AGRIS - International System for Agricultural Science and Technology

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Nutritional disturbances and histological changes in declining forests

1989

Zoettl, H.W. (Albert-Ludwigs-University, Freiburg im Breisgau (Germany). Inst. of Soil Science and Forest Nutrition) | Huettl, R.F. | Fink, S. | Tomlinson, G.H. | Wisniewski, J.

Wageningen University & Research - Netherlands

Sources of acidity in forest-floor percolate from a maple-birch ecosystem

1989

Hazlett, P.W. (Forestry Canada Ontario Region, Sault Ste. Marie, Ont. (Canada). Great Lakes Forestry Centre) | Foster, N.W.

Wageningen University & Research - Netherlands


Acid fog and ozone: their possible role in birch deterioration around the Bay of Fundy, Canada

1989

Cox, R.M. (Forestry Canada, Fredericton, N.B. (Canada). Maritimes Region) | Spavold-Tims, J. | Hughes, R.N.

Wageningen University & Research - Netherlands




Cycling of mercury between water, air, and soil compartments of the environment

1989

Schroeder, W.H. (Atmospheric Environment Service, Downsview, Ont. (Canada)) | Munthe, J. | Lindqvist, O.

Wageningen University & Research - Netherlands

Nutrient cycling in adirondack conifer plantations: is acidic deposition an influencing factor?

1989

Nowak, C.A. (State Univ. of New York, Syracuse, NY (USA). Coll. of Environmental Science and Forestry) | Shepard, J.P. | Downard, R.B. | White, E.H. | Raynal, D.J. | Mitchell, M.J.

Wageningen University & Research - Netherlands

Metals in sediment of lakes in northern Sweden

1989

Johansson, K. (National Environmental Protection Board, Solna (Sweden). Research and Development Dept.)

Wageningen University & Research - Netherlands