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„ 1-,  E„d1il,ƒZ F b• ID1 null Houghton, R.A. , Jenkins, G. J. and Ephraums, J. J. Climate Change The IPCC ScientificAssessment. CambridgeUninullversity Press, Cambridge. 1990 1- 150.2null Lashof, D.A. The dynamic greenhouse feedback processes that may influence future concentrations of atmospheric tracegases and climate change. Clim. Change. 1989. 14, 213- 2423null Anderson, J. M. Soil and climate change. Advances in Ecological Research, 1992, 22 188- 2104null Bouman, A. F. Landuse related sources of greenhousegasses. Landuse Pol. 1974. 20, 154- 1645null Cicerone, R. J. and Orenland, R. S. Biogeochemical aspects of atmospheric methane. Global Biogeochem. Cycl. 1988. 2,299- 3276null Committee on Environment and Natural Resources Research of the National Scienceand Technology Council. Our changingplantnullthe fiscal year. Washington, D. C. US Global Change Research Program, 1995 1- 38.4695 null null null null null null null null nullf † o M1 –r ›a‹•Ynull null null null null null null null null7 null William, B. A. and Turner, B. L. Changes in land use and land cover, a global perspective. London Cambridge UniversityPress, 1994 7- 108null Kosinski, L. A. ed. Issues in global change research problems, data and prgrammes. HDP Report, 1996 6 7- 219null Sims, Z. R. Soil system; Greennullhouse gas; Effect of greennullhouse4715 null null null null null null null null nullf † o M1 –r ›a‹•Ynull null null null null null null null null