References
- Alm, J., Huttunen, J. T., Nykänen, H., Silvola, J. & Martikainen, P. J., 1997: Greenhouse gas emissions from small eutrophic lakes in Finland. — In: Senesi, N. & Miano T. M. (eds): Abstracts of invited and volunteered papers. — XIII Intl. Symp. on Environmental Biogeochemistry. Matter and Energy Fluxes in the Anthropogenic Environment, September 21–26, Monopoli (Bari), Italy.
- Bartlett, K. B., Sass, R. L., Harris, R. C. & Dise, N. B., 1992: Methane emission from tundra environments in the Yukon and Kuskokwim delta, Alaska. — J. Geophys. Res. 97: 16645–16660.
- Butler, J. N., 1982: Carbon Dioxide Equilibria and their Applications. — Addison-Wesley. 258 pp.
- Cole, J. J., Caraco, N. F., Kling, G. W. & Kratz, T. K., 1994: Carbon dioxide supersaturation in the surface waters of lakes. — Science 265: 1568–1570.
- Dixon R. K., Brown, S., Houghton, R. A., Solomon, A. M., Trexler, M. C. & Wisniewski, J., 1994: Carbon pools and flux of global forest ecosystems. — Science 263: 185–190.
- Hope, D., Kratz, T. K. & Riera, J. L., 1996: Relationship between PCO2, and dissolved organic carbon in Northern Wisconsin lakes. — J. Environ. Qual. 25: 1442–1445.
- Khalil, M. A. K. & Shearer, M. J., 1993: Sources of methane: an overview. — In: Khalil, M. A. K. (ed.): Atmospheric Methane: Sources, Sinks, and Role in Global Change. — Springer.
- Kortelainen, P., 1993: Content of total organic carbon in Finnish lakes and its relationship to catchment characteristics. — Can. J. Fish. Aquat. Sci. 50(7): 1477–1483.
- McAuliffe, C. C., 1971: Gas chromatographic determinations of solutes by multiple phase equilibration. — Chem. Technol. 1: 46–51.
- Mengis, M., Gächter, R. & Wehrli, B., 1997: Sources and sinks of nitrous oxide (N2O) in deep lakes. — Biogeochemistry 38: 281–301.
- Michmerhuizen, C. M., Striegl, R. G. & McDonald, M. E., 1996: Potential methane emission from north-temperate lakes following ice melt. — Limnol. Oceanogr. 41(5): 985–991.
- SASInstitute, 1989: SAS/STAT User's Guide, Ver. 6, Edition 4, Vol. 2. — SAS Institute, Cary, NC.
- Smith, L. K. & Lewis, W. M., Jr., 1992: Seasonality of methane emissions from five lakes and associated wetlands of the Colorado Rockies. — Global Biogeochem. Cycles 6: 323–338.
- Wetzel, R., 1975: Limnology. — Saunders College Publishing, Philadelphia. 743 pp.