Protocol to request
            
                Measurement of pesticide content from archived leaf material
                
                
            
        
        
            
                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