Biology and Fertility of Soils

, Volume 43, Issue 4, pp 479–489 | Cite as

Soil carbon pools and fluxes after land conversion in a semiarid shrub-steppe ecosystem

  • R. L. Cochran
  • H. P. Collins
  • A. Kennedy
  • D. F. Bezdicek
Original Paper


Worldwide soil carbon (C) losses associated with agricultural expansion and intensification have contributed significantly to increased atmospheric CO2. Soil disturbances resulting from land use changes were shown to modify the turnover of C and the formation of soil organic matter. A native semiarid shrub-steppe ecosystem recently converted into an irrigated agricultural development in the Columbia Basin of Washington State was evaluated for several abiotic indicators that might signal changes in an ecosystem during the initial stages of conversion and disturbance. Soil samples were collected in March of 2003 and 2004 from nine sites that included native shrub-steppe and agricultural fields converted in 2001 and 2002. Disturbance from conversion to irrigated crop production influenced total organic C and nitrogen (N) storage, C and N mineralization, and C turnover. Cultivated fields had greater concentrations of total organic C and N and higher cumulative C and N mineralization than native sites after 3 years of cultivation. Soil organic C was divided into three pools: an active pool (Ca) consisting of labile C (simple sugars, organic acids, the microbial biomass, and metabolic compounds of incorporated plant residues) with a mean residence time of days, an intermediate or slow pool (Cs) consisting of structural plant residues and physically stabilized C, and a resistant fraction (Cr) consisting of lignin and chemically stabilized C. Extended laboratory incubations of soil with measurements of CO2 were used to differentiate the size and turnover of the Ca and Cs functional C pools. The active pools were determined to be 4.5 and 6.5% and slow pools averaged 44 and 47% of the total C in native and cultivated fields, respectively. Cultivation, crop residue incorporation, and dairy manure compost amendments contributed to the increase in total soil C.


