Do scrapers increase downstream? Patterns in southeastern Australian streams IC Campbell, S Sterling Journal of Aquatic Sciences · Volume 21, Issue 1 (2006) DOI: 10.4314/jas.v21i1.20059 Abstract No abstract Article information Published13 November 2006 Languageen PublisherAfrican Journals Online (AJOL) LicenseNo license URL DOI10.4314/jas.v21i1.20059 Journal ISSN0189-8779