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The application of systematic sampling to a study of infauna variation in a soft substrate environment
Scherba, S.; Gallucci, V.F. (1976). The application of systematic sampling to a study of infauna variation in a soft substrate environment. Fish. Bull. 74(4): 937-948
In: Fishery Bulletin. US Government Printing Office: Washington, D.C.. ISSN 0090-0656, more
Peer reviewed article  

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    Geographical distribution; Intertidal environment; Population characteristics; Sampling; Seasonal variations; Sediment texture; Substrate preferences; Temporal variations; Mollusca [WoRMS]; Polychaeta [WoRMS]; Brackish water

Authors  Top 
  • Scherba, S.
  • Gallucci, V.F.

    Stratified systematic sampling was applied to an intertidal macrofauna sediment study. The field data demonstrated the effectiveness of stratified systematic sampling for quantifying both sediment and population characteristics along a sediment gradient, and for the testing of biological hypotheses. Intra-area, inter-area, and inter-season hypotheses about sediment composition were tested in terms of particle size distributions. Populations of bivalves and polychaetes were simultaneously sampled and hypotheses concerning spatial and seasonal variations in an intertidal mud flat were tested. Experimental results using stratified systematic sampling suggest that Newell's hypothesis can be extended to encompass temporal variation. Fine sediment grades may act to insulate infauna against the extremes of seasonal stresses. Sediment composition, as measured by the average percentage composition by weight of various grain sizes, was not sufficient to predict macrofaunal presence.

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