Fig. 1From: Sieving alive or after fixation: effects of sieving procedure on macrobenthic diversity, density and community structureSampling strategies. a Replicated random sampling at one location (AM, N1 and OG). b Replicated random sampling at a series of locations (N2). c Unreplicated sampling at a series of sites (ES). Filled circles sample to be sieved after fixation, empty circles sample to be sieved aliveBack to article page