Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAn Effective Method of Diagramming Diurnal Movements of Zooplankton Organisms.AuthorsPennak, Robert W.PublicationEcology, 1943, Vol 24, Issue 3, p405ISSN0012-9658Publication typeArticleDOI10.2307/1930542