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  • Abbadie, L. & Lensi, R. (1990) Carbon and nitrogen mineralization and denitrification in a humid savanna of West Africa (Lamto, Côte d’Ivoire). Acta Oecologica, 11, 717728.
  • Abbadie, L., Mariotti, A. & Menaut, J.-C. (1992) Independence of savanna grasses from soil organic matter for their nitrogen supply. Ecology, 73, 608613.
  • Abbadie, L., Gignoux, J., Le Roux, X. & Lepage, M. (2006) Lamto: Structure, Functioning and Dynamics of a Savanna Ecosystem. Springer, Paris, France.
  • Amato, M. & Ladd, J.N. (1988) Assay for microbial biomass based on ninhydrin-reactive nitrogen in extracts of fumigated soils. Soil Biology and Biochemistry, 20(1), 107114.
  • Barot, S., Ugolini, A. & Brikci, F.B. (2007) Nutrient cycling efficiency explains the long-term effect of ecosystem engineers on primary production. Functional Ecology, 21, 110.
  • Basaraba, J. (1964) Influence of vegetable tannins on nitrification in soil. Plant and Soil, XXI, 816.
  • Bate, G.C. (1981) Nitrogen cycling in savanna ecosystems. Ecology Bulletins, 33, 463475.
  • Bengtsson, G., Bengtson, P. & Mansson, K.F. (2003) Gross nitrogen mineralization, immobilization-, and nitrification rates as a function of soil C/N ratio and microbial activity. Soil Biology and Biochemistry, 35, 143154.
  • Boughey, A.S., Munro, P.E., Meiklejohn, J., Strang, R.M., & Swift, M.J. (1964) Antibiotic reactions between African savanna species. Nature, 203, 13021303.
  • Brady, N.C. & Weil, R.R. (1999) The Nature and Properties of Soils, 12th edn. Prentice-Hall, Inc, Upper Saddle River, New Jersey.
  • Bremner, J.M. & Blackmer, A.M. (1978) Nitrous oxide: emission from soils during nitrification of fertilizer nitrogen. Science, 199, 295296.
  • Burger, M. & Jackson, L.E. (2003) Microbial immobilization of ammonium and nitrate in relation to ammonification and nitrification rates in organic and conventional cropping systems. Soil Biology and Biochemistry, 35, 2936.
  • César, J. (1971) Etude quantitative de la strate herbacée de la savane de Lamto (moyenne Côte d’Ivoire). Thèse troisième cycle, Université Paris.
  • Chapman, S.K., Langley, J.A., Hart, S.C. & Koch, G.W. (2006) Plants actively control nitrogen cycling: uncorking the microbial bottleneck. New Phytologist, 169, 2734
  • D’Antonio, C.M. & Vitousek, P.M. (1992) Biological invasions by exotic grasses, the grass/fire cycle, and global change. Annual Review of Ecology and Systematics, 23, 6387.
  • Degrange, V. (1996) Etude écologique de bactéries nitrifiantes du genre Nitrobacter. PhD Thesis, University of Lyon I, Lyon.
  • Van Es, H.M., Sogbedji, J.M. & Schindelbeck, R. (2006) Effect of manure application timing, crop, and soil type on nitrate leaching. Journal of Environmental Quality, 35, 670679.
  • Hodge, A., Robinson, D. & Fitter, A. (2000) Are microorganisms more effective than plants at competing for nitrogen? Trends in Plant Science, 5, 304308.
  • Hofstra, N. & Bouwman, A.F. (2005) Denitrification in agricultural soils: summarizing published data and estimating global annual rates. Nutrient Cycling in Agroecosystems, 72, 267278.
  • Howarth, R.W., Billen, G., Swaney, D., Townsend, A., Jaworski, N., Lajtha, K., Downing, J.A., Elmgren, R., Caraco, N., Jordan, T., Berendse, F., Freney, J., Kudeyarov, V., Murdoch, P. & Zhao-Liang, Z. (1996) Regional nitrogen budgets and riverine N & P fluxes for the drainages to the North Atlantic Ocean: Natural and human influences. Biogeochemistry, 35, 75139.
  • Ishikawa, T., Subbarao, G.V., Ito, O. & Okada, K. (2003) Suppression of nitrification and nitrous oxide emission by the tropical grass Brachiaria humidicola. Plant and Soil, 255, 413419.
  • Jones, C.G., Lawton, J.H. & Shachack, M. (1994) Organisms as ecosystem engineers. Oikos, 69, 373386.
  • Knops, J.M.H., Bradley, K.L. & Wedin, D. (2002) Mechanisms of plant species impacts on ecosystem nitrogen cycling. Ecology Letters, 5, 454466.
  • Lata, J.C. (1999) Interactions between microbial processes, nutrient cycle and grass cover functioning: study of soil nitrification under the Gramineae Hyparrhenia diplandra in a wet tropical savanna of Ivory Coast. PhD Thesis, University of Paris VI, Paris.
  • Lata, J.-C., Degrange, V., Raynaud, X., Maron, P.-A., Lensi, R. & Abbadie, L. (2004) Grass populations control nitrification in savanna soils. Functional Ecology, 18, 605611.
  • Lata, J.C., Durand, J., Lensi, R. & Abbadie, L. (1999) Stable coexistence of contrasted nitrification statuses in a wet tropical savanna ecosystem. Functional Ecology, 13, 762768.
  • Lata, J.C., Guillaume, K., Degrange, V., Abbadie, L. & Lensi, R. (2000) Relationships between root density of the African grass Hyparrhenia diplandra and nitrification at the decimetric scale: an inhibition–stimulation balance hypothesis. Proceeding of the Royal Society of London Series B-Biological Sciences, 267, 595600.
