| Pages liminaires 
                  
                    
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              | Préface: Editorial 
                  
                    
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              | Article: Trends of vegetation change in colline and submontane climax forests in Switzerland 
                  
                    
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              | Article: Responses od 21 wetland species to shortages of light, nitrogen and phosphorus 
                  
                    
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                 | 13 | 
            
              | Article: Spatially specific simulation of the long-term development of a subalpine pasture in the Swiss National Park 
                  
                    
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                 | 27 | 
            
              | Article: Effects of light and nutrient supply on the growth and competitive ability of five Carex species 
                  
                    
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              | Article: Shifts in abundance of fen-meadow species along a nutrient gradient in a field experiment 
                  
                    
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                 | 57 | 
            
              | Article: Research Project : life-history and genetic variation of native vs. introduced populations of the perennial Solidago gigantea Ait. (Asteraceae) 
                  
                    
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                 | 73 | 
            
              | Article: Research Project : ecology of transgenic crop plants expressing insecticidal Bt δ-endotoxins : effects on trophic interactions and biodiversity of insect pollinators, non-target herbivores and natural enemies 
                  
                    
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                 | 79 | 
            
              | Article: Research Project : transgene flow from crops to wild plants, consequences for associated insects and implications for hybrid fitness 
                  
                    
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              | Article: Research Project : development of growth rings in roots of dicotyledonous perennial herbs : experimental analysis of exological factors 
                  
                    
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              | Rubrique: Summaries of diploma and PhD theses (2000) 
                  
                    
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              | Informations des associations: Annual report of the Geobotanical Institute ETH (2000) 
                  
                    
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              | Table des matières 
                  
                    
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