Protocol to request
            
                Tree samples of the German Environmental Specimen Bank – standardized time series samples stored at ultra-low temperatures
                
                
            
        
        
            
                Research Article
            
            
                Environmental DNA from archived leaves reveals widespread temporal turnover and biotic homogenization in forest arthropod communities
                
            
            
            
                Henrik Krehenwinkel et al.
            
            
                DOI: 10.7554/eLife.78521