Reasons for the shift in dominance between Simulium (N.) vernum and Simulium (S.) ornatum (Diptera: Simuliidae) along the continuum of an unpolluted lowland stream

Archiv fur Hydrobiologie

Volumn 131, Issue 2, 1994, Pages 199-210

  Timm, T ^a  

^a UNIVERSITY OF DUISBURG ESSEN   (Germany)

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EID: 0027974998     PISSN: 00039136     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

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