Refinar búsqueda
Resultados 91-100 de 219
Determination of a chemical basis of air-pollution stress in wood of mature white pine trees in the susceptive forest ecosystems
1986
Pathak, S.N. (Toronto Univ. (Canada). Faculty of Forestry) | Love, D.V. | Roy, D.N.
Chemical composition of precipitation at Long Island, NY
1986
Lee, Y.N. (Brookhaven National Lab., Upton, NY (USA). Dept. of Applied Science, Environmental Chemistry Div.) | Shen, J. | Klotz, P.J.
Changes in fish populations in southernmost Norway during the last decade
1986
Sevaldrud, I.H. (Directorate for Nature and Management, Trondheim (Norway). Fish Research Div.) | Skogheim, O.K.
Swedish research activities about the effect of air pollution in forest land
1986
Liljelund, L.-E.
Ongoing and planned studies on air pollution and forests in Denmark
1986
Holstener-Joergensen, H.
Ongoing and planned studies on air pollution and forests in Norway
1986
Horntvedt, R.
Air pollution and forests: Research in Finland
1986
Paavilainen, E.
Water pollution by fertilizers and pesticides
1986
This study reflects the growing consensus among experts whose viewpoints were not always the same that some changes in agricultural practices are necessary to limit the environmental costs to society.--Publisher's description.
Mostrar más [+] Menos [-]Metal distribution and interaction in plant cultures on artificial soil
1986
Azpiazu, M.N. (Escuela Superior de Ingenieros Industriales, Bilbao (Spain). Dept. de Quimica) | Romero, F. | Diaz, J.M.
Sulphur gas emissions in the boreal forest: the West Whitecourt case study [Canada], 7: pine tree physiology
1986
Amundson, R.G. (Cornell Univ., Ithaca, NY (USA). Boyce Thompson Inst. for Plant Research) | Walker, R.B. | Legge, A.H.