C cycling Carbon pools C turnover C mineralization Arid shrub-steppe 


  1. Allmaras RR, Linden DR, Clapp CE (2004) Corn-residue transformations into root and soil carbon as related to nitrogen, tillage and stover management. Soil Sci Soc Am J 68:1366–1375CrossRefGoogle Scholar
  2. Bolton H Jr, Smith JL, Wildung RE (1990) Nitrogen mineralization potentials of shrub-steppe soils with different disturbance histories. Soil Sci Soc Am J 54:887–891CrossRefGoogle Scholar
  3. Bolton H Jr, Smith JL, Link SO (1993) Soil microbial biomass and activity of a disturbed and undisturbed shrub-steppe ecosystem. Soil Biol Biochem 25:545–552CrossRefGoogle Scholar
  4. Brye KR, Slaton NA, Savin MC, Norman RJ, Miller DM (2003) Short-term effects of land leveling on soil physical properties and microbial biomass. Soil Sci Soc Am J 67:1405–1417CrossRefGoogle Scholar
  5. Bureau of Reclamation, US Department of the Interior (2005) Columbia Basin Project Washington.
  6. Buyanovsky GA, Aslam M, Wagner GH (1994) Carbon turnover in soil physical fractions. Soil Sci Soc Am J 58:1167–1174CrossRefGoogle Scholar
  7. Collins HP, Elliott LF, Papendick RI (1990) Wheat straw decomposition and changes in decomposability during field exposure. Soil Sci Soc Am J 54:1013–1016CrossRefGoogle Scholar
  8. Collins HP, Rasmussen PE, Douglas CL Jr (1992) Crop rotation and residue management effects on soil carbon and microbial dynamics. Soil Sci Soc Am J 56:783–788CrossRefGoogle Scholar
  9. Collins HP, Elliott ET, Paustian K, Bundy LG, Dick WA, Huggins DR, Smucker AJM, Paul EA (2000) Soil carbon pools and fluxes in long-term corn belt agroecosystems. Soil Biol Biochem 32:157–168CrossRefGoogle Scholar
  10. Dinesh R, Chaudhuri SG, Ganeshamurthy AN, Dey C (2003) Changes in soil microbial indices and their relationships following deforestation and cultivation in wet tropical forests. Appl Soil Ecol 24:17–26CrossRefGoogle Scholar
  11. Entry JR, Sojka RE, Shewmaker GE (2002) Management of irrigated agriculture to increase organic carbon storage in soils. Soil Sci Soc Am J 66:1957–1964CrossRefGoogle Scholar
  12. Evans RG, Hattendorf MJ, Kincaid CT (2000) Evaluation of the potential for agricultural development at the Hanford Site, PNNL-13125. Pacific Northwest National Laboratory, Richland, WAGoogle Scholar
  13. Flach KW, Barnwell TO Jr, Crosson P (1997) Impacts of agriculture on atmospheric carbon dioxide, p 3–5. In: Paul EA, Paustian KH, Elliott ET, Cole CV (eds) Soil organic matter in temperate agroecosystems: long-term experiments in North America. CRC Press, Boca Raton, FL, pp 3–5Google Scholar
  14. Gardner WH (1986) Water content. In: Klute A (ed) Methods of soil analysis, part 1. Physical and mineralogical methods, 2nd edn. American Society of Agronomy, Madison, WI, pp 493–544Google Scholar
  15. Havlin JL, Kissel DE, Maddux LD, Claassen MM, Long JH (1990) Crop rotation and tillage effects on soil organic carbon and nitrogen. Soil Sci Soc Am J 54:448–452CrossRefGoogle Scholar
  16. Hobbie SE, Gough L (2004) Litter decomposition in moist acidic and non-acidic tundra with different glacial histories. Oecologia 140:113–124PubMedCrossRefGoogle Scholar
  17. Hook PB, Burke IC (2000) Biogeochemistry in a shortgrass landscape: control by topography, soil texture, and microclimate. Ecology 81:2686–2803CrossRefGoogle Scholar
  18. Houghton RA, Hobbie JE, Melillo JM, Moore B, Peterson BJ, Shaver GR, Woodwell GM (1983) Changes in the carbon content of terrestrial biota and soils between 1860 and 1980: net release of CO2 to the atmosphere. Ecol Monogr 53:235–262CrossRefGoogle Scholar
  19. Hubbard C (1996) History of the Columbia Basin Project.
  20. Huggins DR, Buyanovsky GA, Wagner GH, Brown JR, Darmody RG, Peck TR, Lesoing GW, Vanotti MB, Bundy LG (1998) Soil organic carbon in the tallgrass prairie-derived region of the corn-belt: effects of long-term crop management. Soil Tillage Res 47:219–234CrossRefGoogle Scholar
  21. Kumar K, Goh KM (2000) Crop residues and management practices: effects on soil quality, soil nitrogen, dynamics, crop yield, and nitrogen recovery. Adv Agron 68:197–319Google Scholar
  22. Lal R, Follette RF, Kimble J, Cole CV (1999) Managing U.S. cropland to sequester carbon in soil. J Soil Water Conserv 54:374–381Google Scholar
  23. Lueking MA, Schepers JS (1985) Changes in soil carbon and nitrogen due to irrigation development in Nebraska’s sandhill soils. Soil Sci Soc Am J 49:626–663CrossRefGoogle Scholar
  24. Motavalli PP, Palm CA, Parton WJ, Elliott ET, Frey SD (1994) Comparison of laboratory and modeling simulation methods for estimating soil carbon pools in tropical forest soils. Soil Biol Biochem 26:935–944CrossRefGoogle Scholar
  25. Mummey DL, Smith JL, Bolton H Jr (1994) Nitrous oxide flux from a shrub-steppe ecosystem: sources and regulation. Soil Biol Biochem 26:279–286CrossRefGoogle Scholar
  26. Parker LW, Miller J, Steinberger Y, Whitford WG (1983) Soil respiration in a Chihuahuan Desert rangeland. Soil Biol Biochem 33:303–309CrossRefGoogle Scholar
  27. Paul EA, Follett RF, Leavitt SW, Halvorson A, Peterson GA, Lyon DJ (1997) Determination of soil organic matter pool sizes and dynamics: use of radiocarbon dating for great plains soil. Soil Sci Soc Am J 61:1058–1067CrossRefGoogle Scholar
  28. Paul EA, Harris D, Collins HP, Schulthess U, Robertson GP (1999) Evolution of CO2 and soil carbon dynamics in biologically managed, row-crop agroecosystems. Appl Soil Ecol 11:53–65CrossRefGoogle Scholar
  29. Paul EA, Collins HP, Leavitt SW (2001a) Dynamics of resistant soil carbon of Midwestern agricultural soils measured by naturally occurring 14C abundance. Geoderma 104:239–256CrossRefGoogle Scholar
