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    Effects of Ozone, Acid Mist and Soil Characteristics on Clonal Norway Spruce (Picea abies (L.) Karst.) - Overall Results and Conclusions of the Joint 14 Months Tree Exposure Experiment in Closed Chambers.
        
        Environ. Pollut. 64, 385-395 (1990)
    
    
    
				This paper summarizes and evaluates the main findings of 14 preceding papers related to the joint 14-month tree-exposure experiment carried out by the ‘Munich Working Party on Air Pollution’ at the GSF, Munich, FRG, from July 1986 to September 1987. The experiment tested the hypothesis that an interaction of ozone/acid mist/soil/extreme climatic conditions is the cause of decline of Norway spruce (Picea abies (L.) Karst.) at higher altitudes of the Inner Bavarian Forest. The main findings of the individual studies are presented and their implications for the hypothesis are discussed.
	Clear effects of soil and genetic factors (differences between clones), for example on growth and frost resistance were found. Treatment with O3/acid mist was shown to have effects on plant biochemistry, physiology, histology/ cytology, and growth. The wide scattering of these effects, and the lack of a consistent pattern of response across all clones does not permits a firm conclusion on the validity of the experimental hypothesis. These effects were not confounded by the nutrient stresses imposed during the initial exposure period and were not found to be cumulative during repeated treatments, as was proposed by the hypothesis. It is concluded that the experimental evidence does not indicate that ozone/acid mist are major factors to explain the Norway spruce decline on acidic sites at higher altitudes of the Inner Bavarian Forest and probably similar forest areas.
			
			
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        Publikationstyp
        Artikel: Journalartikel
    
 
    
        Dokumenttyp
        Wissenschaftlicher Artikel
    
 
     
    
     
     
    
    
        Sprache
        englisch
    
 
    
        Veröffentlichungsjahr
        1990
    
 
     
    
        HGF-Berichtsjahr
        0
    
 
    
    
        ISSN (print) / ISBN
        0269-7491
    
 
    
        e-ISSN
        1873-6424
    
 
     
     
     
	     
	 
	 
    
        Zeitschrift
        Environmental Pollution
    
 
		
    
        Quellenangaben
        
	    Band: 64,  
	    Heft: 3-4,  
	    Seiten: 385-395 
	    
	    
	
    
 
  
         
        
            Verlag
            Elsevier
        
 
         
	
         
         
         
         
         
	
         
         
         
    
         
         
         
         
         
         
         
    
        Begutachtungsstatus
        Peer reviewed
    
 
    
        Institut(e)
        Institute of Biochemical Plant Pathology (BIOP)
    
 
     
     
     
     
     	
    
    
        Erfassungsdatum
        1990-12-31