Rieradevall i Sant, MariaPrat i Fornells, Narcís2012-11-202012-11-2019860210-9352https://hdl.handle.net/2445/32767Drift has recived considerable attention in recent times as a method to collect chironomid pupal exuviae (COFFMAN, 1973; LAVILLE, 1979, 1981) for taxonomie as well as water pollution studies (WILSON, 1977).6 p.application/pdfeng(c) Universitat de Barcelona, 1986Llobregat (Catalunya : Curs d'aigua)Contaminació de l'aiguaDíptersEcologia d'aigua dolçaLlobregat River (Catalonia)Water pollutionDipteraFreshwater ecologyinfo:eu-repo/semantics/article0046742012-11-20info:eu-repo/semantics/openAccess