Abstract
We conducted several experiments to determine a procedure for uniformly warming soil 5° C above ambient using a buried heating cable. These experiments produced a successful design that could: 1) maintain a temperature difference of 5° C over a wide range of environmental conditions; 2) reduce inter-cable temperture variability to ca. 1.5° C; 3) maintain a temperature difference of 5° C near the edges of the plot; and 4) respond rapidly to changes in the environment. In addition, this design required electrical power only 42% of the time. Preliminary measurements indicate that heating increased CO2 emission by a factor of ca. 1.6 and decreased the C concentration in the O soil horizon by as much as 36%. In addition, warming the soil accelerated the emergence and early growth of the wild lily of the valley (Maianthemum canadense Desf.). The relationship between CO2 flux and soil temperature derived from our soil warming experiment was consistent with data from other hardwood forests around the world. Since the other hardwood forests were warmed naturally, it appears that for soil respiration, warming the soil with buried heating cables differs little from natural, aboveground warming. By warming soil beyond the range of natural variability, a multi-site, long-term soil warming experiment may be valuable in helping us understand how ecosystems will respond to global warming.
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References
Anderson JM (1973) Carbon dioxide evolution from two temperate, deciduous woodland soils. J Appl Ecol 10: 361–378
Billings WD, Luken JO, Mortensen DA, Peterson KM (1982) Arctic tundra: a source or sink for atmospheric carbon dioxide in a changing environment? Oecologia 53:7–11
Bowden RD, Steudler PA, Melillo JM, Aber JD (1990) Annual nitrous oxide fluxes from temperate forest soils in the northeastern United States. J Geophys Res 95: 13997–14005
Edwards NT (1975) Effects of temperature and moisture on carbon dioxide evolution in a mixed deciduous forest floor. Soil Sci Soc Am Proc 39: 361–365
Garrett HE, Cox GS (1973) Carbon dioxide evolution from the floor of an oak-hickory forest. Soil Sci Soc Am Proc 37: 641–644
Houghton JT, Jenkins GJ, Ephraums JJ (eds) (1990) Climate change: the IPCC scientific assessment. Cambridge University Press, New York
Jenkinson DS, Adams DE, Wild A (1991) Model estimates of CO2 emissions from soil in response to global warming. Nature 351: 304–306
Jones PD, Wigley TML (1990) Global warming trends. Sci Am 263: 84–91
Jones PD, Wigley TML, Wright PB (1986) Global temperature variations between 1861 and 1984. Nature 322: 430–434
Long-Term Ecological Research Network Office (1989) 1990's global change action plan utilizing a network of ecological research sites. Long-Term Ecological Research Network Office, Seattle
Melillo JM, Callaghan TV, Woodward FI, Salati E, Sinha SK (1990) Effects on ecosystems. In: Houghton JT, Jenkins GJ, Ephraums JJ (eds) Climate change: the IPCC scientific assessment. Cambridge University Press, New York, pp. 285–310
Nakane K (1980) Comparative studies of cycling of soil organic carbon in three primeval moist forests. Jpn J Ecol 30: 155–172
Nelson DW, Sommers LE (1982) Total carbon, organic carbon, and organic matter. In: Page AL (ed) Methods of soil analysis. Part 2. American Society of Agronomy and Soil Science Society of America, Madison, pp. 539–579
Raich JW, Bowden RD, Steudler PA (1990) Comparison of two static chamber techniques for determining carbon dioxide efflux from forest soils. Soil Sci Soc Am J 54: 1754–1757
Rastetter EB, Ryan MG, Shaver GR, Melillo JM, Nadelhoffer KJ, Hobbie JE, Aber JD (1991) A general biogeochemical model describing the responses of the C and N cycles in terrestrial ecosystems to changes in CO2, climate, and N deposition. Tree Physiol 9: 101–126
Redmond DR (1955) Studies in forest pathology. XV. rootlets, mycorrhiza, and soil temperatures in relation to birch dieback. Can J Bot 33: 595–627
Reiners WA (1968) Carbon dioxide evolution from the floor of three Minnesota forests. Ecology 49: 471–483
Rykbost KA, Boersma L, Mack HJ, Schmisseur WE (1975) Yield response to soil warming: agronomic crops. Agron J 67: 733–738
Schimel DS, Parton WJ, Kittel TGF, Ojima DS, Cole CV (1990) Grassland biogeochemistry: links to atmospheric processes. Clim Change 17: 13–25
Steudler PA, Bowden RD, Melillo JM, Aber JD (1989) Influence of nitrogen fertilization on methane uptake in temperate forest soils. Nature 341: 314–316
Van Cleve K, Oechel WC, Hom JL (1990) Response of black spruce (Picea mariana) ecosystems to soil temperature modification in interior Alaska. Can J For Res 20: 1530–1535
Virzo De Santo A, Alfani A, Sapio S (1976) Soil metabolism in beech forests of Monte Taburno (Campania Apennines) Oikos 27: 144–152
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Peterjohn, W.T., Melillo, J.M., Bowles, F.P. et al. Soil warming and trace gas fluxes: experimental design and preliminary flux results. Oecologia 93, 18–24 (1993). https://doi.org/10.1007/BF00321185
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DOI: https://doi.org/10.1007/BF00321185