APHA (American Public Health Association). (1967) Standard Methods for the Examination of Water and Wastewater, American Public Health Association Inc., Washington, DC.

Beaty, K.G. (1981) Hydrometerological data for the Experimental Lakes Area, northwestern Ontario, 1969-1978. Part II. Can. Data Rep. Fish. Aquat. Sci. 285.

Bosch, J.M. and Hewlett, J.D. (1982) A review of catchment experiments to determine the effect of vegetation changes on water yield and evapotranspiration. J. Hydrol. 55, 3--23.

Brinkley, D. and Richter, D. (1987) Nutrient cycles and H⁺ budgets of forest ecosystems. Adv. Ecol. Res. 16, 1--51.

Brown, G.W., Gahler, A.R. and Marston, R.B. (1973) Nutrient losses after clear-cut logging and slash burning in the Oregon Coast Range. Water Resources Res. 9, 1450--3

Brown, W. (1984) Maybe acid rain isn't the villain. Fortune 109, 170--4.

Feller, M.C. and Kimmins, J.P.(1984) Effects of clearcutting and slash burning on streamwater chemistry and watershed nutrient budgets in southwestern British Columbia. Water Resources Res. 20,29--40.

Foster, N.W.and Morrison, I.K. (1976) Distribution and cycling of nutrients in a natural Pinus banksiana ecosystem. Ecology 57, 110--20.

Grier, C.C. (1975) Wildfire effects on nutrient distribution and leaching in a coniferous ecosystem. Can. J. For. Res. 5, 599--607.

Grier, C.C. and Cole, D.W. (1971) Influence of slash burning on ion transport in a forest soil. Northw. Sci. 45, 100--6.

Hetherington, E.D. (1987) The importance of forests in the hydrological regime. Can. Aquat. Resour. Can. Bull. Fish. Aquat. Sci. 215, 179--211.

Johnson, P.L. and Swank, W.T. (1973) Studies of cation budgets in the southern Appalachians on four experimental watersheds with contrasting vegetation. Ecology 54, 70--80.

Kerekes, J., Howell, G. and Pollock, T. (1984) Problems associated with sulphate determination in colored humic waters in Kejimkujik National Park, Nova Scotia (Canada). Verh. Internat. Verein. Limnol. 22, 1811--17.

Krug, E.C. and Frink, C.R. (1983) Acid rain on acid soil: a new perspective. Science 221,520--5.

Krug, E.C. and Frink, C.R. (1984) Letters. Science 225, 1427--9.

Kusaka, S., Nakane, K. and Mitsudera, M. (1983) Effect of fire on water and major nutrient budgets in forest ecosystems. I. Water balance. Jap. J. Ecol. 33,323--32.

Likens, G.E. (1969) Nitrification: importance to nutrient losses from a cutover forested ecosystem. Science 163, 1205--6.

Likens, G.E., Bormann, F.H., Johnson, N.M., Fisher, D.W. and Pierce, R.S. (1970) Effects of forest cutting and herbicide treatment on nutrient budgets in the Hubbard Brook watershed-ecosystem. Ecol. Monogr. 40, 23--47.

Likens, G.E., Bormann, F.H., Pierce, R.S., Eaton, J.S. and Johnson, N.M. (1977) Biogeochemistry of a Forested Ecosystem, Springer-Verlag, New York.

Marks, P.L. and Bormann, F.H. (1972) Revegetation following forest cutting: mechanisms for return to steady-state nutrient cycling. Science 176, 914--15.

McColl, J.G. and Grigal, D.F. (1977) Nutrient changes following a forest wildfire in Minnesota: effects in watersheds with differing soils. Oikos 28, 105--12.

Nakane, K. , Kusaka, S. , Mitsudera, M. and Tsubota, H. (1983) Effect of fire on water and major nutrient budgets in forest ecosystems. II. Nutrient balances, input (precipitation) and output (discharge). Jap. J. Ecol. 33, 333--45.

Nilsson, S.N., Miller, H.G. and Miller, J.D. (1982) Forest growth as possible cause of soil and water acidification: an examination of the concepts. Oikos 39, 40--9.

Ohmann, L.F. and Grigal, D.R. (1979) Early revegetation and nutrient dynamics following the 1971 Little Sioux forest fire in northeastern Minnesota. For. Sci. Monogr. 21.

Rosenqvist, I. T. (1978) Alternative sources for acidification of river water in Norway. Sci. Tot. Environ. 10, 39--49.

Schindler, D.W., Newbury, R.W., Beaty, K.G., Prokopowich, J., Ruszczynski, T. and Dalton, J.A. (1980) Effects of a windstorm and forest fire on chemical losses from forested watersheds and on the quality of receiving streams. Can. J. Fish. Aquat. Sci. 37, 328--34.

Smith, D.W.(1970) Concentrations of soil nutrients before and after fire. Can. J. Soil Sci. 50, 17--29.

Stainton, M.P., Capel, M.J. and Armstrong, F.A.J. (1977) The Chemical Analysis of Freshwater, 2nd edn, Can. Fish. Mar. Ser. Misc. Spec. Publ. 25.

Swank, W.T.(1988) Stream chemistry responses to disturbance. In: Swank, W.T.and Crossley D.A. Jr (Eds), Forest Hydrology and Ecology at Coweeta, Springer-Verlag, New York, pp. 339--57.

Tiedemann, A.R., Helvey, J.D. and Anderson, T.D. (1978) Stream chemistry and watershed nutrient economy following wildfire and fertilization in eastern Washington. J. Environ. Qual. 7, 580--8.

Vitousek, P.M. and Reiners, W.A. (1975) Ecosystem succession and nutrient retention: a hypothesis. BioScience 25, 376--81.

Vitousek, P.M., Gosz, J.R., Grier, C.C., Melillo, J.M., Reiners, W.A. and Todd, R.L. (1979) Nitrate losses from disturbed ecosystems. Science 204,469--74.

Woodmansee, R.G. and Wallach, L.S. (1981) Effects of fire regimes on biogeochemical cycles, pp. 649--69. In: Clark, F.E. and Rosswall, T. (Eds), Terrestrial Nitrogen Cycles. Ecol. Bull. (Stockholm), 33.

Wright, R.F. (1976) The impact of forest fire on the nutrient influxes to small lakes in northeastern Minnesota. Ecology 57, 649--63.