  30. Paul EA, Morris SJ, Bohm S (2001b) The determination of soil C pool sizes and turnover rates: biophysical fractionation and tracers. In: Lal R, Kimble JM, Follett RF, Stewart BA (eds) Assessment methods for soil carbon. Lewis, Boca Raton, pp 193–206Google Scholar
  31. Paustian K, Collins HP, Paul EA (1997) Management controls on soil carbon. In: Paul EA, Paustian K, Elliott ET, Cole CV (eds) Soil organic matter in temperate agroecosystems long-term experiments in North America. CRC Press, New York, NY, pp 15–49Google Scholar
  32. Post WW, Peng TH, Emanuel WR, King AW, Dale VH, DeAngelis (1990) The global carbon cycle. Am Sci 78:310–326Google Scholar
  33. Puget P, Drinkwater LE (2001) Short-term dynamics of root- and shoot-derived carbon from leguminous green manure. Soil Sci Soc Am J 65:771–779CrossRefGoogle Scholar
  34. Rasmussen PE, Collins HP (1991) Long-term impacts of tillage, fertilizer, and crop residue on soil organic matter in temperate semiarid regions. Adv Agron 45:93–134CrossRefGoogle Scholar
  35. Rasmussen PE, Allmaras RR, Rohde CR, Roager NC Jr (1980) Crop residue influences on soil carbon and nitrogen in a wheat-fallow system. Soil Sci Soc Am J 44:596–600CrossRefGoogle Scholar
  36. Rickard WH (1988) Climate of the Hanford site. In: Rickard WH, Rogers LE, Vaughan BE, Liebetrau SF (eds) Shrub-steppe balance and change in a semi-arid terrestrial ecosystem, developments in agricultural and managed-forest ecology, vol 20. Elsevier, New York, pp 13–21Google Scholar
  37. Rickard WH, Vaughan BE (1988) Plant community characteristics and responses. In: Rickard WH, Rogers LE, Vaughan BE, Liebetrau SF (eds) Shrub-steppe balance and change in a semi-arid terrestrial ecosystem, developments in agricultural and managed-forest ecology, vol 20. Elsevier, New York, pp 108–175Google Scholar
  38. Robertson GP, Sollins P, Ellis BG, Lajtha K (1999) Exchangeable ions, pH and cation exhange capacity. In: Robertson GP, Coleman DC, Bledsoe CS, Sollins P (eds) Standard soil methods for long-term ecological research. Oxford University Press, New York, NY, pp 106–114Google Scholar
  39. Rogers LE, Rickard WH (1988) Introduction: shrub-steppe lands. In: Rickard WH, Rogers LE, Vaughan BE, Liebetrau SF (eds) Shrub-steppe balance and change in a semi-arid terrestrial ecosystem, developments in agricultural and managed-forest ecology, vol 20. Elsevier, New York, pp 1–12Google Scholar
  40. Sala OE, Parton WJ, Joyce LA, Lauenroth WK (1988) Primary production of the central grassland region of the United States. Ecology 69:40–45CrossRefGoogle Scholar
  41. Scharpenseel HW, Schiffman H (1977) Radiocarbon dating of soils, a review. Z Pflanzenernahr Bodenkd 140:159–174CrossRefGoogle Scholar
  42. Sims PL, Singh JS (1978) The structure and function of ten Western North American grasslands. III. Net primary production, turnover and efficiencies of energy capture and water use. J Ecol 66:573–597CrossRefGoogle Scholar
  43. Smith JL, Papendick RL, Bezdicek DF, Lynch JM (1993) Soil organic matter dynamics and crop residue management. In: Metting FB Jr (ed) Soil microbiology ecology. Marcel Dekker, New York, NY, pp 65–94Google Scholar
  44. Smith JL, Halvorson JJ, Bolton H Jr (1994) Spatial relationships of soil microbial biomass and C and N mineralization in a semi-arid shrub-steppe ecosystem. Soil Biol Biochem 26:1151–1159CrossRefGoogle Scholar
  45. Smith JL, Halvorson JJ, Bolton H Jr (2002) Soil properties and microbial activity across a 500 m elevation gradient in a semi-arid environment. Soil Biol Biochem 34:1749–1757CrossRefGoogle Scholar
  46. van der Krift TAJ, Gioacchini P, Kuikman PJ, Berendse F (2001) Effects of high and low fertility plant species on dead root decomposition and nitrogen mineralization. Soil Biol Biochem 33:2115–2124CrossRefGoogle Scholar
  47. Wander MM, Traina SJ, Stinner BR, Peters SE (1994) Organic and conventional management effects on biologically active soil organic matter pools. Soil Sci Soc Am J 58:1130–1139CrossRefGoogle Scholar
  48. Whitney RS, Gardner R, Robertson DW (1950) The effectiveness of manure and commercial fertilizer in restoring the productivity of subsoils exposed by leveling. Agron J 42:239–245CrossRefGoogle Scholar
  49. Wildung RE, Garland TR (1988) Soils: carbon and mineral cycling processes. In: Rickard WH, Rogers LE, Vaughan BE, Liebetrau SF (eds) Shrub-steppe balance and change in a semi-arid terrestrial ecosystem, developments in agricultural and managed-forest ecology, vol 20. Elsevier, New York, pp 23–56Google Scholar
  50. Wooten G (2002) Shrub-steppe conservation prioritization in Washington State. Kettle Range Conservation Group.
  51. Zibilske LM (1994) Carbon mineralization. In: Weaver RW, Angle JS, Bottomley PS (eds) Methods of soil analysis, part 2. Microbiological and biochemical properties. Soil Science Society of America, Madison WI, pp 835–864Google Scholar
  52. Zibilske LM, Materon LA (2005) Biochemical properties of decomposing cotton and corn stem and root residues. Soil Sci Soc Am J 69:378–386CrossRefGoogle Scholar
  53. Zielke RC, Christenson DR (1986) Organic carbon and nitrogen changes in soil under selected cropping systems. Soil Sci Soc Am J 50:363–367CrossRefGoogle Scholar

Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • R. L. Cochran
    • 1
  • H. P. Collins
    • 1
  • A. Kennedy
    • 2
  • D. F. Bezdicek
    • 3
  1. 1.Vegetable and Forage Research Unit, United States Department of Agriculture (USDA)Agricultural Research Service (ARS)ProsserUSA
  2. 2.Land Management and Water Conservation Research Unit, USDA-ARS, 217 Johnson HallWashington State UniversityPullmanUSA
  3. 3.Department of Crops and Soil SciencesWashington State UniversityPullmanUSA

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