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1990

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Resultados 261-270 de 329

The state of transboundary air pollution: 1989 update. Report prepared within the framework of the Convention on Long-Range Transboundary Air Pollution.

1990

costos arbre forestier soil pollution mercurio pollution du sol national expenditure control de la contaminacion metal lourd polucion del aire polucion del suelo arboles forestales cout ...
Wolters Kluwer - United States of America
Effect of the chemical composition of industrial dusts on forest floor organic matter accumulation

1990

Grodzinski, W. | Greszta, J. | Laskowski, R. | Maryanski, M. | Rozen, A. (Department of Ecosystem Studies, Institute of Environmental Biology, Jagiellonian University, 30-060 Krakow (Poland))

polonia aluminium degradation polvo (contaminantes) forest litter poland lead/ air pollution plomo/ polucion del aire poussiere plomb/ pollution atmospherique degradacion litiere forestiere ...
Department for Environment, Food and Rural Affairs - United Kingdom
[The state of transboundary air pollution: effects and control]

1990

toma de decisiones cours d'eau rivers pluie acide acid rain acidification lutte antipollution/ controle continu prise de decision control de la contaminacion/ vigilancia polucion del aire acidificacion pollution control/ monitoring ...
Food and Agriculture Organization of the United Nations - Italy
Air pollution and forest decline Texto completo

1990

Luoma, Jon R. | Joyner, Kimberly C.

air europe air pollution pollution united states forest damage forest declines decline
National Agricultural Library - United States of America
Physiological and biochemical investigations into the yellowing of spruce and higher altitudes. Pt.3: Light and yellowing

1990

Siefermann-Harms, D. (Kernforschungszentrum Karlsruhe (Germany, F.R.). Inst. fuer Genetik undToxikologie)

neoxanthin light schadstoffbelastung photosynthese luz baden-wuerttemberg 181.341 pigmente nadeln vergilbung 181.45 160.24 171.213 ...
ZB MED Nutrition. Environment. Agriculture - Germany
Heavy metal pollution and state of health of forest trees

1990

Trueby, P. (Freiburg Univ. (Germany, F.R.). Inst. fuer Bodenkunde) | Zoettl, H.W.

maladie des plantes metales pesados plant diseases corteza feuille fichte rhenanie du nord-westphalie immissionsbelastung (430.1-43.36) 181.45 aufnahmemengen schwermetalle aufnahmeweg ...
ZB MED Nutrition. Environment. Agriculture - Germany
Histological and histochemical investigations on the nutrient dynamics in forest trees with regard to the "New-type forest decline". 3. Localization studies

1990

Fink, S. (Tuebingen Univ. (Germany, F.R.). Inst. fuer Biologie. Abt. Biochemie der Pflanzen)

calcio feuille baden-wuerttemberg fichte magnesio phloem 181.341 mikroskopische untersuchung 181.342 181.45 160.24 425.1 ...
ZB MED Nutrition. Environment. Agriculture - Germany
Open top chamber experiment "Edelmannshof": Determination of biochemical parameters in needles from Norway spruce fumigated with unfiltered or charcoal-filtered air in comparison to untreated trees

1990

Egger, B. (Tuebingen Univ. (Germany, F.R.). Abt. Biochemie der Pflanzen) | Einig, W. | Weidmann, P. | Hampp, R.

feuille baden-wuerttemberg chlorophylle chlorophylls fumigation hojas fumigacion hexose-phosphate 161.32 181.45 energiehaushalt 425.1 ...
ZB MED Nutrition. Environment. Agriculture - Germany
Reflectance spectra of leaves and needles as basis for the physiological evaluation of tree damage. 3. Outdoor measurements with deciduous and coniferous trees

1990

Buschmann, C. (Karlsruhe Univ. (Germany, F.R.). Botanisches Inst.) | Nagel, E. | Rang, S. | Stober, F.

fernerkundung biometria baden-wuerttemberg chlorophylle chlorophylls absorptionsspektrum 161.1 161.32 viraf-spektrometer 181.45 160 arboles forestales ...
ZB MED Nutrition. Environment. Agriculture - Germany
Photosynthetic activity, chlorophyll-fluorescence parameters and pigment content of differently damaged Norway spruces at the Schoellkopf (Northern Black Forest)

1990

Lichtenthaler, H.K. (Karlsruhe Univ. (Germany, F.R.). Botanisches Inst.) | Rinderle, U. | Burkart, S. | Hak, R.

facteur nuisible fluoreszenz schadstoffbelastung photosynthese baden-wuerttemberg chlorophylle 161.32 pigmente 181.45 160.24 425.1 174.7 picea abies ...
ZB MED Nutrition. Environment. Agriculture - Germany