References
- Bauwman, A. F., 1988: Int. Conf. Soils and the Greenhouse Effect. — Int. Soil Ref. and Inform. Cent. 143. — John Wiley and Sons, N.Y.
- Bendschneider, K. & Robinson, R. J., 1952: A new spectrophotometric method for the determination of nitrite in sea water. — J. Mar. Res. 11: 87–96.
- Blackmer, A. M. & Bremner, J. M., 1978: Inhibitory effect of nitrate on reduction of N2O to N2 by soil microorganisms. — Soil Biol. Biochem. 10: 187–191.
- Blackmer, A. M. & Bremner, J. M., 1979: Stimulatory effect of nitrate on reduction of N2O to N2 by soil microorganisms. — Soil Biol. Biochem. 11: 313–315.
- Cline, J. D. & Kaplan, I. R., 1975: Isotopie fractionation of dissolved nitrate during denitrification in the eastern tropical North Pacific Ocean. — Mar. Chem. 3: 271–299.
- Focht, D. D., 1974: The effect of temperature, pH and aeration on the production of nitrous oxide and gaseous nitrogen — a zero-order kinetic model. — Soil Sci. 118: 173–179.
- Liu, K. K. & Kaplan, I. R., 1989: The eastern tropical Pacific as a source of 15N-enriched nitrate in seawater off southern California. — Limnol. Oceanogr. 34: 820–830.
- Mariotti, A., Germon, J. C. & Leclerc, A., 1982: Nitrogen isotope fractionation associated with the N2O — N2 step of denitrification in soils. — Can. J. Soil Sci. 62: 227–241.
- Moore, H., 1974: Isotopie measurements of atmospheric nitrogen compounds. — Tellus 26: 169–174.
- Rasmussen, R. A. & Khalil, M. A. K., 1986: Atmospheric trace gases: Trends and distributions over the last decade. — Science 232: 1623–1624.
- Rees, C. E., 1973: A steady-state model for sulfur isotope fractionation in bacterial reduction process. — Geochim. Cosmochim. Acta 37: 1141–1162.
- Ryden, J. C. & Lund, L. J., 1980: Nitrous oxide evolution from irrigated land. — J. Environ. Quality 9: 387–393.
- Takahashi, M., Yoshioka, T. & Saijo, Y., 1982: Nitrogen metabolism in Lake Kizaki, Japan. III. Active nitrification in early summer. — Arch. Hydrobiol. 93: 272–286.
- Wada, E., Imaizumi, R. & Takai, Y., 1984: Natural abundance of 15N in soil organic matter with special reference to paddy soil in Japan: Biogeochemical implications on the nitrogen cycle. — Geochem. J. 18: 109–123.
- Wahlen, M. & Yoshinari, T., 1985: Oxygen isotope ratio in N2O from different environments. — Nature 313: 780–782.
- Wood, E. D., Arsmtrong, F. A. & Richards, F. A., 1967: Determination of nitrite in seawater by cadmium-copper reduction to nitrite. — J. Mar. Biol. Ass. U.K. 47: 23–31.
- Yamazaki, T., Yoshida, N., Wada, E. & Matuso, S., 1987: N2O reduction by Azotobacter vinerandii with emphasis on kinetic isotope effects. — Plant Cell Physiol. 28: 263–271.
- Yoh, M., Terai, H. & Saijo, Y., 1983: Accumulation of nitrous oxide in the oxygen deficient layer of freshwater lakes.Nature 301: 327–329.
- Yoshida, N., 1984: Nitrogen isotope studies on the geochemical cycle of nitrous oxide. — Doctoral Thesis, Tokyo Institute of Technology, Tokyo, Japan, 184 pp.
- Yoshida, N., 1988: 15N-depleted N2O as a product of nitrification. — Nature 335: 528–529.
- Yoshida, T. & Alexander, M., 1970: Nitrous oxide formation by Nitrosomonas europaea and heterotrophic microorganisms. — Soil Sei. Amer. Proc. 34: 880–882.
- Yoshida, N. & Matsuo, S., 1983: Nitrogen isotope ratio of atmospheric N2O as a key to the global cycle of N2O. — Geochem. J. 17: 231–239.
- Yoshida, N., Hattori, A., Saino, T., Matsuo, S. & Wada, E., 1984: 15N/14N ratio of dissolved N2O in the eastern tropical Pacific Ocean. — Nature 307: 442–444.
- Yoshida, N., Morimoto, H., Hirano, M., Koike, I., Matsuo, S., Wada, E., Saino, T. & Hattori, A., 1989: Nitrification rates and 15N abundance of N2O and NO3- in the western North Pacific. — Nature 342: 895–897.
- Yoshinari, T., 1976: Nitrous oxide in the sea. — Mar. Chem. 4: 189–202.
- Yoshinari, T., 1985: Nitrite and nitrous oxide production by Methylosinus trichosporium. — Can. J. Microbiol. 31: 139–144.
- Yoshioka, T. & Saijo, Y., 1984: Photoinhibition and recovery of NH4+-oxidizing bacteria and NO2−oxidizing bacteria. — J. Gen. Appl. Microbiol. 30: 151–166.
- Yoshioka, T., Wada, E. & Saijo, Y., 1988: Isotopie characterization of Lake Kizaki and Lake Suwa. — Jpn.J. Limnol. 49: 119–128.