  • Le Roux, X., Abbadie, L., Lensi, R., & Serça, D. (1995) Emission of nitrogen monoxide from African tropical ecosystems: Control of emission by soil characteristics in humid and dry savannas of West Africa. Journal of Geophysical Research, 100, 23 133–23 142.
  • Loreau, M. (1998) Ecosystem development explained by competition within and between material cycles. Proceeding of the Royal Society of London Series B-Biological Sciences, 265, 3338.
  • Matson, P.A., Naylor, R. & Monasterio, I.O. (1998) Integration of Environmental, Agronomic, and Economic Aspects of Fertilizer Management. Science, 280, 112115.
  • May, R.M. (1974) Stability and Complexity in Model Ecosystems. Princeton University Press, Princeton and Oxford.
  • De Mazancourt, C., Loreau, M. & Abbadie, L. (1998) Grazing optimization and nutrient cycling: when do herbivores enhance plant production? Ecology, 79, 22422252.
  • De Mazancourt, C., Loreau, M. & Abbadie, L. (1999) Grazing optimization and nutrient cycling: potential impact of large herbivores in a savanna system. Ecological Applications, 93, 784797.
  • Meiklejohn, J. (1962) Microbiology of the nitrogen cycle in some Ghana soils. Empire Journal of Experimental Agriculture, 30, 115126.
  • Meiklejohn, J. (1968) Numbers of nitrifying bacteria in some Rhodesian soils under natural grass and improved pastures. Journal of Applied Ecology, 5, 291300.
  • Melillo, J.M. (1977) Mineralization of nitrogen in northern forest ecosystems. Ph.D. Thesis, Yale University, New Haven.
  • Menaut, J.-C. & César, J. (1979) Structure and primary productivity of Lamto savannas, Ivory Coast. Ecology, 60, 11971210.
  • Munro, P.E. (1966a) Inhibition of nitrifiers by grass roots extracts. Journal of Applied Ecology, 3, 231238.
  • Munro, P.E. (1966b) Inhibition of nitrite-oxidizers by roots of grass. Journal of Applied Ecology, 3, 227229.
  • Odling-Smee, F.J., Laland, K.N. & Feldman, M.W. (2003) Niche Construction: The Neglected Process in Evolution. Princeton University Press, Princeton and Oxford.
  • Pochon, J. & Bacvarov, I. (1973) Données préliminaires sur l’activité microbiologique des sols de la savane de Lamto (Côte d’Ivoire). Revue d’Écologie et de Biologie du Sol, 10, 3543.
  • Portejoie, S., Martinez, J. & Landmann, G. (2002) L’ammoniac d’origine agricole: impacts sur la santé humaine et animale et sur le milieu naturel. INRA Productions Animales, 15, 151160.
  • Raison, R.J. (1979) Modification of the soil environment by vegetation fires, with particular reference to nitrogen transformations: a review. Plant and Soil, 51, 73108.
  • Salsac, L., Chaillou, S., Morot-Gaudry, J.F., Lesaint, C. & Jolivet, E. (1987) Nitrate and ammonium nutrition in plants. Plant Physiology and Biochemistry, 25, 805812.
  • Seitzinger, S., Harrison, J.A., Böhlke, J.K., Bouwman, A.F., Lowrance, R., Peterson, B., Tobias, C. & Van Drecht, G. (2006) Denitrification across landscapes and waterscapes: a synthesis. Ecological Applications, 16, 20642090.
  • Smart, D.R. & Bloom, A.J. (2001) Wheat leaves emit nitrous oxide during nitrate assimilation. Proceedings of the National Academy of Sciences of the USA, 98, 78757878.
  • Subbarao, G.V., Ito, O., Sahrawat, K.L., Berry, W.L., Nakahara, K., Ishikawa, T., Watanabe, T., Suenaga, K., Rondon, M. & Rao, I.M. (2006) Scope and strategies for regulation of nitrification in agricultural systems-challenges and opportunities. Critical Reviews in Plant Sciences, 25, 303335.
  • Subbarao, G.V., Rondon, M., Ito, O., Ishikawa, T., Rao, I.M., Nakahara, K., Lascano, C.E. & Berry, W.L. (2007a) Biologocal nitrification inhibition (BNI) – Is it a widespread phenomenon ? Plant and Soil, 294, 518.
  • Subbarao, G.V., Wang, H.Y., Ito, O., Nakahara, K. & Berry, W.L. (2007b) NH4+ triggers the synthesis and release of biological nitrification inhibition compounds in Brachiaria humidicola roots. Plant and Soil, 290, 245257.
  • Tavernier, V. (2003) Interactions entre structures racinaires et cycle de l’azote en savane africaine. PhD Thesis, INA P-G, Paris, France.
  • Villecourt, P. & Roose, E. (1978) Charge en azote et en éléments minéraux majeurs des eaux de pluie, de pluviolessivage et de drainage dans la savane de Lamto (Côte d’Ivoire). Revue d’Ecologie et de Biologie du Sol, 15, 120.
  • Villecourt, P., Schmidt, W. & Cesar, J. (1979) Recherche sur la composition chimique (N, P, K) de la strate herbacée de la savane de Lamto (Côte d’Ivoire). Revue d’Ecologie et de Biologie du Sol, 16, 915.
  • Vitousek, P.M., Aber, J.D., Howarth, R.W., Likens, G.E., Matson, P.A., Schindler, D.W. & Tilman, D.G. (1997) Human alteration of the global nitrogen cycle: sources and consequences. Ecological Applications, 7, 737750.
  • Vitousek, P.M. & Howarth, R.W. (1991) Nitrogen limitation on land and in the sea: How can it occur? Biogeochemistry, 13, 87115.