]LIU SR,WANG H,LUAN JW.A review of research progress and future prospective of forest soil carbon stock and soil carbon process in China[J].Acta Ecologica Sinica,2011,31(19):5437-5448.(in Chinese).
[4]LU QL,WANG GB,YANG P,et al.A review on the estimation methods of carbon pools of forest ecosystems[J].Journal of Nanjing Forestry University(Natural Sciences),2012,36(5):155-160.(in Chinese).
[5]Meersmans J,De Ridder F,et al.A multiple regression approach to assess the spatial distribution of Soil Organic Carbon(SOC)at the regional scale(Flanders,Belgium)[J].Geoderma,2008,143(1):1-13.
[6]HUANG ZL,TIAN YW,XIAO WF,et al.Soil organic carbon sequestration in protection forest in Three Gorges reservoir area[J].Journal of Nanjing Forestry University(Natural Sciences),2013,37(2):15-20.(in Chinese).
[7]STEINBEISS S,TEMPERTON VM,GLEIXNER G.Mechanisms of soil carbon storage in experimental grasslands[J].Biogeosciences Discussions,2007(4):3829-3862.
[8]FONTAINE S,BAROT S,BARRE P,et al.Stability of organic carbon in deep soil layers controlled by fresh carbon supply[J].Nature,2007,450(5):277-280.
[9]LU RK.Analytical methods of soil agricultural chemistry[M].Beijing:China Agricultural Science and Technology Press,2000.(in Chinese).
[10]Ministry of Environmental Protection.Soil-determination of organic carbon-potassium dichromate oxidation spectrophotometric method[M].Beijing:China Environmental Science Press,2011.(in Chinese).
[11]State Forestry Bureau.Observation methodology for long-term forest ecosystem research[M].Beijing:China Forestry Publishing House,2011.(in Chinese).
[12]MEERSMANS J,WESEMAEL BV,RIDDER FD,et al.Modelling the three-dimensional spatial distribution of soil organic carbon(SOC)at the regional scale(Flanders,Belgium)[J].Geoderma,2009,152(7):43-52.
[13]TIAN YW,HE CL,LIU LC,et al.Changes in the spatial distribution and dynamics of soil organic carbon density in grasslands converted from farmland[J].Acta Prataculturae Sinica,2016,25(8):48-55.(in Chinese).
[14]TIAN YW,ZENG LX,HUANG ZL,et al.Construction and application of a depth distribution model for soil organic carbon in forest areas[J].Acta Ecologica Sinica,2015,35(22):7503-7510.(in Chinese).
[15]TIAN YW,HUANG ZL,XIAO WF,et al.Modelling spatial distribution for forest soil organic carbon in Three Gorges Reservoir Area[J].Journal of Nanjing Forestry University(Natural Sciences),2014,38(6):142-147.(in Chinese).
[16]JOBBAGY EG,JACKSON RB.The vertical distribution of soil organic carbon and its relation to climate and vegetation[J].Ecological Applications,2000,10(2):423-436.
[17]DON A,SCHUMACHER J,SCHERER-LORENZEN M,et al.Spatial and vertical variation of soil carbon at two grassland sites-Implications for measuring soil carbon stocks[J].Geoderma,2007,141(5):272-282.
[18]ZHI JJ,JING CW,ZHANG C.Estimation of soil organic carbon density and storage in Zhejiang Province of East China by using 1∶50 000 soil database[J].Chinese Journal of Applied Ecology,2013,24(3):683-689.(in Chinese).
[19]YU DS,SHI XZ,WANG HJ,et al.Regional patterns of soil organic carbon stocks in China[J].Journal of Environmental Management,2007,85(3):680-689.
[20]JACKSON RB,CANADELL J,EHLERINGER JR,et al.A global analysis of root distributions for terrestrial biomes[J].Oecologia,1996,108(2):389-411.
[21]DING XQ,MA HJ,ZHU XL,et al.The vertical distribution characteristics of soil organic carbon in different altitude of Dawei Mountain[J].Journal of Soil and Water Conservation,2015,29(2):258-262.(in Chinese).
[22]CHENG H,ZHANG HX,HUANG ZJ,et al.Variations of soil organic carbon content along an altitudinal gradient in Wuyi Mountain[J].Journal of Forest and Environment,2018,59(2):135-141.(in Chinese).
[23]BATJES NH.Total carbon and nitrogen in the soils of the world[J].European Journal of Soil Science,1996,47(2):151-163.